The peak forward voltage is 0.975 in the datasheets.A continuous forward current of about 2.5 is consumed by this device at all times.DC reverse voltage less than 160 is required.
GRP-B-DATA-JANS1N5806US Features
the forward peak voltage is 0.975
GRP-B-DATA-JANS1N5806US Applications
There are a lot of Microsemi GRP-B-DATA-JANS1N5806US applications of RF diodes.