Catalog > Semiconductors > Discrete Semiconductors > Transistors Bipolar Junction Transistor Bipolar Junction Transistor BF421 SI-P 300V 0.1A 0.83W 0.79 ZAR inc for 1 Each 26667 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Additional Information Polarity PNP Material Silicon Power Dissipation 0.83A