According to the datasheets, the peak forward voltage is 1.3 volts.RF diode consumes approximately 1@Ta=75C in continuous forward current at any given moment.This device can read a maximum voltage of 1 A.
BYW27-400 Features
the forward peak voltage is 1.3 a maximum output current voltage of 1 A
BYW27-400 Applications
There are a lot of Diotec Semiconductor AG BYW27-400 applications of RF diodes.