MIL-PRF-19500-628 Semiconductor Device, Diode, Silicon, Ultra-Fast Recovery, Power Rectifier, 1N6690 Through 1N6693, 1N6690Us Through 1N6693Us Jan, Jantx, Jantxv, And JansThis specification covers the performance requirements for a silicon, ultra-fast recovery, semiconductor power rectifier diode. Three levels of product assurance are provided for each device type as specified in MIL-PRF-19500.