In the datasheets, 1@1A is stated as the peak forward voltage.A continuous forward current of 2 is the maximum consumption of this device.RF diode is necessary to operate the device at a DC reverse voltage below 600.
BYW54-E3/54 Features
the forward peak voltage is 1@1A
BYW54-E3/54 Applications
There are a lot of Vishay BYW54-E3/54 applications of RF diodes.