QSX1 is a general purpose amplifier produced by ROHM. It can be used for low frequency amplification. Its features are large collector current and low collector saturation voltage.
The QSX1 is a general‑purpose amplification transistor rated for up to 15 V collector‑base voltage and 10 A collector current. It features low collector saturation voltage and high current gain, making it suitable for low‑frequency amplifier applications.
The datasheet includes absolute maximum ratings, electrical characteristics, packaging details, and application notes, along with legal and export‑control information from ROHM Co., Ltd.
| Collector‑base voltage (VCB) | 15 V |
|---|---|
| Collector‑emitter voltage (VCE) | 12 V |
| Emitter‑base voltage (VEB) | 6 V |
| Power dissipation | 1.25 W |
| Junction temperature (Tj) | 150 °C |
| Transition frequency (ft) | 250 MHz |
| DC current gain (hFE) | 270 – 680 |
| Collector output capacitance | 80 pF |
| Package type code | TR |
| Basic ordering unit | 3000 pieces |
The QSX1 can withstand up to 15 V between collector and base.
The transition frequency is specified as 250 MHz.