The peak forward voltage is 1.3 according to the datasheets.This device consumes about 3@Ta=55C continuous forward current at any given time.To operate, a DC reverse voltage less than 1000 must be used.
FR307-STR Features
the forward peak voltage is 1.3
FR307-STR Applications
There are a lot of EIC Semiconductor FR307-STR applications of RF diodes.