According to the datasheets, the peak forward voltage is 0.9.The maximum continuous forward current that this device consumes at any given time is about 0.015.A DC reverse voltage less than 40 must be used for operation.
SD101CW-13-F Features
the forward peak voltage is 0.9
SD101CW-13-F Applications
There are a lot of Diodes Incorporated SD101CW-13-F applications of RF diodes.