QSX5 is a low frequency amplifier driver with large collector current and low saturation voltage.
The QSX5 is a low‑frequency amplifier transistor designed for driver applications. It offers low saturation voltage and high current gain, making it suitable for audio‑visual, office‑automation, and communications equipment.
Key specifications include a collector‑emitter voltage of 12 V, collector current up to 2 A, typical VCE(sat) of 180 mV at 1 A, hFE ranging from 270 to 680, and a transition frequency up to 360 MHz. The device is supplied in a QSX5TR 3000 package and includes detailed characteristic curves for design reference. This manual is written in Chinese.
| Collector‑emitter voltage (VCEO) | 12 V |
|---|---|
| Collector‑base voltage (VCBO) | 15 V |
| Saturation voltage VCE(sat) | 180 mV (IC=1 A, IB=50 mA) |
| DC current gain (hFE) | 270 – 680 |
| Transition frequency (fT) | up to 360 MHz |
| Power dissipation (PD) | 3500 mW |
| Package type | QSX5TR 3000 |
The QSX5 can withstand a collector‑emitter voltage of 12 V.
Typical VCE(sat) is 180 mV when the collector current is 1 A and base current is 50 mA.
The DC current gain (hFE) ranges from 270 to 680.
The QSX5 is supplied in a QSX5TR 3000 type package.