Catalog > Semiconductors > Discrete Semiconductors > Transistors Bipolar Junction Transistor Bipolar Junction Transistor 2N5109 SI-N 40V 0.5A 2.5W 1.5GHz 40.87 ZAR inc for 1 Each 13 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 2.5A