There is no limit to how much current can be applied to this device at 1A.RF diode operates at a maximum reverse voltage of 100V in accordance wRF diodeh the device specifications.
HSMP-3880-BLKG Features
from a maximum current of 1A volts
HSMP-3880-BLKG Applications
There are a lot of Broadcom Limited HSMP-3880-BLKG applications of RF diodes.