SA58CA – 58 V 500 W Bi-Directional TVS Diode | DO-15 | Industrial & Telecom Surge Protector SEP

The SA58CA is a 58 V, 500 W bi-directional TVS diode designed for protecting industrial control systems, communication equipment, automotive subsystems, and other sensitive electronics from high-energy voltage spikes. Its symmetrical avalanche construction ensures equal clamping performance in both polarities, providing robust suppression against surges, ESD, and inductive transients.

Key Specifications

• VRWM: 58 V

• VBR: 64.4 – 71.2 V

• VC: 93.6 V

• Peak Pulse Power: 500 W

• Package: DO-15

• Response Time: < 1 ns

Applications

• PLCs and industrial automation circuits

• Automotive ECUs and instrumentation

• Communication and data line protection

• Power supply and DC bus transient suppression

• Protection for inductive loads (motors, relays, solenoids)

Features

• 500 W peak pulse capability

• Bi-directional avalanche clamping

• Ultra-fast response (<1 ns)

• Rugged DO-15 glass-passivated package

• Tight breakdown voltage tolerance with low leakage