SMFJ43A TVS Diode SOD-123 200W | 43V Surge Protection | RUILON

The SMFJ43A TVS Diode from RUILON is a high-performance 200W transient voltage suppressor designed to protect electronic circuits from voltage spikes, lightning surges, and electrostatic discharge (ESD). With a 43V reverse standoff voltage, it is ideal for low to medium voltage applications requiring stable operation and reliable overvoltage protection.

Built using advanced avalanche technology, the SMFJ43A delivers ultra-fast response time, low leakage current, and precise clamping characteristics. Its higher voltage rating compared to lower series variants enhances tolerance to voltage fluctuations, reducing false triggering while maintaining strong transient suppression performance.

Encased in a compact SOD-123 surface-mount package, this diode is optimized for space-constrained PCB layouts and high-density designs. It provides efficient thermal performance and ensures consistent protection under repetitive surge conditions. Designed for durability, the SMFJ43A ensures long service life and dependable operation across a wide range of electronic applications.

Key Features:

• 200W peak pulse power dissipation
• 43V 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 line protection
• Consumer electronics and smart devices
• Mobile and portable electronics
• Data and communication interfaces
• Industrial control and automation systems
• ESD and surge protection solutions