According to the datasheets, the peak forward voltage is 1.1 volts.RF diode consumes approximately 1 in continuous forward current at any given moment.For operation, a DC reverse voltage less than 800 must be applied.
S1K-K R3G Features
the forward peak voltage is 1.1
S1K-K R3G Applications
There are a lot of Taiwan Semiconductor S1K-K R3G applications of RF diodes.