Contact system and plating
The RCJ-027 is a female mono phono (RCA) jack from CUI Devices' RCJ series, carrying 2 conductors and 2 contacts with a 3.20 mm ID / 9.00 mm OD mating diameter. Contacts are brass with nickel plating; the body and shell are brass, silver-finished. A board lock holds the part during wave solder, and the operating range is -20°C to 85°C.
