The SMAJ150A TVS Diode from RUILON is a high-reliability 400W transient voltage suppressor designed to protect sensitive electronic circuits from voltage spikes, lightning surges, and electrostatic discharge (ESD). Featuring a 150V stand-off voltage, this device is optimized for high-voltage applications, offering significantly improved protection margins compared to lower-voltage TVS diodes while preventing false triggering during normal operation. Built using advanced silicon avalanche technology, it provides ultra-fast response time, low leakage current, and precise clamping performance, ensuring efficient suppression of transient overvoltage events.
Engineered for durability, the SMAJ150A delivers excellent thermal stability and high peak pulse current capability under 8/20µs surge conditions, making it suitable for harsh electrical environments and repeated surge exposure. Its high surge absorption capability enhances overall system reliability and extends the lifespan of protected components.
Encased in the industry-standard SMA (DO-214AC) surface-mount package, this diode supports compact PCB layouts and automated assembly, making it ideal for modern electronic designs requiring both space efficiency and high performance. Its robust construction ensures consistent operation across a wide range of applications.
The SMAJ150A is widely used in power supplies, industrial control systems, telecommunications infrastructure, automotive electronics, and consumer devices, providing dependable protection against transient voltage threats. It is an excellent choice for engineers seeking compact, efficient, and high-performance surge protection solutions.
Key Specifications:
- Part Number: SMAJ150A
- Peak Pulse Power Dissipation: 400W (8/20µs)
- Stand-off Voltage (VRWM): 150V
- Breakdown Voltage: ~167V – 185V
- Clamping Voltage: ~243V
- Response Time: Picoseconds
- Leakage Current: Low
- Package: SMA / DO-214AC
- Type: Unidirectional TVS Diode
Applications:
- Power supply surge protection
- Industrial control equipment
- Telecommunications systems
- Automotive electronics
- Consumer electronics
Key Features:
- 400W peak pulse power capability
- Ultra-fast transient response
- Low leakage current for improved efficiency
- Accurate and stable clamping performance
- High thermal stability and long-term reliability
- Compact SMA package for high-density PCB layouts
- Suitable for high-voltage protection applications
