The peak forward voltage is 0.63 in the datasheets.A continuous forward current of about 16 is consumed by this device at all times.DC reverse voltage less than 45 is required.
MBRB1645HE3_B/I Features
the forward peak voltage is 0.63
MBRB1645HE3_B/I Applications
There are a lot of Vishay MBRB1645HE3_B/I applications of RF diodes.