SMAFJ51A TVS Diode SOD-123 200W | 51V Surge Protection | RUILON

The SMAFJ51A TVS Diode from RUILON is a high-reliability 200W transient voltage suppressor designed to protect sensitive electronic circuits from voltage spikes, lightning surges, and electrostatic discharge (ESD). With a 51V reverse standoff voltage, it is suitable for low to medium voltage applications requiring stable operation and strong transient overvoltage protection.

Built with advanced avalanche technology, the SMAFJ51A delivers ultra-fast response time, low leakage current, and precise clamping performance. Its optimized breakdown characteristics ensure reliable suppression of transient events while maintaining normal circuit operation without false triggering.

Encased in a compact SOD-123 surface-mount package, this diode supports high-density PCB layouts and space-efficient designs. It provides excellent thermal performance and consistent surge handling capability, ensuring long service life under repetitive transient stress conditions.

Key Features:

• 200W peak pulse power dissipation
• 51V 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:

• Low-voltage power supply protection
• Consumer electronics and smart devices
• Mobile and portable electronics
• Data and communication interfaces
• Industrial control systems
• ESD and surge protection modules