In the datasheets, 1.1@4A is stated as the peak forward voltage.In order to operate efficiently, this device should have a peak RMS reverse voltage range of 140.
NTE5313 Features
the forward peak voltage is 1.1@4A the peak RMS reverse voltage range of 140
NTE5313 Applications
There are a lot of NTE Electronics NTE5313 applications of RF diodes.