The peak forward voltage is 1.7 according to the datasheets.This device consumes about 1 continuous forward current at any given time.To operate, a DC reverse voltage less than 600 must be used.
UF1J-TP Features
the forward peak voltage is 1.7
UF1J-TP Applications
There are a lot of Micro Commercial Components UF1J-TP applications of RF diodes.