In the datasheets, 0.43 is stated as the peak forward voltage.A continuous forward current of 0.2 is the maximum consumption of this device.RF diode is necessary to operate the device at a DC reverse voltage below 40.A forward voltage of over 0.43(V) is recommended for the system.
RB551VM-40TE-17 Features
the forward peak voltage is 0.43
RB551VM-40TE-17 Applications
There are a lot of ROHM Semiconductor RB551VM-40TE-17 applications of RF diodes.