The peak forward voltage is 1.15 in the datasheets.A continuous forward current of about 5 is consumed by this device at all times.DC reverse voltage less than 1000 is required.Keep the forward voltage above 1.15 V at all times.
S5M R6 Features
the forward peak voltage is 1.15
S5M R6 Applications
There are a lot of Taiwan Semiconductor S5M R6 applications of RF diodes.