The peak forward voltage is 0.95 in the datasheets.A continuous forward current of about 6@Ta=60C is consumed by this device at all times.DC reverse voltage less than 400 is required.Keep the forward voltage above 950 mV at all times.
6A40 R0 Features
the forward peak voltage is 0.95
6A40 R0 Applications
There are a lot of Taiwan Semiconductor 6A40 R0 applications of RF diodes.