SMFJ120A TVS Diode SOD-123 200W | 120V Surge Protection | RUILON

The SMFJ120A TVS Diode from RUILON is a high-reliability 200W transient voltage suppressor designed to protect electronic circuits from voltage spikes, lightning surges, and electrostatic discharge (ESD). With a 120V reverse standoff voltage, it is ideal for medium-voltage applications requiring stable operation and strong overvoltage protection.

Engineered with advanced avalanche technology, the SMFJ120A delivers ultra-fast response time, low leakage current, and precise clamping characteristics. Its higher voltage rating compared to lower series variants improves tolerance to voltage fluctuations, reducing false triggering while ensuring effective transient suppression.

Encased in a compact SOD-123 surface-mount package, this diode supports high-density PCB layouts and space-efficient designs. It offers excellent thermal performance and maintains consistent protection under repetitive surge conditions. Designed for durability, the SMFJ120A ensures long service life and dependable operation across a wide range of electronic applications.

Key Features:

• 200W peak pulse power dissipation
• 120V reverse standoff voltage
• Ultra-fast response time
• Low leakage current and precise breakdown voltage
• Strong clamping performance
• Compact SOD-123 package
• High reliability and long operational life

Applications:

• Power supply and DC protection circuits
• Industrial electronics and automation systems
• Consumer electronics and smart devices
• Data and communication interfaces
• Telecom and networking equipment
• ESD and surge protection solutions