P4KE180A 180 V 400 W Uni-Directional TVS Diode | DO-41 | Industrial & Telecom Surge Protector HORNBY

The P4KE180A is a 180 V, 400 W uni-directional TVS diode designed to protect 170180 V DC rails, industrial automation equipment, telecom power lines, and sensitive electronics from high-energy transients. Its fast avalanche response and tightly controlled breakdown range ensure reliable clamping during lightning surges, inductive switching, and load-dump events.

Key Specifications

• VRWM: 155 V

• VBR: 171189 V

• VC: 255 V

• Peak Pulse Power: 400 W

• Package: DO-41

• Response Time: < 1 ns

Applications

• 170180 V DC bus transient protection

• Industrial automation and PLC surge suppression

• Telecom and networking power system protection

• SMPS/DC converter input surge guarding

• Field instrumentation and control electronics

Features

• 400 W peak pulse energy handling

• Accurate clamping for 180 V DC systems

• Ultra-fast avalanche response (< 1 ns)

• Rugged DO-41 axial package

• Low leakage current and stable breakdown characteristics