Catalog > Semiconductors > Discrete Semiconductors > Transistors Bipolar Junction Transistor Bipolar Junction Transistor BF979 SI-P 20V 50mA 0.3W 1.75GHz Call for Price Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Additional Information Polarity PNP Material Silicon Power Dissipation 0.3A