SA150CA 150 V 500 W Bi-Directional TVS Diode | DO-15 | Industrial & High-Voltage Surge Protector HORNBY

The SA150CA is a 150 V, 500 W bi-directional TVS diode designed to protect high-voltage AC/DC rails, industrial automation systems, communication interfaces, and power modules from strong transient surges. Its symmetrical avalanche breakdown ensures stable, reliable clamping during spikes, inductive load switching, and ESD events in both polarities.

Key Specifications

• VRWM: 150 V

• VBR: 167 185 V

• VC: 243 V

• Peak Pulse Power: 500 W

• Package: DO-15

• Response Time: < 1 ns

Applications

• High-voltage industrial control and automation

• PLC and instrumentation surge protection

• Communication and sensor interface lines

• HV SMPS and DC-DC converter input protection

• Motor drive, actuator, and relay surge suppression

Features

• 500 W peak pulse surge capability

• Bi-directional clamping for AC & DC environments

• Ultra-fast avalanche response (<1 ns)

• Durable DO-15 glass-passivated package

• Low leakage and stable breakdown window