The SMBJ40A TVS Diode from RUILON is a robust 600W transient voltage suppressor engineered to protect sensitive electronic circuits from voltage spikes, lightning-induced surges, and electrostatic discharge (ESD). Built using advanced avalanche breakdown technology, this device ensures ultra-fast response time and precise clamping performance, delivering reliable overvoltage protection in demanding environments.
With a working peak reverse voltage of 40V, the SMBJ40A is ideal for higher-voltage applications requiring stable and efficient surge suppression. It offers a high peak pulse power dissipation of 600W (10/1000µs waveform), enabling it to safely absorb and dissipate transient energy. The diode features low leakage current and optimized clamping characteristics, improving system efficiency and long-term durability.
Compared to lower voltage TVS diodes, the 40V configuration provides greater voltage headroom, minimizing the risk of false triggering in circuits with voltage fluctuations while maintaining strong protection capability. Encapsulated in a compact SMB (DO-214AA) surface-mount package, it supports space-efficient PCB layouts and easy integration.
The RUILON SMBJ40A is widely used in power supplies, automotive systems, telecom equipment, industrial control units, and consumer electronics, ensuring consistent performance, enhanced reliability, and extended service life.
Key Features:
- 600W peak pulse power dissipation (10/1000µs)
- 40V working peak reverse voltage
- Ultra-fast response time
- Low leakage current and high stability
- Excellent clamping performance
- Compact SMB (DO-214AA) SMD package
Applications:
- Power supply protection
- Automotive electronics
- Telecom and networking systems
- Industrial control equipment
- Consumer electronic devices
