The SMAJ190A TVS Diode from RUILON is a high-reliability 400W transient voltage suppressor engineered to protect electronic circuits from voltage spikes, lightning surges, and electrostatic discharge (ESD). With a 190V stand-off voltage, this device is ideal for high-voltage applications, providing greater protection margins compared to lower-voltage TVS diodes while preventing unwanted conduction during normal operation. Built using advanced silicon avalanche technology, it delivers ultra-fast response time, low leakage current, and precise clamping performance, ensuring efficient suppression of transient overvoltage events.
Designed for durability, the SMAJ190A offers 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 system reliability and extends the lifespan of sensitive 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 electronics requiring both performance and space efficiency. Its rugged construction ensures consistent and dependable operation across a wide range of applications.
The SMAJ190A is widely used in power supplies, industrial control systems, telecommunications infrastructure, automotive electronics, and consumer devices, delivering reliable 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: SMAJ190A
- Peak Pulse Power Dissipation: 400W (8/20µs)
- Stand-off Voltage (VRWM): 190V
- Breakdown Voltage: ~211V – 233V
- Clamping Voltage: ~309V
- Response Time: Picoseconds
- Leakage Current: Low
- Package: SMA / DO-214AC
- Type: Unidirectional TVS Diode
Applications:
- Power supply 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 space-saving PCB layouts
- Suitable for high-voltage surge protection applications
