The peak forward voltage is 0.95 according to the datasheets.This device consumes about 6@Ta=60C continuous forward current at any given time.To operate, a DC reverse voltage less than 200 must be used.
6A20R0 Features
the forward peak voltage is 0.95
6A20R0 Applications
There are a lot of Taiwan Semiconductor 6A20R0 applications of RF diodes.