Diode House

MOV-7D561K Metal Oxide Varistor – Thakor (VCRR)

The MOV-7D561K Metal Oxide Varistor is a high-performance overvoltage protection component designed for reliable surge suppression and EMI/RFI noise mitigation. Manufactured by Thakor (VCRR), this MOV safeguards sensitive electronic devices by clamping transient voltage spikes to a safe level, ensuring device longevity and operational stability. Its compact radial-lead through-hole design makes it suitable for tight PCB layouts and industrial-grade applications.

Uses & Applications:

• Overvoltage Protection: Shields electronics from lightning, power surges, and switching transients.
• Surge Suppression: Ideal for power supplies, industrial controls, telecommunication equipment, and home appliances.
• EMI/RFI Noise Reduction: Minimizes electromagnetic interference and signal disturbances in sensitive circuits.
• Consumer Appliances Safety: Protects motors, relays, and electronic boards in air conditioners, refrigerators, washing machines, and similar devices.
• Industrial Automation: Ensures stable machinery operation in environments prone to electrical noise.
• Telecommunication Systems: Safeguards communication lines from lightning strikes and power anomalies.

Key Features:

• High Surge Current Handling: Withstands repeated high-energy transient surges without performance degradation.
• Wide Voltage Range: Clamping voltage ~560V for efficient operation across multiple voltage levels.
• Quick Response Time: Reacts in nanoseconds to transient overvoltages, minimizing circuit damage.
• Compact & Durable Design: Suitable for space-constrained applications and harsh operating environments.

Technical Specifications:

• Component Type: Metal Oxide Varistor (MOV)
• Model: 7D561K
• Voltage Rating: 560V
• Maximum Voltage AC: ~350V
• Maximum Voltage DC: ~460V
• Clamping Voltage: ~560V
• Energy Absorption: Rated for transient energy absorption in joules
• Peak Current Handling: Up to several hundred amperes (depending on waveform)
• Operating Temperature: -40°C to +85°C
• Mounting Style: Radial-lead through-hole
• Material: Metal Oxide

Benefits:

• Enhanced Equipment Lifespan: Protects devices from voltage spikes, reducing wear and tear.
• Cost-Effective Protection: Minimizes repair/replacement costs caused by transient voltages.
• Versatile Integration: Compatible with a wide range of devices and systems.
• Safety Compliance: Meets international surge protection standards.

Common Usage Examples:

• Power strips and surge protectors
• Consumer electronics: TVs, microwaves, gaming systems
• Industrial automation equipment
• Telecommunication lines and devices

DIODE HOUSE – Stockists & Distributors:
Diode House is India’s most popular distributor of industrial electronic components, offering genuine, brand-certified components like Thakor MOVs across India.

Alternate Brands / Equivalent Part Numbers:

• Panasonic: ERZV14D561
• Littelfuse: V14ZA561K
• Bourns: MOV-14D561K
• TDK: S14K561
• EPCOS (TDK): B72214S0561K101 

MOV-7D621K Metal Oxide Varistor – High Surge Protection Device

The MOV-7D621K Metal Oxide Varistor is a high-performance surge protection component designed to protect electronic circuits from voltage spikes, surges, and transient events. It is widely used in industrial, commercial, and consumer electronics to ensure the longevity and reliability of sensitive equipment.

Uses & Applications:

• Surge Protection: Protects power supplies, industrial controllers, and household appliances from lightning strikes, switching transients, and other voltage spikes.
• Transient Voltage Suppression: Absorbs transient energy to safeguard semiconductors and critical electronic components.
• Circuit Protection: Ideal for motor controllers, relay circuits, power distribution boards, and UPS systems.
• Consumer Electronics: TVs, computers, chargers, and home appliances.
• Industrial Systems: HVAC systems, manufacturing equipment, and motor control circuits.
• Telecom Equipment: Routers, modems, and base stations.
• Automotive Electronics: Protects onboard electronics and battery charging systems.

Technical Details / Specifications:

• Model: MOV-7D621K
• Nominal Voltage (AC): 385V AC
• Nominal Voltage (DC): 505V DC
• Maximum Clamping Voltage: 1025V at 10A
• Energy Handling: 70 Joules (10/1000µs waveform)
• Response Time: Nanoseconds (extremely fast)
• Body Diameter: 7mm (compact, space-saving design)
• Leakage Current: Low under normal operating voltage
• Operating Temperature: -40°C to +85°C

Key Benefits:

• High Surge Energy Absorption: Protects against high-energy transients reliably.
• Compact Design: Fits in space-constrained circuits while maintaining robust protection.
• Wide Voltage Range: Suitable for both AC and DC applications.
• Durable & Reliable: Withstands repetitive surges without significant degradation.
• Fast Response: Immediate circuit protection to prevent damage.
• Versatile Applications: Suitable for industrial, commercial, and consumer electronics.

Stockist / Distributor:

• Diode House – Leading distributor of industrial electronics components across India.
• Trusted supplier for Microchip, TDK, ST, TI, ON, NXP, AD, ROHM, TOSHIBA, SAMSUNG, VISHAY, MURATA, CDIL, and more.
• Supplies genuine, brand-certified components for all industrial electronics requirements.

Alternate Names / Keywords for Searching:
MOV7D621K, Metal Oxide Varistor 7mm, Surge Protection Varistor, Transient Voltage Suppressor, VCRR 7D621K, MOV 7D621K 385V AC, Industrial MOV, Electronic Circuit Protector

Equivalent Brands / Part Numbers:

• Littelfuse: V20ZA21P
• Panasonic: ERZV07D621K
• Bourns: MOV-07D621K

MOV 7D511K Metal Oxide Varistor Surge Protector

The MOV-7D511K is a premium Metal Oxide Varistor (MOV) from Thakor (VCRR), engineered to provide high-performance surge protection for sensitive electronic circuits. Designed to absorb voltage spikes, transient surges, and lightning strikes, this varistor ensures reliable protection for industrial, telecommunication, and household electronic devices. Its fast response and durable construction make it ideal for critical applications where electronic safety is paramount.

Key Features & Specifications:

• Type: Metal Oxide Varistor (MOV)
• Model / Part Number: MOV-7D511K
• Rated AC Voltage: 510V
• Clamping Voltage: 850V (typical)
• Maximum Energy Absorption: 7 Joules
• Response Time: Nanoseconds
• Operating Temperature: -40°C to +85°C
• Mounting Type: Through-hole / PCB mounting
• Compliance: RoHS & CE certified
• Dimensions: Standard 7mm disk diameter

Applications / Uses:

• Surge protection in industrial electronic devices
• Power supply and transformer protection
• Telecommunication equipment safety
• Household appliances (ACs, refrigerators, TVs, microwaves)
• LED drivers, lighting circuits, and electronic control boards

Benefits:

• Protects sensitive components from damaging voltage spikes
• High energy absorption ensures long-lasting protection
• Fast response to sudden transient surges
• Compact design suitable for PCB integration
• Reliable performance under high-energy conditions

Distributor Information:
DIODE HOUSE is a trusted distributor of industrial electronic components across India. We stock and supply MOV-7D511K in bulk for manufacturers, wholesalers, and retailers nationwide. DIODE HOUSE is recognized as one of the most popular distributors for industrial electronic components across India.

Equivalent Brands / Part Numbers:

• Thakor MOV-7D511K (Original)
• Vishay VDR07D511K
• Panasonic ERZ-V07D511K

Alternate Names / Keywords for Searching:
MOV-7D511K, Metal Oxide Varistor 510V, Thakor MOV7D511K, MOV Surge Protector, VCRR MOV, MOV 7D511K 7J, PCB MOV 510V

MOV-7D431K Metal Oxide Varistor

The MOV-7D431K Metal Oxide Varistor (MOV) from Thakor (VCRR) is a high-performance overvoltage protection device designed to safeguard electrical and electronic equipment from transient voltage spikes, power surges, lightning strikes, and electrostatic discharge (ESD). Compact, reliable, and highly durable, this MOV ensures circuit stability and extends the service life of sensitive devices.

Uses / Applications:

• Overvoltage Protection: Absorbs excess voltage to protect sensitive circuits.
• Surge Suppression: Prevents damage from sudden voltage spikes.
• ESD Protection: Shields circuits from electrostatic discharge.
• Circuit Stability: Maintains stable voltage levels during transient events.
• Industrial Applications: Power supplies, home appliances, automotive electronics, industrial machinery.

Technical Details / Specifications:

• Component Type: Metal Oxide Varistor (MOV)
• Model: MOV-7D431K
• Voltage Rating: Maximum continuous operating voltage ~275V AC
• Clamping Voltage: ~430V
• Energy Absorption: High transient energy dissipation capacity
• Size: 7mm disk diameter (compact design)
• Response Time: Nanoseconds
• Operating Temperature Range: Wide temperature range for reliable operation
• Mounting Type: Through-hole / PCB compatible

Key Benefits:

• Cost-Effective Protection: Inexpensive yet robust solution for electronics safety.
• Compact Design: Fits in space-constrained applications.
• Durable & Reliable: Long operating life with high reliability.
• Easy Installation: Simple integration into existing circuits.
• Device Longevity: Protects equipment from electrical stress and extends service life.

Equivalent Brands / Part Numbers:

• EPCOS / TDK: B72207S431K101
• Littelfuse: V07E275P
• Panasonic: ERZ-V07D431
• Vishay: V07H430P
• Bourns: MOV-07D431K

Alternate Names / Keywords for Searching: MOV 7D431K, 7mm MOV, Thakor MOV, Metal Oxide Varistor 275V AC, MOV-7D431K Equivalent

Distributor / Stockist:
DIODE HOUSE – Most popular distributors of industrial electronic components across India. We provide genuine, brand-certified components from industry leaders including:
TDK | MAXIM | ST | TI | ON | NXP | AD | ROHM | TOSHIBA | SAMSUNG | VISHAY | MURATA | CDIL | and more. 

MOV-14D821K – Thakor (VCRR) 14mm Metal Oxide Varistor (MOV)

Diode House – India’s Trusted Distributor of Industrial Electronic Components

The Thakor (VCRR) MOV-14D821K is a 14mm Metal Oxide Varistor (MOV) designed for industrial and commercial AC mains surge protection. With a 820VAC varistor voltage, this MOV protects sensitive electronics from voltage spikes, switching surges, and lightning transients.

✅ Product Description

The MOV-14D821K is ideal for high-voltage AC circuits and provides fast and reliable surge suppression. Its 14mm disc size ensures robust PCB mounting, making it suitable for industrial, commercial, and consumer electronics requiring high-performance surge protection.

📌 Applications / Uses

• AC mains surge protection (up to 820VAC)
• Industrial and commercial power supplies
• LED drivers & high-power lighting circuits
• Stabilizers, UPS, and inverters
• Motor drives and automation equipment
• Energy meters, distribution boards, and MCC panels
• Solar inverters & charge controllers
• Electronics requiring reliable surge suppression

⭐ Key Benefits

• High peak surge current capability (typical for 14D series)
• Strong energy absorption for repeated surges
• Wide operating temperature range: –40°C to +105°C
• Stable varistor voltage characteristics
• Compact 14mm disc suitable for PCB mounting
• Genuine Thakor (VCRR) quality – trusted in India

📦 Technical Specifications (Typical for 14D821K)

🔍 Alternate Names / Keywords

• 14D821K MOV
• Thakor 14D821K
• VCRR MOV 14mm
• 820V Metal Oxide Varistor
• AC mains surge protector
• High-voltage industrial MOV

📘 Popular 14D Series Part Numbers

14D101K, 14D121K, 14D151K, 14D181K, 14D201K, 14D221K, 14D241K, 14D271K,
14D301K, 14D331K, 14D361K, 14D391K, 14D431K, 14D471K, 14D511K, 14D561K, 14D621K, 14D681K, 14D751K, 14D821K

MOV-14D621K Metal Oxide Varistor – Thakor (VCRR) 14mm MOV for High-Voltage Surge Protection

Diode House – India’s Most Popular Distributor for Industrial Electronic Components

The Thakor (VCRR) MOV-14D621K is a high-performance 14mm Metal Oxide Varistor (MOV) designed for rugged surge suppression in industrial and commercial electronic systems. With its 620VAC varistor rating class and stable clamping behavior, this MOV provides strong and reliable protection against lightning surges, switching surges, and transient voltage spikes.

✅ Product Description

The Thakor 14D621K MOV protects sensitive electronic equipment connected to AC lines and high-voltage circuits.
Its 14mm disc size offers a balance of strong surge endurance and compact PCB mounting.

This varistor is ideal for industrial-grade equipment where high-voltage surge suppression is required.

📌 Applications / Uses

• AC mains surge suppression (high-voltage line protection)
• LED drivers, SMPS & power supply protection
• Stabilizers, UPS & Inverters
• Industrial control panels & MCC panels
• Energy meters & distribution boards
• Solar inverters & charge controllers
• Motors, drives, automation equipment

⭐ Key Benefits

• Strong surge absorption performance
• Reliable clamping behavior under high-voltage spikes
• Consistent performance for long-term industrial applications
• 14mm disc provides excellent balance of size & protection strength
• Suitable for high-voltage AC mains equipment
• High-quality Thakor (VCRR) component – trusted in Indian EMS industries

📦 Technical Specifications

(Typical values – standard for 14D621K category)

🔍 Alternate Names

• 14D621K MOV
• MOV 14D621K
• Varistor 621K
• Thakor MOV
• VCRR MOV 14D
• 621V varistor
• High voltage surge protection varistor
• Metal Oxide Varistor 14mm
• 14D Series MOV

📘 Related 14D Series Part Numbers

14D201K, 14D221K, 14D241K, 14D271K, 14D301K, 14D331K, 14D361K, 14D391K,
14D431K, 14D471K, 14D511K, 14D561K, 14D621K, 14D681K, 14D751K

The MOV-20D621K Metal Oxide Varistor by Thakor (VCRR) is a high-performance surge protection component designed to safeguard electronic circuits from voltage spikes, lightning surges, switching transients, and electrical noise.
This 20mm radial varistor provides stable clamping characteristics, fast response time, and reliable performance in industrial electronic systems.

A Metal Oxide Varistor (MOV) is widely used in AC line protection and DC supply protection due to its ability to absorb high transient energy and clamp excessive voltages instantly.

Key Features & Benefits

• High Surge Handling Capability
• Fast Response Time (<25 ns)
• Excellent Clamping Characteristics
• Long-Life, High-Reliability Component
• Wide Operating Temperature Range
• Ideal for Industrial & Consumer Electronics
• Suitable for High-Voltage Line Protection
• Stable Performance in Harsh Conditions

Typical Applications (Uses)

• AC Mains Surge Protection
• SMPS Power Supplies
• LED Drivers & Lighting Equipment
• Inverters & UPS Systems
• Stabilizers & Energy Meters
• Solar Charge Controllers
• Industrial Control Panels
• Motor Drives & Automation Systems
• Home Appliances Protection Circuits

Technical Specifications – MOV-20D621K

(Specs match standard 20D series 621K MOV category.)

Alternate Names

• 20D621K MOV
• 620V Varistor
• High Voltage MOV 20mm
• Thakor MOV 20D Series
• VCRR Metal Oxide Varistor
• Surge Protection Varistor
• MOV-621K 20mm
• 20D621K Surge Protector

Complete Series Part Numbers (20D Series – 10% Tolerance)

You can add all these part numbers as keywords for IndiaMART search ranking:

20D Series:
20D05K, 20D07K, 20D10K, 20D14K, 20D18K, 20D20K, 20D22K, 20D27K,
20D33K, 20D39K, 20D47K, 20D56K, 20D62K, 20D68K, 20D75K,
20D82K, 20D91K, 20D101K, 20D121K, 20D151K, 20D181K, 20D201K,
20D241K, 20D271K, 20D301K, 20D331K, 20D361K, 20D391K,
20D431K, 20D471K, 20D511K, 20D561K, 20D621K, 20D681K,
20D751K, 20D821K, 20D911K, 20D102K, 20D112K, 20D122K, 20D142K.

MOV-14D511K Metal Oxide Varistor Thakor (VCRR)

The MOV-14D511K is a high-performance Metal Oxide Varistor (MOV) designed for transient voltage suppression and surge protection in electrical and electronic circuits. It provides excellent protection against voltage spikes, lightning strikes, and switching transients, ensuring the longevity and reliability of sensitive electronic devices. Manufactured with superior Thakor VCRR technology, this varistor delivers consistent performance under high-stress conditions.

Key Specifications:

• Model/Part Number: MOV-14D511K
• Type: Metal Oxide Varistor (MOV)
• Maximum Continuous Operating Voltage (Vdc): 390 V
• Varistor Voltage (V): 510 V
• Energy Absorption (J): 10 Joules (typical)
• Peak Current (Imax): 600 A
• Response Time: < 25 ns
• Temperature Coefficient: ±5%
• Operating Temperature Range: -40°C to +85°C
• Standards Compliance: IEC 61051, RoHS Compliant
• Package/Case: Radial Leaded Disc

Uses / Applications:

1. Surge protection in AC and DC circuits.
2. Voltage spike suppression in industrial machinery.
3. Lightning and transient protection in power supplies.
4. Protection for consumer electronics and home appliances.
5. Electrical panel and lighting surge safeguard.

Benefits:

• High energy absorption and surge resistance.
• Fast response time to protect sensitive electronics.
• Reliable performance in industrial and consumer applications.
• Compact and durable radial leaded design for easy PCB mounting.
• RoHS-compliant, environmentally safe.

Stockiest & Distributors:
Available with Diode House, one of the most trusted distributors of industrial electronics components across India. We stock all series of MOVs including 14D series, ensuring authentic and branded components.

Alternate Names / Keywords for Searching:

• MOV 14D511K
• Thakor VCRR 14D511K
• Metal Oxide Varistor 510V
• MOV 14D series
• Surge Suppressor 14D511K
• Overvoltage Protection Device

Equivalent Brands / Part Numbers:

• Thakor MOV-14D511K
• TDK MOV-14D511K
• Vishay MOV-14D511K 

MOV-14D431K Metal Oxide Varistor from Thakor (VCRR) is a high-performance radial disc varistor designed for reliable protection against voltage surges, spikes, and transient overvoltage conditions. This component ensures long life, stable performance, and excellent response time, making it suitable for a wide range of industrial and electronic applications.

Diode House is one of the most trusted and popular distributors across India, offering only genuine, high-quality VCRR varistors with ready stock and fast delivery.

Key Features & Benefits:

• ✔ Highly Reliable Surge Protection
• ✔ Fast Response Time (<25ns)
• ✔ Wide Operating Voltage Range
• ✔ Strong Energy Absorption Capability
• ✔ Compact Radial Lead Design (14mm Disc)
• ✔ Flame-Retardant Epoxy Coating
• ✔ Stable Performance Under Repetitive Surges
• ✔ Perfect for EMI/RFI suppression

Technical Specifications (Best & Detailed):

Applications:

• SMPS Power Supplies
• LED Drivers
• Home Appliances
• Stabilizers
• Inverters & UPS
• Industrial Control Panels
• Energy Meters
• Power Distribution Boards
• Lighting Systems
• Water Purifier, Motors, Pumps

Why Buy From Diode House?

DIODE HOUSE is one of the most popular & trusted distributors across India

• ✔ 100% Genuine & Brand-Certified Components
• ✔ Ready Stock of Thakor (VCRR) Varistors
• ✔ Best Price + Bulk Quantity Support
• ✔ Fast Delivery All Over India
• ✔ Technical Support Available

Alternate Names:

• 14D431K Varistor
• 431K MOV
• VCRR 14D Series Varistor
• Thakor MOV 431K
• Metal Oxide Varistor 14D431
• Surge Protector Varistor 431K
• Overvoltage Protection MOV

Below are all popular 14D varistor part numbers for easy customer search:

• MOV-14D180K
• MOV-14D220K
• MOV-14D330K
• MOV-14D390K
• MOV-14D431K
• MOV-14D471K
• MOV-14D511K
• MOV-14D561K
• MOV-14D621K
• MOV-14D681K
• MOV-14D751K
• MOV-14D821K
• MOV-14D911K
• MOV-14D102K

MOV-14D751K – Thakor (VCRR) 14mm Metal Oxide Varistor (MOV)

Diode House – India’s Trusted Distributor of Industrial Electronic Components

The Thakor (VCRR) MOV-14D751K is a 14mm Metal Oxide Varistor (MOV) designed for high-voltage AC mains surge protection. With a 750VAC varistor voltage, this MOV safeguards sensitive electronics from lightning surges, switching transients, and overvoltage conditions.

✅ Product Description

The MOV-14D751K is suitable for industrial and commercial high-voltage AC circuits, providing fast and reliable surge suppression. Its compact 14mm disc design allows easy PCB mounting while delivering robust protection against repeated surges.

📌 Applications / Uses

• AC mains surge protection (up to 750VAC)
• Industrial power supplies and SMPS
• LED drivers & high-power lighting circuits
• Stabilizers, UPS, and inverters
• Motor drives and automation equipment
• Energy meters, distribution boards, and industrial panels
• Solar inverters & charge controllers
• Semiconductor switching protection (Transistors, MOSFETs, Thyristors)

⭐ Key Benefits

• High peak surge current capability (typical for 14D series)
• Strong energy absorption for repeated surges
• Wide operating temperature: –40°C to +105°C
• Compact 14mm disc suitable for PCB mounting
• Stable varistor voltage for reliable protection
• Genuine Thakor (VCRR) quality – trusted in India

📦 Technical Specifications (Typical for 14D751K)

🔍 Alternate Names / Keywords

• 14D751K MOV
• Thakor 14D751K
• VCRR MOV 14mm
• 750V Metal Oxide Varistor
• AC mains surge protector
• High-voltage industrial MOV

📘 Popular 14D Series Part Numbers (SEO / IndiaMART)

14D101K, 14D121K, 14D151K, 14D181K, 14D201K, 14D221K, 14D241K, 14D271K,
14D301K, 14D331K, 14D361K, 14D391K, 14D431K, 14D471K, 14D511K, 14D561K, 14D621K, 14D681K, 14D751K, 14D821K

MOV-20D431K – Thakor (VCRR) 20mm Metal Oxide Varistor (MOV)

Diode House – India’s Trusted Distributor of Industrial Electronic Components

The Thakor (VCRR) MOV-20D431K is a high-power 20mm Metal Oxide Varistor (MOV) designed for industrial AC mains surge protection. With a 430VAC varistor voltage, high peak surge capability, and excellent energy absorption, it safeguards sensitive electronics from voltage spikes, lightning surges, and switching transients.

✅ Product Description

The MOV-20D431K is suitable for heavy-duty AC mains circuits in industrial, commercial, and high-power applications. Its 20mm disc size allows robust PCB mounting and ensures long-term reliability under repeated surge conditions.

📌 Applications / Uses

• Industrial AC mains surge protection (up to 430VAC)
• Power supplies and SMPS protection
• LED drivers & high-power lighting circuits
• Stabilizers, UPS, and inverters
• Motor drives and industrial automation equipment
• Energy meters, distribution boards, and MCC panels
• Solar inverters & charge controllers
• Commercial electronics requiring high surge endurance

⭐ Key Benefits

• High peak surge current capability (typical for 20D series)
• Strong energy absorption for repeated surges
• Wide operating temperature range: –40°C to +105°C
• Stable and reliable varistor voltage characteristics
• Robust 20mm disc size for heavy-duty PCB mounting
• Genuine Thakor (VCRR) quality – trusted in Indian electronics

📦 Technical Specifications (Typical for 20D431K)

🔍 Alternate Names / Keywords

• 20D431K MOV
• Thakor 20D431K
• VCRR MOV 20mm
• 430V Metal Oxide Varistor
• AC mains surge protector
• High-power industrial MOV

📘 Popular 20D Series Part Numbers

20D201K, 20D221K, 20D241K, 20D271K, 20D301K, 20D331K, 20D361K, 20D391K,
20D431K, 20D471K, 20D511K, 20D561K, 20D621K, 20D681K, 20D751K

MOV-20D821K – Metal Oxide Varistor – Thakor (VCRR)

High-Performance 20mm MOV for Surge Protection | Featured by Diode House (Stockists & Distributors All Over India)

Product Description

The MOV-20D821K is a 20mm Metal Oxide Varistor designed to provide strong protection against high-energy voltage transients such as lightning surges, switching spikes, power induction faults, and industrial noise.
It delivers excellent clamping characteristics, fast response time, long operational life, and stable performance even under heavy surge conditions.
Ideal for AC mains line protection, industrial electronics, power supplies, SMPS, inverter applications, and consumer appliances.

Key Features & Benefits

• ✔ 20mm Disk Size – high surge capability
• ✔ Rated for 680VAC / 820VDC
• ✔ Fast response time (<25ns)
• ✔ High surge current capability
• ✔ Excellent energy absorption
• ✔ Long-life, reliable construction
• ✔ Ideal for industrial & consumer protection circuits
• ✔ Stable performance in repetitive surge environment
• ✔ Thakor (VCRR) – Trusted Indian brand for MOVs
• ✔ Available in bulk stock at Diode House – Pan India supply

Technical Specifications (Best & Complete)

Applications / Uses

• AC mains line protection
• SMPS & power supplies
• Surge protection in control panels
• Inverters, UPS, stabilizers
• LED drivers, chargers, adapters
• Motor controllers & industrial equipment
• Domestic appliances surge suppression
• Solar controllers & energy meters

Alternate Names / Keywords for Searching

MOV 20D821K
20D821K Varistor
821K 20mm MOV
820V Varistor 20D
Thakor MOV 821K
VCRR MOV 20D Series
High voltage varistor 821K
Surge protection varistor 20mm

Complete Series Part Numbers (20D Series – All Values)

Below are commonly used 20DxxxK varistor part numbers:

• MOV-20D101K
• MOV-20D181K
• MOV-20D201K
• MOV-20D221K
• MOV-20D241K
• MOV-20D271K
• MOV-20D301K
• MOV-20D331K
• MOV-20D361K
• MOV-20D391K
• MOV-20D431K
• MOV-20D471K
• MOV-20D511K
• MOV-20D561K
• MOV-20D621K
• MOV-20D681K
• MOV-20D751K
• MOV-20D821K
• MOV-20D911K
• MOV-20D102K 

MOV-20D561K Metal Oxide Varistor (Thakor - VCRR)

MOV-20D561K Metal Oxide Varistor

Product Description:
MOV-20D561K is a high-performance metal oxide varistor (MOV) designed for surge protection in industrial and electronic applications. It provides reliable clamping of voltage spikes and transient surges, ensuring the safety and longevity of sensitive electronic components. With a disk diameter of 20mm, this varistor offers excellent energy absorption capacity and robust over-voltage protection.

Key Specifications:

• Model: MOV-20D561K
• Technology: Metal Oxide Varistor (MOV)
• Varistor Voltage (V1mA): 560V (Typical)
• Clamping Voltage: ~920V
• Maximum Surge Current (8/20µs): 4500A
• Energy Rating (2ms): 120J
• Disc Size: 20mm
• Tolerance: ±10% (K Type)
• Mounting Style: Radial Leaded
• Operating Temperature Range: -40°C to +85°C
• Brand: Thakor – VCRR

Applications / Uses:

• Surge protection for industrial equipment
• Power supply circuits and SMPS protection
• Consumer electronics
• LED drivers, inverters, stabilizers
• Telecommunication devices
• Automotive electronics

Benefits:

• High surge absorption capacity
• Reliable protection against over-voltage and spikes
• Long operational life and stable performance
• Compact 20mm design for versatile applications

Why Choose Diode House?
Diode House is one of the most popular distributors all over India for industrial electronic components. We are trusted stockists of varistors, capacitors, resistors, semiconductors, and more. Established in 1994, Diode House supplies only genuine, brand-certified components.

Alternate Names / Keywords for Searching:
Varistor 20D561K | MOV 20mm 561K | Surge Absorber 561K | Metal Oxide Varistor 560V | 20D561 Varistor | 20D Series MOV

Equivalent Brands and Part Numbers (Same Series):

• EPCOS (TDK) – B72220S561K101
• Littelfuse – V20E561P
• Bourns – MOV-20D561K
• Panasonic – ERZV20D561
• Siemens – SIOV-S20K561
• Joyin – MOV-20D561K

Other Part Numbers in 20D Series (for searching):
MOV-20D101K | MOV-20D151K | MOV-20D221K | MOV-20D271K | MOV-20D331K | MOV-20D391K | MOV-20D471K | MOV-20D561K | MOV-20D681K | MOV-20D751K | MOV-20D821K | MOV-20D911K | MOV-20D102K 

MOV-20D751K is a high-performance 20mm Metal Oxide Varistor designed to protect electrical and electronic equipment from high-energy surge transients, including lightning strikes, switching surges, and power-line disturbances. Manufactured by Thakor (VCRR), this varistor offers reliable over-voltage suppression for industrial, commercial, and domestic electronic circuits.

It provides excellent clamping characteristics, fast response time, and high surge handling capability, making it ideal for SMPS, LED drivers, inverters, stabilizers, UPS systems, household appliances, control panels, and general AC/DC protection applications.

Featured & Distributed by: DIODE HOUSE — India’s Most Popular Stockist & Distributor for All Industrial Electronic Components.

✅ Uses / Applications

• Surge protection for Power Supplies (SMPS)
• LED Drivers & Lighting Ballasts
• Inverters / UPS / Solar Charge Controllers
• Stabilizers & Servo Controllers
• Motor Controls / Industrial Automation Systems
• Telecommunication Equipment
• Consumer Electronics & Home Appliances
• AC line-to-line / line-to-ground protection (110V / 230V AC)

✅ Key Benefits

• High surge energy absorption
• Fast response to voltage spikes
• High insulation resistance
• Long operational life
• Stable performance under harsh electrical conditions
• Suitable for both AC & DC circuits

✅ Technical Specifications (Best Possible)

✅ Why Buy from Diode House?

• Direct stockist of Thakor (VCRR) MOV series
• 100% genuine, brand-certified components
• Ready stock, best wholesale prices
• All India fastest delivery
• Trusted by 5,000+ industries & OEMs

✅ Alternate Names / Keywords for Searching

• 20D751K Varistor
• MOV 751K 20mm
• Metal Oxide Varistor 751K
• Surge Protection Varistor 20D751
• 751K MOV Thakor
• VCRR MOV 20D Series
• AC Line Protection Varistor
• High Voltage Varistor 750V
• 751K 20mm MOV Overvoltage Protector

✅ All Part Numbers in the 20D Series (Best for Listing Keywords)

20D270K, 20D330K, 20D390K, 20D430K, 20D471K, 20D511K, 20D561K,
20D621K, 20D681K, 20D751K, 20D821K, 20D911K, 20D102K, 20D112K, 20D122K

MOV-20D511K – Thakor (VCRR) 20mm Metal Oxide Varistor (MOV)

Diode House – Trusted Distributor of Industrial Electronic Components Across India

The Thakor (VCRR) MOV-20D511K is a 20mm Metal Oxide Varistor (MOV) designed for AC mains surge protection. With a 510VAC varistor voltage, this MOV safeguards sensitive electronics from voltage spikes, switching transients, and lightning-induced surges.

✅ Product Description

The MOV-20D511K is ideal for industrial and commercial AC circuits requiring reliable surge protection. Its 20mm disc design allows easy PCB mounting, providing robust and repeated surge suppression for high-energy applications.

📌 Applications / Uses

• AC mains surge protection (up to 510VAC)
• Industrial power supplies and SMPS
• LED drivers & high-power lighting circuits
• Stabilizers, UPS, and inverters
• Motor drives and automation equipment
• Energy meters, distribution boards, and industrial panels
• Solar inverters & charge controllers
• Semiconductor switching protection (Transistors, MOSFETs, Thyristors)

⭐ Key Benefits

• High peak surge current capability (typical for 20D series)
• Strong energy absorption for repeated surges
• Wide operating temperature: –40°C to +105°C
• Compact 20mm disc suitable for PCB mounting
• Stable varistor voltage ensures reliable protection
• Genuine Thakor (VCRR) quality – trusted in India

📦 Technical Specifications (Typical for 20D511K)

🔍 Alternate Names / Keywords

• 20D511K MOV
• Thakor 20D511K
• VCRR MOV 20mm
• 510V Metal Oxide Varistor
• AC mains surge protector
• Industrial high-voltage MOV

📘 Popular 20D Series Part Numbers

20D112K, 20D121K, 20D151K, 20D181K, 20D201K, 20D221K, 20D241K, 20D271K,
20D301K, 20D331K, 20D361K, 20D391K, 20D431K, 20D471K, 20D511K, 20D561K, 20D621K, 20D681K

MOV-20D681K – Thakor (VCRR) 20mm Metal Oxide Varistor (MOV)

Diode House – Trusted Distributor of Industrial Electronic Components Across India

The Thakor (VCRR) MOV-20D681K is a 20mm Metal Oxide Varistor (MOV) designed for high-voltage AC mains surge protection. With a 680VAC varistor voltage, this MOV protects sensitive electronic equipment from voltage spikes, switching transients, and lightning-induced surges.

✅ Product Description

The MOV-20D681K is ideal for industrial and commercial high-voltage AC circuits. Its 20mm disc design ensures robust performance and PCB mounting compatibility, providing reliable and repeated surge suppression for industrial-grade applications.

📌 Applications / Uses

• AC mains surge protection (up to 680VAC)
• Industrial power supplies and SMPS
• LED drivers & high-power lighting circuits
• Stabilizers, UPS, and inverters
• Motor drives and automation equipment
• Energy meters, distribution boards, and control panels
• Solar inverters & charge controllers
• Semiconductor switching protection (Transistors, MOSFETs, Thyristors)

⭐ Key Benefits

• High peak surge current capability (typical for 20D series)
• Strong energy absorption for repeated surges
• Wide operating temperature: –40°C to +105°C
• Compact 20mm disc for easy PCB mounting
• Stable varistor voltage ensures reliable protection
• Genuine Thakor (VCRR) quality – trusted in India

📦 Technical Specifications (Typical for 20D681K)

🔍 Alternate Names / Keywords

• 20D681K MOV
• Thakor 20D681K
• VCRR MOV 20mm
• 680V Metal Oxide Varistor
• AC mains surge protector
• Industrial high-voltage MOV

📘 Popular 20D Series Part Numbers

20D112K, 20D121K, 20D151K, 20D181K, 20D201K, 20D221K, 20D241K, 20D271K,
20D301K, 20D331K, 20D361K, 20D391K, 20D431K, 20D471K, 20D511K, 20D561K, 20D621K, 20D681K

MOV-14D561K Metal Oxide Varistor – Thakor (VCRR) is a high-performance electronic protection component designed to safeguard sensitive circuits from voltage spikes, surges, lightning impulses, switching transients, and EMI/RFI disturbances.
It provides stable clamping characteristics, fast response time, and long-life reliability for all industrial and consumer electronics.

This varistor is widely used in power supplies, LED drivers, SMPS, chargers, control panels, stabilizers, home appliances, and industrial automation equipment.

Diode House is among the most popular distributors and stockists across India, offering genuine components with the best quality assurance.

✅ Uses / Applications

• SMPS Power Supplies
• LED Drivers & LED Lighting Systems
• Voltage Stabilizers & Inverters
• AC/DC Power Line Surge Protection
• Motor Control Panels
• Solar Charge Controllers
• UPS Systems & Battery Chargers
• Household Appliances (TV, Refrigerator, Washing Machine, etc.)
• Industrial Electronics & Instruments

✅ Benefits

• Excellent surge suppression capability
• Fast response to transient voltage
• High reliability & long operational life
• Consistent clamping voltage characteristics
• Suitable for both AC & DC lines
• Compact 14mm disc size
• Highly stable under repeated surges
• Low leakage current
• High energy absorption capacity

✅ Key Features

• Brand: Thakor (VCRR)
• Type: Metal Oxide Varistor (MOV)
• Disc Size: 14mm
• Varistor Voltage: 560V (typical)
• High surge endurance
• Radial lead, PCB mount
• RoHS compliant

✅ Technical Specifications – MOV-14D561K

✅ Alternate Names:-

• MOV 14D561K
• 561K Varistor 14mm
• 14D561K MOV
• Metal Oxide Varistor 561K
• Thakor VCRR 14D561
• Surge Protection Varistor 14mm 561V
• High Voltage MOV 561K
• MOV for LED Driver
• MOV for SMPS
• 560V Varistor

Below are all major part numbers in the 14D Varistor Series for easy listing & search optimization:

Thakor (VCRR) 14D Series MOVs

• MOV-14D101K
• MOV-14D151K
• MOV-14D181K
• MOV-14D221K
• MOV-14D271K
• MOV-14D331K
• MOV-14D361K
• MOV-14D391K
• MOV-14D431K
• MOV-14D471K
• MOV-14D511K
• MOV-14D561K (Your main listing)
• MOV-14D621K
• MOV-14D681K
• MOV-14D751K
• MOV-14D821K
• MOV-14D911K
• MOV-14D102K

MOV-14D681K – Thakor (VCRR) 14mm Metal Oxide Varistor (MOV)

Diode House – India’s Trusted Distributor of Industrial Electronic Components

The Thakor (VCRR) MOV-14D681K is a 14mm Metal Oxide Varistor (MOV) designed for industrial and commercial AC mains surge protection. With a 680VAC varistor voltage, this MOV protects sensitive electronics from transient voltage spikes, lightning surges, and switching transients.

✅ Product Description

The MOV-14D681K is ideal for high-voltage AC circuits and provides fast, reliable surge suppression. Its 14mm disc size makes it suitable for PCB mounting in industrial, commercial, and consumer electronics requiring robust protection.

📌 Applications / Uses

• AC mains surge protection (up to 680VAC)
• Industrial and commercial power supplies
• LED drivers & high-power lighting circuits
• Stabilizers, UPS, and inverters
• Motor drives and automation equipment
• Energy meters, distribution boards, and MCC panels
• Solar inverters & charge controllers
• High-voltage electronics requiring reliable surge suppression

⭐ Key Benefits

• High peak surge current capability (typical for 14D series)
• Strong energy absorption for repeated surges
• Wide operating temperature range: –40°C to +105°C
• Stable varistor voltage for reliable protection
• Compact 14mm disc suitable for PCB mounting
• Genuine Thakor (VCRR) quality – trusted in India

📦 Technical Specifications (Typical for 14D681K)

🔍 Alternate Names / Keywords

• 14D681K MOV
• Thakor 14D681K
• VCRR MOV 14mm
• 680V Metal Oxide Varistor
• AC mains surge protector
• High-voltage industrial MOV

📘 Popular 14D Series Part Numbers

14D101K, 14D121K, 14D151K, 14D181K, 14D201K, 14D221K, 14D241K, 14D271K,
14D301K, 14D331K, 14D361K, 14D391K, 14D431K, 14D471K, 14D511K, 14D561K, 14D621K, 14D681K

MOV-20D621K Metal Oxide Varistor by Thakor (VCRR) is a high-performance radial leaded varistor designed for excellent protection against over-voltage transients. This 20 mm varistor offers reliable suppression for surge, lightning spikes, power line disturbances, electrostatic discharge, and switching transients.

It is widely used in industrial, commercial, and consumer electronic equipment. Ideal for AC line protection, SMPS circuits, motor control systems, LED drivers, home appliances, stabilizers, inverters, and various power management applications.

Diode House is one of the most trusted & popular distributors across India, dealing in all types of industrial electronic components. We supply only genuine, brand-certified components with guaranteed quality.

Key Features & Benefits

• High energy absorption capability
• 20 mm radial lead package for robust protection
• Fast response time against voltage surges
• Stable performance & long operating life
• Suitable for both AC and DC protection
• Reliable protection for sensitive electronic circuits
• Widely used in power line & industrial equipment
• Genuine Thakor (VCRR) brand varistor supplied by Diode House

Typical Applications

• Surge protection circuits
• AC mains line protection
• LED driver & SMPS
• Inverters & Stabilizers
• Power supply units
• Motor control systems
• Home appliances
• Solar charge controllers
• Industrial automation equipment

Specifications – MOV-20D621K (20 mm Varistor)

(Values may vary slightly by brand—Thakor/VCRR standard values used.)

Alternate Names / Keywords for Searching

• MOV 20D621K
• 20D621K Varistor
• Metal Oxide Varistor 20D
• Surge Protection Varistor
• High Voltage Varistor 621K
• Thakor Varistor 20D621K
• VCRR Metal Oxide Varistor
• Radial Varistor 620V
• AC Line Protection Varistor

All Part Numbers in 20D Series (For Buyer Search Keywords)

20D Series Common Ratings:

• 20D241K
• 20D271K
• 20D301K
• 20D361K
• 20D391K
• 20D431K
• 20D471K
• 20D511K
• 20D561K
• 20D621K
• 20D681K
• 20D751K
• 20D821K
• 20D911K
• 20D102K

MOV-20D112K – Thakor (VCRR) 20mm Metal Oxide Varistor (MOV)

Diode House – India’s Trusted Distributor of Industrial Electronic Components

The Thakor (VCRR) MOV-20D112K is a 20mm Metal Oxide Varistor (MOV) designed for industrial and commercial AC mains surge protection. With a 110V varistor voltage, this MOV efficiently safeguards sensitive electronic circuits against voltage spikes, switching surges, and lightning transients.

✅ Product Description

The MOV-20D112K is ideal for low-to-medium voltage AC circuits, providing fast and reliable surge suppression. Its 20mm disc size ensures robust PCB mounting and long-term reliability in industrial, commercial, and consumer electronic applications.

📌 Applications / Uses

• AC mains surge protection (up to ~110V AC)
• Power supplies and SMPS protection
• LED drivers & lighting circuits
• Stabilizers, UPS, and inverters
• Motor drives and automation equipment
• Industrial control panels and instrumentation
• Energy meters and distribution boards

⭐ Key Benefits

• High peak surge current capability (typical for 20D series)
• Efficient energy absorption for repeated surges
• Wide operating temperature: –40°C to +105°C
• Robust 20mm disc suitable for PCB mounting
• Stable varistor voltage characteristics for reliable protection
• Genuine Thakor (VCRR) quality

📦 Technical Specifications (Typical for 20D112K)

🔍 Alternate Names / Keywords

• 20D112K MOV
• Thakor 20D112K
• VCRR MOV 20mm
• 110V Metal Oxide Varistor
• AC surge protection MOV
• Industrial and commercial MOV

📘 Popular 20D Series Part Numbers

20D201K, 20D221K, 20D241K, 20D271K, 20D301K, 20D331K, 20D361K, 20D391K,
20D431K, 20D471K, 20D511K, 20D561K, 20D621K, 20D681K, 20D751K