The SMAJ45A TVS Diode from RUILON is a high-performance 400W transient voltage suppressor engineered to protect electronic circuits from voltage spikes, lightning surges, and electrostatic discharge (ESD). With a 45V stand-off voltage, this device provides reliable protection for systems operating at higher voltage levels, ensuring stable performance without premature breakdown. Utilizing advanced silicon avalanche technology, it delivers ultra-fast response time, low leakage current, and precise clamping capability, making it ideal for sensitive and high-speed electronics.
Designed for superior thermal performance and durability, the SMAJ45A can handle high peak pulse currents under 8/20µs surge conditions, maintaining consistent protection even in harsh environments. Compared to lower voltage TVS diodes, the 45V rating offers improved voltage margin, reducing false triggering while ensuring effective transient suppression.
Housed in the industry-standard SMA (DO-214AC) surface-mount package, this diode supports compact PCB designs and efficient automated assembly. Its robust construction ensures long service life and dependable operation across a wide range of applications.
The SMAJ45A is widely used in power supplies, automotive systems, industrial controls, telecommunications equipment, and consumer electronics, providing efficient and space-saving surge protection. It is an ideal solution for designers seeking high reliability, compact size, and strong transient protection performance.
Key Specifications:
- Part Number: SMAJ45A
- Peak Pulse Power Dissipation: 400W (8/20µs)
- Stand-off Voltage (VRWM): 45V
- Breakdown Voltage: ~50V – 55.6V
- Clamping Voltage: ~72.7V
- Response Time: Picoseconds
- Leakage Current: Low
- Package: SMA / DO-214AC
- Type: Unidirectional TVS Diode
Applications:
- Power supply surge protection
- Automotive electronics
- Industrial control systems
- Telecom and networking equipment
- Consumer electronics
Key Features:
- 400W peak pulse power capability
- Ultra-fast transient response
- Low leakage current for energy efficiency
- Accurate and stable clamping performance
- High thermal stability and reliability
- Compact SMA package for space-saving PCB layouts
- Suitable for higher voltage protection designs
