The datasheets state that the peak forward voltage is 1.1.A continuous forward current of about 1@Ta=100C can be consumed by this device at any given time.In order to operate, you will need a DC reverse voltage less than 400.
GRP-DATA-JANTX1N3612 Features
the forward peak voltage is 1.1
GRP-DATA-JANTX1N3612 Applications
There are a lot of Semtech GRP-DATA-JANTX1N3612 applications of RF diodes.