SA85CA – 85 V 500 W Bi-Directional TVS Diode | DO-15 | Industrial & High-Voltage Line Surge Protector SEP

The SA85CA is an 85 V, 500 W bi-directional TVS diode designed to protect high-voltage industrial systems, communication interfaces, and sensitive electronic modules from damaging transients. Its symmetrical avalanche design provides reliable clamping in both polarities during spikes, load switching, and electrostatic discharge events.

Key Specifications

• VRWM: 85 V

• VBR: 94.4 – 104 V

• VC: 137 V

• Peak Pulse Power: 500 W

• Package: DO-15

• Response Time: < 1 ns

Applications

• High-voltage industrial control lines

• PLCs and automation equipment surge protection

• 80–85 V DC rail protection

• SMPS and DC-DC converter front-end

• Instrumentation, sensors, and telecom protection

Features

• 500 W peak pulse capability

• Bi-directional avalanche clamping

• <1 ns ultra-fast response

• Rugged DO-15 glass-passivated construction

• Low leakage and stable breakdown characteristics