According to the datasheets, the peak forward voltage is 2.5.The maximum continuous forward current that this device consumes at any given time is about 20.A DC reverse voltage less than 600 must be used for operation.
BYC20X-600P Features
the forward peak voltage is 2.5
BYC20X-600P Applications
There are a lot of WeEn Semiconductors BYC20X-600P applications of RF diodes.