The datasheets state that the peak forward voltage is 0.95.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 50.When used with this device, the maximum output current voltage can be read to be 20 A.
JANS1N5812R Features
the forward peak voltage is 0.95 a maximum output current voltage of 20 A
JANS1N5812R Applications
There are a lot of Sensitron Semiconductor JANS1N5812R applications of RF diodes.