QM400HA-24S Mitsubishi - Power Transistor Module

QM400HA-24S Description

Rated at 1200 V and 400 A, the Mitsubishi Electric QM400HA-24S is 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.

We help engineers and repair technicians find parts like the QM400HA-24S, including obsolete ones. Send a quick RFQ for current pricing and delivery. Before ordering, please confirm ratings and pin-out with the official datasheet.

Target Applications

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

Key Specifications