MIL-PRF-19500-590 Semiconductor Device, Diode, Silicon, Ultrafast Recovery, Power Rectifier, 1N6626 Through 1N6631, 1N6626U Through 1N6631U, 1N6626Us Through 1N6631Us, Jan, Jantx, Jantxv, And JansThis specification covers the performance requirements for a silicon, ultrafast recovery, semiconductor power rectifier diode. Four levels of product assurance are provided for each device type as specified in