MIL-PRF-19500-625 Semiconductor, Device, Diode, Silicon, Switching Types 1N6683, 1N6684, 1N6685, In6683Us, 1N6684Us, And 1N6685Us Jan, Jantx, Jantxv, Jans, Janhc, And JankcThis specification covers the performance requirements for switching diodes, suitable for high stress environments where silver button construction may be inadequate \(see 6.3\).