MOV-7D621K Metal Oxide Varistor Thakor (VCRR)

Product Description

The MOV-7D621K is a Metal Oxide Varistor (MOV)commonly used in electronic circuits for surge and transient voltageprotection. Below is a detailed product and service description, including itsuses, technical details, and benefits:

Product/ServiceDescription: MOV-7D621K Metal Oxide Varistor

Uses:

1. Surge Protection:
• Protects sensitive electronic devices and circuits from voltage spikes and surges caused by lightning, switching, or electrical disturbances.
• Commonly used in power supplies, industrial controls, telecom equipment, and household appliances.
2. Transient Voltage Suppression:
• Absorbs transient energy to safeguard semiconductors and other circuit components.
3. Circuit Protection:
• Used in motor controllers, relay circuits, and power distribution systems to prevent voltage damage.

TechnicalDetails:

1. Model: MOV-7D621K
2. Maximum Voltage:
• Nominal Voltage (AC): 385V AC
• Nominal Voltage (DC): 505V DC
3. Clamping Voltage:
• Maximum clamping voltage is approximately 1025V (measured at 10A).
4. Energy Handling:
• Energy absorption capability: 70 Joules at 10/1000µs waveform.
5. Response Time:
• Extremely fast response time (nanoseconds) for transient voltage suppression.
6. Body Diameter:
• 7mm (compact size ideal for space-constrained applications).
7. Leakage Current:
• Typically low leakage current (under normal operating voltage).
8. Operating Temperature:
• Wide range: -40C to +85C.

Benefits:

1. High Surge Energy Absorption:
• Offers reliable protection for high-energy transients.
2. Compact Design:
• 7mm size allows it to fit into small circuits while providing robust protection.
3. Wide Voltage Range:
• Suitable for a variety of AC and DC applications across different voltage ranges.
4. Durability:
• Can withstand repetitive surges without significant degradation.
5. Fast Response:
• Protects circuits instantly, minimizing the risk of damage to sensitive components.
6. Versatile Applications:
• Ideal for industrial, commercial, and consumer electronics.

Applications:

1. Consumer Electronics:
• TVs, computers, chargers, and home appliances.
2. Industrial Systems:
• Motor controls, HVAC systems, and manufacturing equipment.
3. Power Systems:
• Circuit breakers, power distribution boards, and uninterruptible power supplies (UPS).
4. Telecom Equipment:
• Modems, routers, and base stations.
5. Automotive Electronics:
• Protection for onboard electronics and charging systems.

For further details, including installationand selection guidelines, the MOV-7D621K datasheet should be consulted toensure compatibility with your specific application.