DC Barrel Power Jack/Connector DC power jack/connector. This is a common barrel-type power jack for DC wall supplies. These have a 5.5mm jack, with a 2.1mm center pole diameter. Datasheets: Datasheet Close Reviews Show more reviews… User photos Show more user photos… DC power jack/connector. This is a common barrel-type power jack for DC wall supplies. read more… Checking stock… COM1303 Satisfaction or refund guarantee Worldwide shipping via mail or courier View your cart or carry on browsing. Quantity: Add to cart View your cart or carry on browsing. Quantity: Pre-order Want to know when DC Barrel Power Jack/Connector is back in stock? Notify me Your e-mail address will not be used for any other purpose. When this product comes into stock we will e-mail you immediately! checking wishlist… Video introduction Guides & tutorials