The SMA6J20A TVS Diode from RUILON is a high-performance 400W transient voltage suppressor engineered to protect low-voltage electronic circuits from electrostatic discharge (ESD), voltage spikes, and transient surges. With a 20V stand-off voltage, this device is ideal for safeguarding sensitive components such as microcontrollers, communication interfaces, and DC power rails. Built using advanced silicon avalanche technology, it ensures ultra-fast response time, low leakage current, and precise clamping performance, delivering reliable protection without affecting normal circuit operation.
Designed for durability and consistent operation, the SMA6J20A offers excellent thermal stability and high peak pulse current capability under 8/20µs surge conditions, making it suitable for applications exposed to frequent transient events. Compared to lower-voltage variants, the 20V rating provides improved voltage tolerance, reducing the risk of unwanted triggering while maintaining effective surge suppression.
Encased in the industry-standard SMA (DO-214AC) surface-mount package, this diode supports compact PCB layouts and automated assembly processes, making it ideal for modern high-density electronic designs. Its robust construction ensures long-term reliability and stable electrical characteristics.
The SMA6J20A is widely used in power management circuits, embedded systems, consumer electronics, communication equipment, and portable devices, delivering dependable protection against transient overvoltage conditions. It is an excellent choice for engineers seeking compact, efficient, and reliable low-voltage surge protection solutions.
Key Specifications:
- Part Number: SMA6J20A
- Peak Pulse Power Dissipation: 400W (8/20µs)
- Stand-off Voltage (VRWM): 20V
- Breakdown Voltage: ~22.2V – 24.6V
- Clamping Voltage: ~32.4V
- Response Time: Picoseconds
- Leakage Current: Low
- Package: SMA / DO-214AC
- Type: Unidirectional TVS Diode
Applications:
- Power line and DC rail protection
- Embedded systems and microcontrollers
- Consumer electronics
- Communication interfaces
- Portable devices
Key Features:
- 400W peak pulse power capability
- Ultra-fast transient response for ESD protection
- Low leakage current for improved efficiency
- Precise and stable clamping performance
- High thermal stability and long-term reliability
- Compact SMA package for space-saving PCB layouts
- Suitable for low-voltage protection applications