BFQ18A is a NPN type transistor produced by Philips. Its maximum working frequency can reach 4GHz.
This document is a product specification datasheet for the Philips BFQ18A, an NPN transistor designed as a 4 GHz wideband device. It is primarily intended for application in thick and thin-film circuits, specifically for MATV (Master Antenna Television) purposes.
The datasheet provides comprehensive technical data including quick reference parameters such as collector-base voltage, transition frequency, and intermodulation distortion. It also details limiting values, thermal resistance characteristics, DC current gain curves, package dimensions for the SOT89 envelope, and application notes regarding life support usage.
| Transition frequency (ft) | 4 GHz |
|---|---|
| Collector-base voltage (Vcso) | -25 V |
| Collector-emitter voltage (VcEO) | -18 V |
| DC collector current (Ico) | 150 mA |
| Feedback capacitance (Cre) | 1.2 pF |
| Package type | SOT89 |
No, these products are not designed for use in life support appliances or systems.
The maximum collector-emitter voltage is 18 V and the maximum collector-base voltage is 25 V.