The peak forward voltage is 1.3 according to the datasheets.This device consumes about 0.5@Ta=55C continuous forward current at any given time.To operate, a DC reverse voltage less than 400 must be used.
05H5-W Features
the forward peak voltage is 1.3
05H5-W Applications
There are a lot of Rectron 05H5-W applications of RF diodes.