When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Dell has a bunch of different DP/N for this PA-4E family model. They are all 7.4mm barrels and manufactured by either Delta, Liteon, Chicony, Flextronics.
If you require a specific Dell part number please contact me with your request. Thank you.
Documentation