SMFJ51A TVS Diode SOD-123 200W | 51V Surge Protection | RUILON

The SMFJ51A 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 51V reverse standoff voltage, it is ideal for low to medium voltage applications that require stable operation and strong overvoltage protection.

Engineered with advanced avalanche technology, the SMFJ51A delivers ultra-fast response time, low leakage current, and precise clamping performance. Its higher voltage rating compared to lower series variants enhances tolerance to normal voltage fluctuations, reducing false triggering while ensuring effective transient suppression.

Housed in a compact SOD-123 surface-mount package, this diode supports space-efficient PCB layouts and high-density designs. It offers excellent thermal performance and maintains consistent protection under repetitive surge conditions. Designed for durability, the SMFJ51A ensures long service life and dependable operation across a wide range of electronic applications.

Key Features:

• 200W peak pulse power dissipation
• 51V reverse standoff voltage
• Fast response time for transient suppression
• Low leakage current and accurate breakdown voltage
• Strong clamping capability
• Compact SOD-123 package
• High reliability and long operational life

Applications:

• Power supply and DC protection circuits
• Consumer electronics and smart devices
• Mobile and portable electronics
• Data line and communication interfaces
• Industrial control and automation systems
• ESD and surge protection modules