In the datasheets, 1@2A is stated as the peak forward voltage.In order to operate efficiently, this device should have a peak RMS reverse voltage range of 700.The maximum peak reverse voltage for this device is 1 kV, according to the applicable device specifications.
GBU4M-BPC01 Features
the forward peak voltage is 1@2A the peak RMS reverse voltage range of 700
GBU4M-BPC01 Applications
There are a lot of Micro Commercial Components GBU4M-BPC01 applications of RF diodes.