In the datasheets, 1.3 is stated as the peak forward voltage.A continuous forward current of 1@Ta=50C is the maximum consumption of this device.This device can read current voltages up to 1 A.
BY134 Features
the forward peak voltage is 1.3 a maximum output current voltage of 1 A
BY134 Applications
There are a lot of Diotec Semiconductor AG BY134 applications of RF diodes.