SA90CA – 90 V 500 W Bi-Directional TVS Diode | DO-15 | Industrial & High-Voltage Surge Protector SEP

The SA90CA is a 90 V, 500 W bi-directional TVS diode designed to protect high-voltage industrial control lines, automotive subsystems, communication interfaces, and precision electronics from damaging transient surges. Its symmetrical avalanche characteristic ensures stable clamping in both polarities during voltage spikes, inductive load switching, and ESD events.

Key Specifications

• VRWM: 90 V

• VBR: 100 – 111 V

• VC: 146 V

• Peak Pulse Power: 500 W

• Package: DO-15

• Response Time: < 1 ns

Applications

• High-voltage industrial system protection

• PLC and automation surge suppression

• 90 V DC bus and power rail protection

• Telecom, instrumentation, and sensor interfaces

• SMPS/DC-DC converter input protection

Features

• 500 W peak pulse capability

• Bi-directional avalanche clamping

• Ultra-fast <1 ns response

• Rugged DO-15 glass-passivated package

• Low leakage with stable avalanche characteristics