MIL-PRF-19500-580 Semiconductor Device, Transistor, Pnp, Silicon Amplifier, Types 2N4234, 2N4235, And 2N4236, Jan, Jantx, And JantxvThis specification covers the performance requirements for PNP, silicon, amplifier transistor. Three levels of product assurance are provided for each device type as specified in MIL-PRF-19500.