According to the datasheets, the peak forward voltage is 1.1 volts.RF diode consumes approximately 1@Ta=75C in continuous forward current at any given moment.For operation, a DC reverse voltage less than 400 must be applied.
DL4004-TP13 Features
the forward peak voltage is 1.1
DL4004-TP13 Applications
There are a lot of Micro Commercial Components DL4004-TP13 applications of RF diodes.