In the datasheets, 1.2@1A is stated as the peak forward voltage.A continuous forward current of 0.9 is the maximum consumption of this device.This device can read current voltages up to 0.9 A.
U1GC44 Features
the forward peak voltage is 1.2@1A a maximum output current voltage of 0.9 A
U1GC44 Applications
There are a lot of Toshiba U1GC44 applications of RF diodes.