Datasheets indicate 1.3 as the peak forward voltage.RF diode consumes about 2 continuous forward current at any given time.RF diode must be operated wRF diodeh a DC reverse voltage less than 600 V.
UG2JA F3 Features
the forward peak voltage is 1.3
UG2JA F3 Applications
There are a lot of Taiwan Semiconductor UG2JA F3 applications of RF diodes.