QSX2 is a NPN type medium power transistor produced by ROHM. This type of transistor has the characteristics of large power, low saturation voltage, small on-resistance, etc., and is suitable for medium power driving circuits.
The QSX2 is a middle‑power NPN transistor designed for driver applications such as motor and LED drivers. It offers a collector‑emitter voltage of 30 V, a continuous collector current of 5 A, and is RoHS‑compliant.
The datasheet lists absolute maximum ratings, detailed electrical characteristics (including gain, breakdown voltages, and transition frequency), characteristic curves, and package dimensions. It also includes a notice with safety and usage guidelines.
| Collector‑emitter voltage (VCEO) | 30 V |
|---|---|
| Collector‑base voltage (VCEO) | 30 V |
| Emitter‑base voltage (VBE) | 6 V |
| Continuous collector current (IC) | 5.0 A |
| Pulsed collector current | 8.0 A |
| Power dissipation | 1.25 W |
| Junction temperature (Tj) | 150 °C |
| Transition frequency (fT) | 100 MHz |
| DC current gain (hFE) | 270‑680 |
The maximum collector‑emitter voltage is 30 V.
The device can handle a continuous collector current of 5.0 A.
Yes, the QSX2 is lead‑free and RoHS compliant.