According to the datasheets, the peak forward voltage is 0.55 volts.RF diode consumes approximately 1 in continuous forward current at any given moment.For operation, a DC reverse voltage less than 30 must be applied.
SR103 R0 Features
the forward peak voltage is 0.55
SR103 R0 Applications
There are a lot of Taiwan Semiconductor SR103 R0 applications of RF diodes.