P4KE8.2A 8.2V 400W Unidirectional TVS Diode | DO-41 | DC Line & Low-Voltage Rail Surge Protector HORNBY

The P4KE8.2A is a 400W unidirectional transient voltage suppressor engineered for protecting low-voltage DC rails, power buses, sensors, and logic interfaces. With a precise breakdown range of 7.478.61V and a strong 400W surge rating, it clamps high-energy transients, ESD events, and switching spikes with fast response. The device offers low leakage and reliable suppression for sensitive circuits that require one‑directional protection.

Key Specifications

• VWM (Standoff Voltage): 8.2V

• VBR (Breakdown Voltage): 7.478.61V

• VC (Clamping Voltage): 13.6V

• IPP (Peak Pulse Current): 29.4A

• PPP (Peak Pulse Power): 400W

• IR (Leakage Current): 1000µA

• Polarity: Unidirectional

• Package: DO‑41

Features

• One‑directional protection for DC supply lines

• High 400W transient absorption capability

• Ultra‑fast suppression response

• Low leakage for stable DC rail operation

• Strong clamping efficiency for switching spikes

• Durable DO‑41 axial package

Applications

• DC power rails & DC bus protection

• Microcontroller & logic power inputs

• Sensor and instrumentation protection

• Industrial electronics exposed to surges

• Automotive DC accessory lines