The peak forward voltage is 1.19@40A according to the datasheets.This device can operate efficiently with a reverse voltage range of 280.Keeping the forward voltage of the system above 1.19(V) is recommended.This device operates at a maximum peak reverse voltage of 400 V according to its specifications.
NTE53504 Features
the forward peak voltage is 1.19@40A the peak RMS reverse voltage range of 280
NTE53504 Applications
There are a lot of NTE Electronics NTE53504 applications of RF diodes.