SMAJ14A-AT 14V 400W TVS Diode SMA/DO-214AC | RUILON

The SMAJ14A-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 provides fast response time and stable clamping performance, ensuring reliable protection for modern low-voltage electronic systems.

With a working peak reverse voltage of 14V, the SMAJ14A-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) delivers effective suppression of transient energy while maintaining low leakage current and high reliability.

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

Key Features:

• 400W peak pulse power dissipation (10/1000µs)
• 14V working peak reverse voltage
• Fast transient response for surge protection
• Low leakage current and high reliability
• Strong clamping capability for ESD suppression
• Compact SMA (DO-214AC) SMD package

Applications:

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