P4KE20A 20V 400W Uni-Directional TVS Diode | DO-41 | Industrial & Automotive Surge Protector HORNBY

The P4KE20A is a 20V, 400W uni-directional TVS diode engineered for protecting DC power lines, automotive modules, and industrial control systems from voltage spikes, inductive kickback, and load-dump transients. Its stable breakdown characteristics and rapid clamping response ensure reliable protection in harsh electrical environments.

Key Specifications

• VRWM: 17.1V

• VBR: 19.021.0V

• VC: 32.4V

• Peak Pulse Power: 400W

• Package: DO-41

• Response Time: <1ns

Applications

• Automotive 12V/24V surge suppression

• Industrial DC bus and control lines

• Relay, solenoid, and motor driver protection

• Sensor and communication line protection

• Power supply transient protection

Features

• 400W peak pulse capability

• Ultra-fast transient response

• Low leakage current for clean DC rails

• Uni-directional protection for DC circuits

• Rugged DO-41 axial package