The datasheets indicate that the peak forward voltage is 1.5.At any given time, this device consumes about 0.5@Ta=55C continuous forward current.The DC reverse voltage must be less than 1600.
GHR16-E3/53 Features
the forward peak voltage is 1.5
GHR16-E3/53 Applications
There are a lot of Vishay GHR16-E3/53 applications of RF diodes.