According to the datasheets, the peak forward voltage is 1.15.The maximum continuous forward current that this device consumes at any given time is about 2.A DC reverse voltage less than 1400 must be used for operation.
S2V R5G Features
the forward peak voltage is 1.15
S2V R5G Applications
There are a lot of Taiwan Semiconductor S2V R5G applications of RF diodes.