QM20TD-9Mitsubishi - Power Transistor Module
QM20TD-9 Description
The Mitsubishi Electric QM20TD-9 is a Darlington transistor module rated at 600 V and 20 A, available from USComponent. Typical applications for this type of device include motor drives, UPS systems and power supplies; transistor modules of this type are largely superseded by IGBTs in new designs but remain essential for maintaining installed equipment.
USComponent, a BBB A+ accredited business, helps engineers and maintenance teams source power semiconductors and industrial components, including older and hard-to-find part numbers. Please confirm ratings, package and pin-out against the manufacturer's datasheet before ordering, and request a quote for current pricing and lead time on the QM20TD-9.
Summary of Features
QM20TD-9 is a 20 A power transistor (bipolar Darlington) module.
Target Applications
Mitsubishi QM20TD-9 is used for motor drives and inverters, servo amplifiers, UPS systems, welding machines and other industrial power switching equipment.
Key Specifications
QM20TD-9 is a 20 A power transistor (bipolar Darlington) module. Source: manufacturer datasheet.
| Parameter | Value |
|---|---|
| Product type | Power transistor (bipolar Darlington) module |
| Collector current (IC) | 20 A |
| Datasheet | Available on this page (PDF) |

