P4KE200A 200 V 400 W Uni-Directional TVS Diode | DO-41 | Industrial & Telecom Surge Protector HORNBY

The P4KE200A is a 200 V, 400 W uni-directional TVS diode designed to protect 190200 V DC rails, industrial control systems, telecom power lines, and sensitive electronics from high-energy transient events. Its fast avalanche response and controlled breakdown range ensure reliable clamping during load-dump events, inductive switching, and lightning-induced surges.

Key Specifications

• VRWM: 172 V

• VBR: 190210 V

• VC: 285 V

• Peak Pulse Power: 400 W

• Package: DO-41

• Response Time: < 1 ns

Applications

• 190200 V DC bus transient suppression

• Industrial automation and PLC protection

• Telecom and networking power system surge protection

• SMPS/DC converter input surge protection

• Field instruments and control electronics

Features

• 400 W peak pulse energy absorption

• Precise clamping for 200 V DC systems

• Ultra-fast avalanche response (< 1 ns)

• Rugged, long-life DO-41 package

• Low leakage current with stable breakdown characteristics