The SMAJ48A TVS Diode from RUILON is a robust 400W transient voltage suppressor designed to provide reliable protection against voltage spikes, lightning surges, and electrostatic discharge (ESD). With a 48V stand-off voltage, this diode is ideal for higher-voltage applications, offering enhanced protection margins compared to lower-rated devices while preventing unwanted triggering during normal operation. Built using advanced silicon avalanche technology, it ensures ultra-fast response time, low leakage current, and precise clamping performance, making it suitable for sensitive and high-speed circuits.
Engineered for durability, the SMAJ48A delivers excellent thermal stability and high peak pulse current capability under 8/20µs conditions, ensuring consistent performance in harsh electrical environments. Its efficient surge absorption capability helps extend the lifespan of connected components and improves overall system reliability.
Encased in the standard SMA (DO-214AC) surface-mount package, this diode supports compact PCB layouts and automated manufacturing, making it a preferred choice for modern electronics design. The combination of high power handling and compact size ensures optimal space utilization without compromising protection.
The SMAJ48A is widely used in power supplies, automotive electronics, industrial systems, telecom infrastructure, and consumer devices, delivering dependable and efficient surge protection. It is an excellent solution for engineers seeking high-performance, space-efficient, and reliable circuit protection.
Key Specifications:
- Part Number: SMAJ48A
- Peak Pulse Power Dissipation: 400W (8/20µs)
- Stand-off Voltage (VRWM): 48V
- Breakdown Voltage: ~53.3V – 58.9V
- Clamping Voltage: ~77.4V
- Response Time: Picoseconds
- Leakage Current: Low
- Package: SMA / DO-214AC
- Type: Unidirectional TVS Diode
Applications:
- Power supply protection
- Automotive electronics
- Industrial control systems
- Telecommunications equipment
- Consumer electronics
Key Features:
- 400W peak pulse power capability
- Ultra-fast response to transient events
- Low leakage current for improved efficiency
- Accurate and stable clamping voltage
- High thermal reliability and durability
- Compact SMA package for high-density PCB designs
- Suitable for higher voltage surge protection applications
