According to the datasheets, the peak forward voltage is 0.95 volts.RF diode consumes approximately 3@Ta=55C in continuous forward current at any given moment.For operation, a DC reverse voltage less than 50 must be applied.
SF31-T Features
the forward peak voltage is 0.95
SF31-T Applications
There are a lot of Rectron SF31-T applications of RF diodes.