MIL-PRF-19500-505 Semiconductor Device, Darlington Transistor, Pnp, Silicon, Power, Types 2N6286 And 2N6287, Jan, Jantx, And JantxvThis specification covers the performance requirements for PNP, Darlington, power transistors. Three levels of product assurance are provided for each encapsulated device type as specified in MIL-PRF-19500.