QST5 Transistors Product Specification, This product is suitable for low frequency amplifier, with large collector current and low voltage drop characteristics
The QST5 is a low‑frequency amplifier transistor offering a large collector current and low saturation voltage, suitable for driver applications. This datasheet provides absolute maximum ratings, electrical characteristics, equivalent circuit details, and packaging information.
Key data include collector‑emitter saturation voltage, current gain range, transition frequency, and breakdown voltages, along with characteristic curves for design reference. This manual is written in Chinese.
| Maximum base current (IB) | -75 mA |
|---|---|
| Collector‑emitter saturation voltage (VCE(sat)) | max 370 mV |
| DC current gain (hFE) | 270 – 680 |
| Transition frequency (fT) | typical 280 MHz |
| Collector‑emitter breakdown voltage (BVCEO) | max -30 V |
The DC current gain ranges from 270 to 680.
The saturation voltage is up to 370 mV.