MIL-PRF-19500-498 Semiconductor Device, Translator, Npn, Silicon, Power Types 2N6306, 2N6306T1, 2N6306T3, 2N6308, 2N6308T1, 2N6308T3, Jan, Jantx And JantxvThis specification covers the performance requirements for NPN silicon, power transistors. Three levels of product assurance are provided for each device type as specified in MIL-PRF-19500.