This document provides technical specifications for the Siemens BFQ 72, an NPN silicon RF transistor intended for use in low-distortion broadband amplifiers operating up to 2 GHz. The device features a hermetically sealed ceramic package and is available with HiRel/Mil screening and CECC-type certification (CECC 50002/263). It is designed to operate at collector currents ranging from 10 mA to 30 mA.
| Collector current (Ic) | 50 mA |
|---|---|
| Total power dissipation (Prot) | 350 mW |
| Junction temperature (Tj) | 175 °C |
| Transition frequency (ft) | 5.1 GHz |
| Collector-base capacitance (Cob) | 0.55 pF |
The maximum collector current rating is 50 mA.
The device is intended for use at collector currents from 10 mA to 30 mA.