QM300DY-2HB Mitsubishi - Power Transistor Module

QM300DY-2HB Description

The QM300DY-2HB from Mitsubishi Electric is a Darlington transistor module with a 1000 V / 300 A rating. Modules of this type were widely used in motor drives, UPS units and power supplies, and many are still running in older equipment today.

We help engineers and repair technicians find parts like the QM300DY-2HB, 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 QM300DY-2HB is used for motor drives and inverters, servo amplifiers, UPS systems, welding machines and other industrial power switching equipment.

Key Specifications

QM300DY-2HB is a 300 A power transistor (bipolar Darlington) module. Source: manufacturer datasheet.

Parameter	Value
Product type	Power transistor (bipolar Darlington) module
Collector current (IC)	300 A
Datasheet	Available on this page (PDF)

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