SMAJ51A-AT 51V 400W TVS Diode SMA/DO-214AC | RUILON

The SMAJ51A-AT TVS Diode from RUILON is a 400W transient voltage suppressor designed to protect sensitive electronic circuits from lightning surges, voltage spikes, and electrostatic discharge (ESD). Built with advanced avalanche breakdown technology, it delivers fast response time and stable clamping performance, ensuring reliable protection for modern low-voltage electronic systems.

With a working peak reverse voltage of 51V, the SMAJ51A-AT is ideal for DC power line protection in consumer electronics, communication devices, industrial control systems, and embedded applications. Its 400W peak pulse power rating (10/1000µs waveform) provides efficient suppression of transient energy while maintaining low leakage current and high reliability.

Housed in a compact SMA (DO-214AC) surface-mount package, the device supports high-density PCB layouts and delivers excellent thermal stability under repeated surge conditions. It ensures consistent long-term performance, making it a dependable solution for protecting sensitive semiconductor components in compact electronic designs.

Key Features:

• 400W peak pulse power dissipation (10/1000µs)
• 51V working peak reverse voltage
• Fast response to transient voltage spikes
• Low leakage current and high reliability
• Strong clamping capability for ESD protection
• Compact SMA (DO-214AC) SMD package

Applications:

• DC power line protection
• Consumer electronics
• Communication systems
• Industrial control systems
• Embedded electronic circuits
• Portable electronic devices