BFQ31A is a SOT23 package NPN silicon planar VHF/UHF transistor with a maximum collector-emitter reverse voltage of 30V, a maximum collector-base reverse voltage of 15V, a maximum emitter-base reverse voltage of 3V, a maximum collector current of 100mA, a maximum base current of 50mA, and a maximum power dissipation of 330mW. The operating temperature range is -55℃ to +150℃.
The document is a datasheet for the Zetex BFQ31A, an NPN silicon planar transistor designed for VHF and UHF applications. It includes part marking details for variants BFQ31A and BFQ31AR.
The datasheet lists absolute maximum ratings, including collector-base voltage of 30V, collector-emitter voltage of 15V, and continuous collector current of 100mA. It also details electrical characteristics such as breakdown voltages, saturation voltages, transition frequency (600 MHz), and capacitance values measured at 25°C.
| Continuous Collector Current | 100 mA |
|---|---|
| Transition Frequency | 600 MHz |
| Operating Temperature Range | -55 to +150 °C |
The transition frequency is 600 MHz.
The maximum continuous collector current is 100 mA.
The power dissipation at Tamb=25°C is 330 mW.
The operating and storage temperature range is -55 to +150 °C.