RF diode is recommended to keep the forward voltage of the system above 500mV.In this case, we are referring to the capacitance which is 1pF.There is a current rating of 1A for this part.
HSMS-282F-BLKG Features
1pF capacitance
HSMS-282F-BLKG Applications
There are a lot of Broadcom Limited HSMS-282F-BLKG applications of RF diodes.