The peak forward voltage is 1.1 according to the datasheets.This device consumes about 1 continuous forward current at any given time.To operate, a DC reverse voltage less than 400 must be used.
MPG06G-E3/4 Features
the forward peak voltage is 1.1
MPG06G-E3/4 Applications
There are a lot of Vishay MPG06G-E3/4 applications of RF diodes.