Transistor PNP Silicon 100V 30A TO-3 Case High Power Audio AMP Complement To NTE181
 
The NTE180 (PNP) and NTE181 (NPN) are silicon complementary transistors in a TO3 type case designed for use as output devices in complementary audio amplifiers to 100 watts music power per channel.
 
Full spec sheet:
https://www.nteinc.com/specs/100to199/pdf/nte180.pdf