The datasheets state that the peak forward voltage is 0.5.A continuous forward current of about 20 can be consumed by this device at any given time.In order to operate, you will need a DC reverse voltage less than 36.
SK2045CD2-3G Features
the forward peak voltage is 0.5
SK2045CD2-3G Applications
There are a lot of Diotec Semiconductor AG SK2045CD2-3G applications of RF diodes.