The datasheets state that the peak forward voltage is 1.1.A continuous forward current of about 1 can be consumed by this device at any given time.In order to operate, you will need a DC reverse voltage less than 800.
S1M-AQ Features
the forward peak voltage is 1.1
S1M-AQ Applications
There are a lot of Diotec Semiconductor AG S1M-AQ applications of RF diodes.