QM400HA-24B Mitsubishi - Power Transistor Module

QM400HA-24B Description

Mitsubishi Electric makes the QM400HA-24B, a 1200 V, 400 A Darlington transistor module. It was a workhorse in drives and power supplies before IGBTs took over, and it is still needed to repair that equipment.

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Summary of Features

Target Applications

Mitsubishi QM400HA-24B is used for motor drives and inverters, servo amplifiers, UPS systems, welding machines and other industrial power switching equipment.

Key Specifications

QM400HA-24B is a 400 A power transistor (bipolar Darlington) module. Source: manufacturer datasheet.

Parameter	Value
Product type	Power transistor (bipolar Darlington) module
Collector current (IC)	400 A
Datasheet	Available on this page (PDF)

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