The SMA6J28A TVS Diode from RUILON is a high-reliability 400W transient voltage suppressor designed to protect sensitive electronic circuits from electrostatic discharge (ESD), voltage spikes, and transient surges. Featuring a 28V stand-off voltage, this device is ideal for safeguarding low-to-mid voltage power rails, communication interfaces, industrial control lines, and embedded electronic systems. Built using advanced silicon avalanche technology, it provides ultra-fast response time, low leakage current, and precise clamping performance, ensuring reliable protection without affecting normal circuit operation.
Engineered for durability in demanding environments, the SMA6J28A offers excellent thermal stability and high peak pulse current capability under 8/20µs surge conditions, making it suitable for applications exposed to repeated transient events. Compared to lower-voltage variants, the 28V rating provides a higher operating margin while maintaining effective and stable surge suppression.
Encased in the industry-standard SMA (DO-214AC) surface-mount package, this diode supports compact PCB designs and automated assembly processes, making it ideal for modern high-density electronic systems. Its rugged construction ensures long-term reliability and consistent electrical performance.
The SMA6J28A is widely used in consumer electronics, industrial automation, communication systems, automotive electronics, and portable devices, providing dependable protection against transient overvoltage conditions. It is an excellent choice for engineers seeking compact, efficient, and high-performance surge protection solutions.
Key Specifications:
- Part Number: SMA6J28A
- Peak Pulse Power Dissipation: 400W (8/20µs)
- Stand-off Voltage (VRWM): 28V
- Breakdown Voltage: ~31.1V – 34.4V
- Clamping Voltage: ~45.2V
- 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
- Communication interfaces
- Industrial control equipment
- Consumer electronics
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 mid-voltage surge protection applications