The peak forward voltage is 1.3 according to the datasheets.This device consumes about 1@Ta=50C continuous forward current at any given time.To operate, a DC reverse voltage less than 300 must be used.
HER104G-T Features
the forward peak voltage is 1.3
HER104G-T Applications
There are a lot of Rectron HER104G-T applications of RF diodes.