MIL-PRF-19500-144 Semiconductor Device, Diode, Silicon, Switching, Types 1N4454-1, 1N4454Ur-1, 1N4454Ub, 1N4454Ubca, 1N4454Ubcc, 1N4454Ubd, 1N3064, 1N4532, Jan, Jantx, Jantxv, Janhc, And JankcThis specification covers the performance requirements for silicon, diffused, switching diodes. Three levels of product assurance are provided for each device type as specified in MIL-PRF-19500.