SMA6J6.5A TVS Diode SMA/DO-214AC 400W | 6.5V Transient Voltage Suppressor for ESD & Surge Protection | RUILON

RUILON

The SMA6J6.5A TVS Diode from RUILON is a high-efficiency 400W transient voltage suppressor designed to protect low-voltage electronic circuits from electrostatic discharge (ESD), voltage spikes, and transient surges. With a 6.5V stand-off voltage, this device is optimized for sensitive electronics requiring precise voltage protection, such as microcontrollers, USB interfaces, and low-voltage DC power lines. Built using advanced silicon avalanche technology, it offers ultra-fast response time, low leakage current, and accurate clamping performance, ensuring reliable protection without interfering with normal circuit operation.

Engineered for consistent performance, the SMA6J6.5A delivers excellent thermal stability and high peak pulse current capability under 8/20µs surge conditions, making it suitable for repeated transient exposure in demanding environments. Compared to lower voltage variants, the 6.5V rating provides a balanced margin between protection sensitivity and operational voltage tolerance, reducing the risk of unnecessary triggering.

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 high-density designs. Its rugged construction ensures long-term reliability and stable electrical performance.

The SMA6J6.5A is widely used in portable electronics, embedded systems, communication interfaces, consumer devices, and power management circuits, delivering dependable protection against transient overvoltage events. It is an excellent choice for engineers seeking compact, fast, and reliable low-voltage surge protection solutions.


Key Specifications:

  • Part Number: SMA6J6.5A
  • Peak Pulse Power Dissipation: 400W (8/20µs)
  • Stand-off Voltage (VRWM): 6.5V
  • Breakdown Voltage: ~7.2V – 8.0V
  • Clamping Voltage: ~11.2V
  • Response Time: Picoseconds
  • Leakage Current: Low
  • Package: SMA / DO-214AC
  • Type: Unidirectional TVS Diode

Applications:

  • USB and data line protection
  • Embedded systems and microcontrollers
  • Portable and handheld devices
  • Consumer electronics
  • Communication interfaces

Key Features:

  • 400W peak pulse power capability
  • Ultra-fast transient response for ESD protection
  • Low leakage current for improved efficiency
  • Precise clamping for sensitive low-voltage circuits
  • High thermal stability and long-term reliability
  • Compact SMA package for space-saving PCB layouts
  • Suitable for low-voltage protection applications