The peak forward voltage is 1.3@9A according to the datasheets.This device consumes about 5 continuous forward current at any given time.To operate, a DC reverse voltage less than 1100 must be used.
GRP-A-DATA-JANTX1N5554 Features
the forward peak voltage is 1.3@9A
GRP-A-DATA-JANTX1N5554 Applications
There are a lot of Microsemi GRP-A-DATA-JANTX1N5554 applications of RF diodes.