P4KE100A 100 V 400 W Uni-Directional TVS Diode | DO-41 | High-Voltage Industrial & Telecom Surge Protector HORNBY

The P4KE100A is a 100 V, 400 W uni-directional TVS diode designed for protecting 90100 V DC rails, telecom supplies, industrial automation modules, and sensitive electronics from high-energy transient events. Its ultra-fast avalanche conduction and tightly regulated breakdown range ensure consistent clamping during lightning surges, inductive switching spikes, and power disturbances.

Key Specifications

• VRWM: 85.5 V

• VBR: 95.0105 V

• VC: 137 V

• Peak Pulse Power: 400 W

• Package: DO-41

• Response Time: < 1 ns

Applications

• 90100 V DC line surge suppression

• Telecom and networking power system protection

• Industrial control and automation equipment

• SMPS and DC/DC converter transient filtering

• Instrumentation and field control electronics

Features

• High-energy 400 W peak pulse capability

• Precise voltage clamping for 100 V systems

• Ultra-fast avalanche response (< 1 ns)

• Rugged, long-life DO-41 package

• Low leakage current with stable breakdown characteristics