BF820, BF822 are NPN silicon epitaxial planar transistors, especially suited for application in class-B video output stages of TV receivers and monitors.
This document is a technical datasheet for the General Semiconductor BF820 and BF822, which are NPN silicon epitaxial planar transistors packaged in SOT-23 plastic cases. These devices are specifically designed for use in class-B video output stages of TV receivers and monitors.
The datasheet provides comprehensive electrical characteristics and maximum ratings for both models at 25 °C ambient temperature. Key specifications include a collector-base voltage rating up to 300 V, a peak collector current of 100 mA, and a DC current gain (hFE) ranging from 50 upwards depending on the specific model.
| Package Type | SOT-23 Plastic Package |
|---|---|
| Transistor Type | NPN Silicon Epitaxial Planar Transistors |
| Collector-Base Voltage (BF820) | 300 V |
| Collector-Emitter Voltage (BF820) | 300 V |
| Peak Collector Current | 100 mA |
| DC Current Gain (hFE) | Min. 50 |
They are especially suited for application in class-B video output stages of TV receivers and monitors.
The recommended complementary types are the PNP transistors BF821 and BF823.
The maximum junction temperature (Tj) is 150 °C.