MOV-20D681K Metal Oxide Varistor Thakor (VCRR)

Product Description

MOV-20D681KMetal Oxide Varistor by Thakor (VCRR)

ProductDescription:

The MOV-20D681K is a Metal Oxide Varistor(MOV) designed to provide protection against transient voltage surges, such asthose caused by lightning, electrical switching, or load changes in powersystems. This device clamps high transient voltages to safe levels, protectingsensitive electronics and electrical components.

Specifications:

1. Varistor Voltage (V): 680V (at 1mA DC)
2. Maximum Voltage:
• AC: 560V
• DC: 745V
3. Clamping Voltage: 1120V (at 50A surge current)
4. Maximum Energy: 280 Joules
5. Peak Surge Current: 6,500A (8/20µs waveform)
6. Diameter: 20mm
7. Response Time: < 25ns
8. Operating Temperature: -40C to +85C
9. Mounting: Radial leads for PCB mounting

Uses:

• Surge Protection: Widely used in surge suppressors, power strips, and electronic devices for transient voltage suppression.
• Power Supply Circuits: To protect switching power supplies from surges.
• Telecommunication Systems: Protects equipment like modems, routers, and PBX systems.
• Industrial Applications: Safeguards motors, relays, and control circuits.
• Consumer Electronics: Used in TVs, refrigerators, air conditioners, and washing machines for transient overvoltage protection.

Details andBenefits:

1. Reliable Performance: The MOV-20D681K provides consistent and reliable protection for a wide range of voltages.
2. Fast Response: Less than 25ns response time ensures quick suppression of transient voltages.
3. High Surge Capacity: Capable of handling surges up to 6,500A, making it ideal for heavy-duty applications.
4. Compact Design: 20mm diameter makes it suitable for PCB mounting in confined spaces.
5. Long Lifespan: Designed to endure multiple surge events, ensuring extended protection for devices.
6. Thermal Stability: Operates efficiently under a wide temperature range.

Equal Brandwith Part Numbers:

1. Littelfuse:
• Part Number: V20E680P
2. EPCOS (TDK):
• Part Number: B72220S0681K101
3. Panasonic:
• Part Number: ERZ-V20D681
4. Vishay:
• Part Number: VDRS20P680BSE
5. Bourns:
• Part Number: MOV-20D681K

These equivalents are functionally similar andcan be used as direct replacements for the MOV-20D681K in most applications.

AdditionalNotes:

• Ensure that the replacement MOV meets the specific requirements of your circuit design, such as varistor voltage, clamping voltage, and surge current rating.
• The MOV should be installed in compliance with electrical safety standards, with proper fusing for enhanced circuit protection.