The SMA6J12A 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. Featuring a 12V stand-off voltage, this device is ideal for protecting sensitive components such as microcontrollers, communication interfaces, and DC power lines. Built using advanced silicon avalanche technology, it provides ultra-fast response time, low leakage current, and precise clamping performance, ensuring reliable circuit protection without affecting normal operation.
Designed for consistent and long-term reliability, the SMA6J12A 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 12V rating provides improved operating margin, reducing the risk of false triggering while maintaining efficient surge suppression.
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 electronic designs. Its rugged construction ensures stable electrical characteristics and extended service life.
The SMA6J12A is widely used in consumer electronics, embedded systems, communication devices, portable equipment, and power management circuits, 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: SMA6J12A
- Peak Pulse Power Dissipation: 400W (8/20µs)
- Stand-off Voltage (VRWM): 12V
- Breakdown Voltage: ~13.3V – 14.7V
- Clamping Voltage: ~19.9V
- 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
- 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
- Accurate 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
