Catalog > Semiconductors > Discrete Semiconductors > Transistors Bipolar Junction Transistor Bipolar Junction Transistor BC817-40 SI-N 50V 0.5A 0.25W 6C 0.79 ZAR inc for 1 Each 1530 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Additional Information Polarity NPN Material Silicon Power Dissipation 0.25A