In the datasheets, 1.3 is stated as the peak forward voltage.A continuous forward current of 1@Ta=55C is the maximum consumption of this device.RF diode is necessary to operate the device at a DC reverse voltage below 660.
1N4946USE3 Features
the forward peak voltage is 1.3
1N4946USE3 Applications
There are a lot of Microsemi 1N4946USE3 applications of RF diodes.