BDT81 Description
NPN BDT81 BDT83 BDT85 BDT87 SILICON POWER TRANSISTORS The BDT81 BDT83 BDT85 BDT87 are epitaxial base transistors in a TO-220 plastic envelope. They are intended for use in audio output stages and general amplifier and switching appications. PNP plements are BDT82 BDT84 BDT86 BDT88.