The peak forward voltage is 1.6 in the datasheets.A continuous forward current of about 1.5 is consumed by this device at all times.DC reverse voltage less than 1000 is required.
BYG21MHR2G Features
the forward peak voltage is 1.6
BYG21MHR2G Applications
There are a lot of Taiwan Semiconductor BYG21MHR2G applications of RF diodes.