MIL-PRF-19500-456 Semiconductor Device, Transistor, Npn, Silicon, High-Power Type 2N5302 And 2N5303, Jan, Jantx, Jantxv, And JansThis specification covers the performance requirements for NPN, silicon, high-power transistors. Four level of product assurance are provided for each device type as specified in MIL-PRF-19500.