SMAJ90A TVS Diode SMA/DO-214AC 400W | 90V Transient Voltage Suppressor for Surge Protection | RUILON

RUILON

The SMAJ90A 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 90V stand-off voltage, this device is ideal for high-voltage applications, offering greater protection margins compared to lower-voltage TVS diodes while preventing unwanted conduction during normal operation. Built with advanced silicon avalanche technology, it ensures ultra-fast response time, low leakage current, and precise clamping performance, making it highly effective in suppressing transient overvoltage events.

Engineered for durability, the SMAJ90A delivers excellent thermal stability and high peak pulse current capability under 8/20µs surge conditions, ensuring consistent performance in harsh electrical environments. Its strong surge absorption capability enhances system reliability and extends the operational lifespan of protected components.

Encased in the industry-standard SMA (DO-214AC) surface-mount package, this diode supports compact PCB layouts and automated assembly processes, making it a preferred choice for modern electronics requiring high performance and space efficiency.

The SMAJ90A is widely used in power supplies, automotive electronics, industrial control systems, telecommunications equipment, and consumer electronics, providing dependable protection against transient voltage threats. It is an excellent solution for engineers seeking compact, efficient, and high-performance surge protection.


Key Specifications:

  • Part Number: SMAJ90A
  • Peak Pulse Power Dissipation: 400W (8/20µs)
  • Stand-off Voltage (VRWM): 90V
  • Breakdown Voltage: ~100V – 111V
  • Clamping Voltage: ~146V
  • Response Time: Picoseconds
  • Leakage Current: Low
  • Package: SMA / DO-214AC
  • Type: Unidirectional TVS Diode

Applications:

  • Power supply protection
  • Automotive electronic systems
  • Industrial control equipment
  • Telecom and networking devices
  • 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 reliability
  • Compact SMA package for space-saving PCB layouts
  • Suitable for high-voltage surge protection applications