P4KE27A 27V 400W Uni-Directional TVS Diode | DO-41 | Industrial DC Line Surge Protector HORNBY

The P4KE27A is a 27V, 400W uni-directional TVS diode designed to safeguard 2428V DC control rails, communication circuits, and industrial modules from high-energy surges and electrical transients. Its fast avalanche response and accurate breakdown window ensure dependable clamping during voltage spikes, load-dump events, and inductive switching.

Key Specifications

• VRWM: 23.1V

• VBR: 25.728.4V

• VC: 43.5V

• Peak Pulse Power: 400W

• Package: DO-41

• Response Time: <1ns

Applications

• 24V automation and PLC input protection

• Motor, relay, and inductive load suppression

• DC power converters and SMPS front-end protection

• Field instruments and control panel electronics

• Automotive 24V accessory surge protection

Features

• 400W peak pulse capability

• Precise clamping for 24V systems

• Ultra-fast transient response

• Rugged, long-life DO-41 package

• Low leakage and stable avalanche characteristics