QM300HH-24 Mitsubishi - Power Transistor Module
QM300HH-24 Description
QM300HH-24 is a 1200 V, 300 A Darlington transistor module made by Mitsubishi Electric. You will mostly see it in older AC drives, servo amplifiers and UPS systems, where a like-for-like replacement keeps the machine running.
USComponent (Young & New Century LLC) supplies power modules, thyristors, diodes and other industrial components, including legacy parts. Contact us for a quote on the QM300HH-24, and please confirm ratings against the datasheet before ordering.
Summary of Features
GTR/1U
Target Applications
Mitsubishi QM300HH-24 is used for AC motor controllers, UPS, CVCF, DC motor controllers, NC equipment, Welders.
Key Specifications
| Manufacturer | Mitsubishi Electric |
| Category | Power Transistor Module |
| Rated voltage | 1200 V |
| Rated current | 300 A |
Related Part Numbers
| QM300HH-24H 1200V, 300A | QM300HH-2H 1000V, 300A | QM300DY-24 1200V, 300A | QM300HA-24B 1200V / 300A |
| QM300HA-24 1200V, 300A | QM300DY-24B 1200V, 300A | QM300HA-2H | QM300HA-2HB |
| QM300HA-H | QM300HA-H-KS624530 | QM300HA-HB | QM300HA-HK |
| QM300HA-HN | QM300HC-M | QM300HH-H | QM300DY-2H |

