SA7.5CA – 7.5 V 500 W Bi-Directional TVS Diode | DO-15 | Industrial & Power-Line Surge Protector SEP

The SA7.5CA is a 7.5 V, 500 W bi-directional TVS diode designed to safeguard low-voltage power rails, industrial control electronics, communication interfaces, and embedded systems from damaging surge events. Its symmetrical avalanche breakdown ensures dependable clamping of both positive and negative transients such as inductive load switching, ESD, and electrical noise.

Key Specifications

• VRWM: 6.40 V

• VBR: 7.88–8.72 V

• VC: 12.1 V

• Peak Pulse Power: 500 W

• Package: DO-15

• Response Time: < 1 ns

Applications

• Industrial controllers and PLC protection

• Sensor, relay, and communication line surge suppression

• SMPS/DC-DC converter front-end protection

• Low-voltage AC/DC rail transient protection

• Microcontroller and logic-level interface protection

Features

• 500 W peak pulse surge capability

• Bi-directional clamping for AC & DC circuits

• Ultra-fast response (<1 ns)

• Rugged, glass-passivated DO-15 package

• Low leakage with stable, controlled breakdown