The SMAJ58A TVS Diode from RUILON is a high-performance 400W transient voltage suppressor engineered to protect sensitive electronic circuits from voltage spikes, lightning surges, and electrostatic discharge (ESD). With a 58V stand-off voltage, this device is ideal for higher-voltage applications, offering improved protection margins compared to lower-rated TVS diodes while preventing unwanted conduction during normal operation. Built using advanced silicon avalanche technology, it provides ultra-fast response time, low leakage current, and precise clamping characteristics, ensuring efficient transient suppression in critical systems.
Designed for reliability, the SMAJ58A delivers strong peak pulse current handling under 8/20µs surge conditions, along with excellent thermal stability and power dissipation, making it suitable for harsh electrical environments. Its high surge absorption capability enhances overall system durability and extends the lifespan of protected components.
Encapsulated in the industry-standard SMA (DO-214AC) surface-mount package, this diode supports compact PCB designs and automated assembly, making it ideal for space-constrained applications. The combination of high power handling and compact form factor ensures optimal performance without compromising board space.
The SMAJ58A is widely used in power supplies, automotive electronics, industrial control systems, telecommunications infrastructure, and consumer electronics, delivering reliable and efficient protection against transient overvoltage events. It is an excellent choice for engineers seeking compact, durable, and high-efficiency surge protection solutions.
Key Specifications:
- Part Number: SMAJ58A
- Peak Pulse Power Dissipation: 400W (8/20µs)
- Stand-off Voltage (VRWM): 58V
- Breakdown Voltage: ~64.4V – 71.2V
- Clamping Voltage: ~93.6V
- Response Time: Picoseconds
- Leakage Current: Low
- Package: SMA / DO-214AC
- Type: Unidirectional TVS Diode
Applications:
- Power supply surge 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 long-term reliability
- Compact SMA package for space-saving PCB design
- Suitable for higher voltage protection applications