MIL-PRF-19500-585 Semiconductor Device, Diode, Silicon, Ultra-Fast Recovery, Power Rectifier, 1N6620 Through 1N6625, 1N6620U Through 1N6625U, 1N6620Us Through 1N6625Us, Jan, Jantx, Jantxv, And JansThis specification covers the performance requirements for a silicon, ultra-fast recovery, semiconductor power rectifier diode. Four levels of product assurance are provided for each device type as specified in MIL-PRF-19500.