The datasheets state that the peak forward voltage is 1.4.A continuous forward current of about 1.5 can be consumed by this device at any given time.In order to operate, you will need a DC reverse voltage less than 200.
BYG20DHR3G Features
the forward peak voltage is 1.4
BYG20DHR3G Applications
There are a lot of Taiwan Semiconductor BYG20DHR3G applications of RF diodes.