The datasheets state that the peak forward voltage is 0.5.A continuous forward current of about 1 can be consumed by this device at any given time.In order to operate, you will need a DC reverse voltage less than 40.
SS14-E3/63T Features
the forward peak voltage is 0.5
SS14-E3/63T Applications
There are a lot of Vishay SS14-E3/63T applications of RF diodes.