The 1.0SMBJ40A TVS Diode from RUILON is a high-performance 1000W transient voltage suppressor designed to protect sensitive electronic circuits from voltage spikes, lightning surges, and electrostatic discharge (ESD). Built using advanced avalanche breakdown technology, this device delivers ultra-fast response time and precise clamping performance, ensuring effective suppression of transient overvoltage events.
With a working peak reverse voltage of 40V, the 1.0SMBJ40A is ideal for low-voltage to mid-voltage applications such as DC power rails, communication interfaces, and embedded electronic systems. Its high peak pulse power dissipation of 1000W (10/1000µs waveform) provides significantly enhanced surge absorption capability compared to standard 600W TVS diodes, improving overall system protection and reliability.
The device features low leakage current, stable clamping characteristics, and excellent thermal performance, ensuring efficient operation even under high electrical stress. Compared to lower voltage variants, the 40V configuration offers increased voltage headroom, reducing the risk of unintended triggering while maintaining strong transient suppression capability.
Encased in a compact SMB (DO-214AA) surface-mount package, the 1.0SMBJ40A supports space-efficient PCB layouts and easy integration into modern electronic designs. It is widely used in consumer electronics, power supplies, communication equipment, and industrial control systems, delivering dependable protection and consistent performance.
Key Features:
- 1000W peak pulse power dissipation (10/1000µs)
- 40V working peak reverse voltage
- Ultra-fast response time
- Low leakage current and high reliability
- Excellent clamping capability
- Compact SMB (DO-214AA) SMD package
Applications:
- Power supply protection
- Communication systems
- Consumer electronics
- Industrial control systems
- Embedded electronic devices
