SA130A – 130.0 V 500 W Uni-Directional TVS Diode | DO-15 | Industrial & Power-Line Surge Protector SEP

SEP

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The SA130A is a 130 V, 500 W uni-directional TVS diode designed to safeguard industrial DC rails, automation modules, relay and motor drivers, and communication circuits from high-energy transient surges. Its fast avalanche response and tightly controlled breakdown voltage ensure stable clamping during voltage spikes, inductive switching, and load-dump events.

Key Specifications

  • VRWM: 111.0 V

  • VBR: 126.0–140.0 V

  • VC: 209 V

  • Peak Pulse Power: 500 W

  • Package: DO-15

  • Response Time: < 1 ns

Applications

  • Industrial DC bus and PLC surge protection

  • Motor, relay, and solenoid driver protection

  • SMPS and DC/DC converter input protection

  • Communication line and sensor interface safeguarding

  • Automation and control system protection

Features

  • 500 W peak pulse energy absorption capability

  • Uni-directional avalanche clamping for medium-voltage DC rails

  • Ultra-fast transient response (<1 ns)

  • Rugged glass-passivated DO-15 package

  • Low leakage current and stable breakdown characteristics