SA8.5CA – 8.5 V 500 W Bi-Directional TVS Diode | DO-15 | Industrial & Communication Line Surge Protector SEP

The SA8.5CA is an 8.5 V, 500 W bi-directional TVS diode built to safeguard low-voltage industrial, communication, sensor, and control circuits from high-energy transients. Its symmetrical avalanche design ensures consistent clamping in both polarities, providing dependable protection against spikes, ESD, and inductive switching events.

Key Specifications

• VRWM: 7.25 V

• VBR: 9.02–10.6 V

• VC: 13.9 V

• Peak Pulse Power: 500 W

• Package: DO-15

• Response Time: < 1 ns

Applications

• Industrial control and PLC systems

• Communication and sensor line protection

• SMPS and DC-DC front-end protection

• Low-voltage power rail surge suppression

• Microcontroller and logic interface protection

Features

• 500 W peak pulse capability

• Bi-directional avalanche clamping

• Ultra-fast response (<1 ns)

• Rugged DO-15 glass-passivated package

• Stable VBR with low leakage current