MIL-PRF-19500-540 Semiconductor Device, Darlington Transistor, Pnp Silicon, Power, Types 2N6298 And 2N6299, Jan, Jantx, And JantxvThis specification covers the performance requirements for PNP, Darlington, silicon, power transistors. Three levels of product assurance is provided for each device type as specified in MIL-PRF-19500.