P4KE12A 12V 400W Uni-Directional TVS Diode | DO-41 | DC Line & Transient Surge Protector HORNBY

The P4KE12A is a 12V, 400W uni-directional TVS diode designed for effective suppression of voltage spikes, load-dump transients, and ESD events on low-voltage DC rails. It provides stable clamping performance, ensuring reliable protection for power modules, communication circuits, and industrial control systems.

Key Specifications

• VRWM: 10.2V

• VBR: 11.412.6V

• VC: 19.9V

• Peak Pulse Power: 400W

• Package: DO-41

• Ultra-fast response time: <1ns

Applications

• DC power rail protection

• Power converters and SMPS

• Consumer and industrial electronics

• Relay/inductive load switching

• Telecom and data circuits

Features

• 400W peak pulse capability

• Fast surge-response characteristics

• Low reverse leakage

• Uni-directional protection

• Rugged DO-41 package