IRFK4H350 International Rectifier - MOSFET Module

IRFK4H350 Description

IRFK4H350 is an isolated base power HEX-pak MOSFET assembly, parallel chip from International Rectifier, rated 400V, 50A.

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Summary of Features

Target Applications

International Rectifier IRFK4H350 is used for high-frequency power switching in switch mode power supplies, DC-DC converters, battery-powered vehicles and equipment, welding machines and induction heating.

Key Specifications

IRFK4H350 is an isolated base power HEX-pak MOSFET assembly, parallel chip from International Rectifier, rated 400V, 50A. Source: manufacturer datasheet.

Parameter	Value
Manufacturer	International Rectifier
Drain-source voltage VDS	400 V
Continuous drain current ID (TC = 25 °C)	50 A
ID (TC = 100 °C)	32 A
Pulse drain current IDM	200 A
On-resistance RDS(on)	75 mΩ
Max. power dissipation	500 W
Isolation voltage	2.5 kV rms, circuit to base
Configuration	Parallel chip
Package	HEX-pak (TO-240), 140 g
Datasheet	Available on this page (PDF)

Note: data taken from the International Rectifier datasheet of IRFK4H350 / IRFK4J350 (H = fast switching), which covers IRFK4H350.

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