UMT2222A / SST2222A / MMST2222A is an NPN medium power transistor used for switching applications. It has high voltage capability and complementary models.
The UMT2222A, SST2222A, and MMST2222A are NPN medium‑power transistors intended for switching applications. The document provides package information, absolute maximum ratings, and detailed electrical characteristics.
Key specifications include a collector‑emitter breakdown voltage of 40 V, collector current up to 0.68 A, and a transition frequency of 300 MHz. The datasheet also contains characteristic curves and notes on proper usage and safety considerations.
| Collector‑emitter breakdown voltage (BVceo) | 40 V |
|---|---|
| Collector‑base breakdown voltage (BVcbo) | 75 V |
| Emitter‑base breakdown voltage (Vebo) | 6 V |
| Maximum collector current (Ic) | 0.68 A |
| Power dissipation (Pd) | 0.36 W |
| Maximum junction temperature (Tj) | 150 °C |
| Storage temperature range | -55 °C to +150 °C |
| Transition frequency (ft) | 300 MHz |
The collector‑emitter breakdown voltage is 40 V.
The transistors can handle up to 0.68 A of collector current.
They can be stored from –55 °C up to +150 °C.