MOV-20D621K Metal Oxide Varistor Thakor

Product Description

ProductDescription: MOV-20D621K Metal Oxide Varistor (Thakor - VCRR)

Overview:

The MOV-20D621K is a high-performance metaloxide varistor (MOV) manufactured by Thakor (VCRR series). It is designed toprovide reliable overvoltage protection in electrical and electronic circuitsby clamping transient voltage surges. This component is commonly used invarious applications, including consumer electronics, industrial equipment, andpower systems, to safeguard sensitive devices against voltage spikes.

KeyFeatures:

1. Voltage Rating:
• Varistor Voltage (VmA): 620V ±10%.
• Maximum Continuous Voltage:
• AC RMS: 385V.
• DC: 505V.
2. Energy Handling:
• High energy absorption capacity, capable of withstanding transient surges up to 170 Joules.
3. Response Time:
• Extremely fast response time, typically less than 25 nanoseconds, ensuring rapid suppression of voltage spikes.
4. Operating Range:
• Wide operating temperature range from -40C to +85C, making it suitable for diverse environments.
5. Package Size:
• Disk diameter: 20mm.
• Compact and easy-to-mount radial lead configuration.
6. Certification:
• UL, VDE, and CSA-approved for safety compliance, ensuring quality and reliability.

Applications:

1. Surge Protection:
• Used in AC power lines, power strips, and surge protectors to prevent damage caused by lightning and power surges.
2. Electronic Circuit Protection:
• Safeguards sensitive components in consumer electronics, industrial machinery, and communication systems.
3. Power Supply Systems:
• Protects transformers, power converters, and inverters from overvoltage conditions.
4. Motor Protection:
• Shields motors in HVAC, pumps, and other industrial equipment from voltage fluctuations.

Benefits:

1. High Reliability:
• Ensures long-term stability and consistent performance under heavy transient conditions.
2. Compact Design:
• Space-saving radial lead package simplifies circuit integration.
3. Cost-Effective Protection:
• Reduces maintenance costs and prevents equipment downtime by mitigating surge damage.
4. Fast Response Time:
• Immediate clamping action minimizes the risk of damage to downstream components.

Equal orEquivalent Parts:

If you're looking for alternative brands orequivalents to the MOV-20D621K, here are some options:

1. Littelfuse:
• Part Number: V20E385P
• Voltage rating and performance closely match the MOV-20D621K.
2. EPCOS (TDK):
• Part Number: B72220S0381K101
• Widely used for similar surge protection applications.
3. Vishay:
• Part Number: V385LA20P
• High-quality alternative for overvoltage suppression.
4. Bourns:
• Part Number: MOV-20D385K
• Suitable for applications requiring robust surge protection.
5. Panasonic:
• Part Number: ERZ-V20D621
• Offers similar specifications and durability.

Conclusion:

The MOV-20D621K by Thakor (VCRR series) is anexcellent choice for protecting electronic systems against voltage transients.With its robust specifications, wide application range, and high reliability,it ensures optimal performance and safety for sensitive equipment. If theThakor brand is unavailable, equivalent parts from Littelfuse, EPCOS, Vishay,Bourns, or Panasonic are reliable alternatives.