Datasheets indicate 1 as the peak forward voltage.RF diode consumes about 3@Ta=55C continuous forward current at any given time.RF diode must be operated wRF diodeh a DC reverse voltage less than 400 V.
UF5404-E3/4T Features
the forward peak voltage is 1
UF5404-E3/4T Applications
There are a lot of Vishay UF5404-E3/4T applications of RF diodes.