QM50HA-HB Mitsubishi - Power Transistor Module

QM50HA-HB Description

The QM50HA-HB from Mitsubishi Electric is a Darlington transistor module with a 600 V / 50 A rating. You will mostly see it in older AC drives, servo amplifiers and UPS systems, where a like-for-like replacement keeps the machine running.

We help engineers and repair technicians find parts like the QM50HA-HB, including obsolete ones. Send a quick RFQ for current pricing and delivery. Before ordering, please confirm ratings and pin-out with the official datasheet.

Summary of Features

Target Applications

Mitsubishi QM50HA-HB is used for motor drives and inverters, servo amplifiers, UPS systems, welding machines and other industrial power switching equipment.

Key Specifications

QM50HA-HB is a 50 A power transistor (bipolar Darlington) module. Source: manufacturer datasheet.

Parameter	Value
Product type	Power transistor (bipolar Darlington) module
Collector current (IC)	50 A
Datasheet	Available on this page (PDF)

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