In accordance with the datasheets, the forward peak voltage is 0.55.Approximately 20 is the maximum continuous forward current consumed by this device at any given time.The DC reverse voltage used for operation must be less than 45.
SK20H45 R0 Features
the forward peak voltage is 0.55
SK20H45 R0 Applications
There are a lot of Taiwan Semiconductor SK20H45 R0 applications of RF diodes.