MIL-PRF-19500-420 Semiconductor Device, Diode, Silicon, Power, Rectifier, Types 1N5550 Through 1N5554, 1N5550Us Through 1N5554Us, Jan, Jantx, Jantxv, Jans, Janhca, Janhcb, Janhcc, Janhcd, Janhce, Jankca, Jankcd, And JankceThis specification covers the performance requirements for silicon, general purpose, semiconductor diodes. The diode is non cavity double plug construction, with high temperature metallurgical bonds \(category 1\) between both sides of the silicon die and terminal pins. Four levels of product assurance are provided for each encapsulated device type as specified in MIL-PRF-19500. Two levels of product assurance are provided for each unencapsulated device type.