Catalog > Semiconductors > Discrete Semiconductors > Transistors Bipolar Junction Transistor Bipolar Junction Transistor Darlington 2SD837 N-DARL 60V 4A 40W 4.23 ZAR inc for 1 Each 0 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 40A