The 2SAR542D is a medium power PNP transistor produced by ROHM. Its features are low saturation voltage (maximum -0.4V) and fast switching speed. It is mainly used for driver circuits.
The ROHM 2SAR542D is a medium‑power PNP silicon epitaxial planar transistor. The datasheet lists its structure, key features such as low saturation voltage and high‑speed switching, and typical application areas like driver circuits.
Technical details include packaging (CPT3), absolute maximum ratings, electrical characteristics, and characteristic curves. The document also contains a switching‑time test circuit and legal notice regarding use and reproduction.
| Collector‑base voltage (Vcbo) | -30 V |
|---|---|
| Emitter‑base voltage (Vebo) | 6 V |
| Collector current (Ic) | -2 A |
| Power dissipation (Pd) | 1 W |
| Junction temperature (Tj) | 150 °C |
| Storage temperature range (Tstg) | -55 to 150 °C |
| Package type | CPT3 |
The device can dissipate up to 1 W.
It can be stored from –55 °C to 150 °C.
It is supplied in a CPT3 package.