SA64CA – 64 V 500 W Bi-Directional TVS Diode | DO-15 | Industrial & Communication Line Surge Protector SEP

The SA64CA is a 64 V, 500 W bi-directional TVS diode designed to protect industrial control systems, communication networks, automotive modules, and sensitive electronics from high-energy surge transients. Its symmetric avalanche characteristics ensure consistent clamping performance in both directions, making it ideal for AC and DC protection lines.

Key Specifications

• VRWM: 64 V

• VBR: 71.1 – 78.9 V

• VC: 103 V

• Peak Pulse Power: 500 W

• Package: DO-15

• Response Time: < 1 ns

Applications

• Industrial PLC and automation interfaces

• RS-485/RS-422 and communication line surge protection

• Automotive ECU and sensor line protection

• Power distribution and DC bus protection

• SMPS and DC-DC converter front-end protection

Features

• 500 W high pulse surge capability

• Bi-directional avalanche clamping for AC/DC circuits

• Ultra-fast transient response (<1 ns)

• Robust glass-passivated DO-15 package

• Stable breakdown voltage with low leakage characteristics