According to the datasheets, the peak forward voltage is 1 volts.RF diode consumes approximately 1 in continuous forward current at any given moment.For operation, a DC reverse voltage less than 200 must be applied.
HS1D-K M2G Features
the forward peak voltage is 1
HS1D-K M2G Applications
There are a lot of Taiwan Semiconductor HS1D-K M2G applications of RF diodes.