SA45CA – 45 V 500 W Bi-Directional TVS Diode | DO-15 | Industrial & Communication Line Surge Protector SEP

The SA45CA is a 45 V, 500 W bi-directional TVS diode designed to protect industrial automation systems, communication lines, sensor interfaces, and low-voltage power rails from damaging transient surges. Its symmetrical avalanche breakdown ensures dependable clamping in both polarities during spikes, ESD, and inductive switching disturbances.

Key Specifications
VRWM: 38.50 V
VBR: 42.80–47.30 V
VC: 60.7 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 converter protection
Low-voltage power rail surge suppression
Microcontroller, logic, and I/O line protection

Features
500 W peak pulse capability
Bi-directional avalanche clamping
Ultra-fast response (<1 ns)
Rugged DO-15 glass-passivated axial package
Stable VBR with low leakage current