In the datasheets, 0.41 is stated as the peak forward voltage.A continuous forward current of 3 is the maximum consumption of this device.RF diode is necessary to operate the device at a DC reverse voltage below 40.
SSL34 R6 Features
the forward peak voltage is 0.41
SSL34 R6 Applications
There are a lot of Taiwan Semiconductor SSL34 R6 applications of RF diodes.