SA170CA 170 V 500 W Bi-Directional TVS Diode | DO-15 | Industrial & High-Voltage Surge Protector HORNBY

The SA170CA is a 170 V, 500 W bi-directional TVS diode designed to safeguard high-voltage AC/DC rails, industrial automation systems, sensor networks, and control electronics from strong transient surges. Its symmetrical avalanche breakdown ensures reliable clamping in both polarities during spikes, inductive load switching, and ESD disturbances.

Key Specifications

• VRWM: 170 V

• VBR: 189 209 V

• VC: 275 V

• Peak Pulse Power: 500 W

• Package: DO-15

• Response Time: < 1 ns

Applications

• High-voltage industrial control systems

• PLC and automation equipment protection

• Sensor and communication interface surge suppression

• HV SMPS and DC-power module protection

• Motor drives, relays, and inductive load interfaces

Features

• 500 W peak pulse surge capability

• Bi-directional avalanche clamping

• Ultra-fast transient response (<1 ns)

• Rugged DO-15 glass-passivated construction

• Low leakage and stable breakdown characteristics