P4KE150A 150 V 400 W Uni-Directional TVS Diode | DO-41 | Industrial & Telecom Surge Protector HORNBY

The P4KE150A is a 150 V, 400 W uni-directional TVS diode designed to protect 140150 V DC rails, industrial automation systems, telecom power lines, and sensitive electronic modules from high-energy transients. Its fast avalanche response and controlled breakdown range provide reliable clamping during load-dump events, inductive switching, and lightning-induced surges.

Key Specifications

• VRWM: 128 V

• VBR: 143158 V

• VC: 210 V

• Peak Pulse Power: 400 W

• Package: DO-41

• Response Time: < 1 ns

Applications

• 140150 V DC bus surge suppression

• Industrial automation and PLC module protection

• Telecom and networking power system transient protection

• SMPS and DC/DC converter input protection

• Field instrumentation and control electronics

Features

• 400 W peak pulse energy handling

• Precise clamping for 150 V DC systems

• Ultra-fast avalanche response (< 1 ns)

• Rugged, long-life DO-41 axial package

• Low leakage current and stable breakdown behavior