I have this HP 0950-4404 AC Power Adapter, from a discarded printer, that I want to re-purpose. I'd rather keep the connector intact and buy a jack that it fits. I can't find anything online about it. It looks like a Molex connector of some kind with the usual pins and sockets. Does anyone know what this is?
OK, I contacted Molex and I found out that this is a Molex Mini Fit 3-pin connector custom-made part because the polarization is different from the standard Mini Fits. I asked which part number most closely resembled this one and was told Part Number: 39-01-4032, Mini-Fit Jr.™ Plug Housing, Single Row with Panel Mount Ears
I ordered some samples and this fits amazingly well. It has 2 square holes but they fit the mating 'pins' well. I had to cut in a groove to accomodate the key and I had to file down the lock tab so it could be disassembled without having to use a finger to lift the tab. So I have all the functionality of the original connector.
So it looks like
Michael Kjörling were right about the general type of connector. Thank you.