MIL-PRF-19500-515 Semiconductor Device, Transistor, Pnp, Silicon, Power, Types 2N6378 And 2N6379, Jan, Jantx, Jantxv, And JanhcThis specification covers the performance requirements for PNP silicon, power transistors. Three levels of product assurance are provided for each encapsulated device type as specified in MIL-PRF-19500, and one level of product assurance for each unencapsulated device type.