The peak forward voltage on the datasheets is 0.7.Normally, this device consumes about 1 of continuous forward current.During operation, DC reverse voltage must not exceed 50.
SGL41-50-HE3/46 Features
the forward peak voltage is 0.7
SGL41-50-HE3/46 Applications
There are a lot of Vishay SGL41-50-HE3/46 applications of RF diodes.