MIL-PRF-19500-415 Semiconductor, Device, Transistor, Npn, Silicon, High-Power Types 2N2812 And 2N2814 Jan, Jantx, And JantxvThis specification covers the performance requirements for NPN, silicon, high-power transistors. Three levels of product assurance are provided for each encapsulated device type as specified in MIL-PRF-19500.