The NTE36 (NPN) and NTE37 (PNP) are silicon complementary transistors in a TO3P type case designed for AF power amplifier and high current switching applications.
Full spec sheet:
https://www.nteinc.com/specs/10to99/pdf/nte36.pdf
NTE37 PNP - 160V 12A TO-3P Audio Power AMP / High Current Switch
SKU: NTE37
$5.18Price