MIL-PRF-19500-356 Semiconductor Device, Diode, Silicon, Voltage Regulator, Types 1N4954 Through 1N4996, 1N5968, 1N5969,And 1N6632 Through 1N6637, 1N4954Us Through 1N4996Us, 1N5968Us, 1N5969Us, And 1N6632Us Through 1N6637Us, And C And D Tolerance Suffix Devices, Jan, Jantx, Jantxv, Jans, Janhc, And JankcThis specification covers the performance requirements for silicon, voltage regulator diodes. Four levels of product assurance are provided for each encapsulated device type as specified in MIL-PRF-19500, and two levels of product assurance for each unencapsulated device type die.