2PCS DB25 Solderless Connector, RS232 D-SUB Serial to 25-pin Port Terminal Male Adapter Breakout Board with Case Long Bolts Nuts

Fit my need

Super handy to field wire a connector for testing when a permanent solder connection is not needed.

Years ago, I had to solder custom DB25 connectors from time to time. I thought the idea of screw terminals (new to me) would be a real boon. The Ambits includes all the pieces you need to create a tight and secure connector. The build quality is very good and when complete, it passed my continuity test first try. This was only four wires, so I figured this would be a quick build. However, there is something of a learning curve involved. First, the wire ends need to be trimmed and tinned. This connector was split out into two different wires, and I forgot that only the thin (22gague) internal wires can be exposed, but the insulation needs to be placed under the clamp. Also, the terminal arrangement with two blocks at 90º make it hard if your wires need to go into the corner. So, for this few wires, I'm not sure if a traditional solder connector would have been better. But as a screw-type, I think this is the best of the lot.

The pin numbers and GND silkscreen on the board were very helpful keeping track of which wire goes where. In my application Roboteq HDC-2460 motor controller I was unable to use the 25 pin and 9 pin connectors side by side with the shells on due to the narrow spacing between connectors. I was able to use them by removing both backshells.

Excelente producto, calidad y precio

I use these in my work, decent quality. Well worth it!

Quick connection and nice layout.

The device works, sort of. The terminal connections are good - the plastic case however doesn't offer much in the way of mounting the strain relief, and the thumb screws for securing to the port are incorrect. The thumb screw is supposed to be retained in the housing when loose - but the part of the thumb screw that does is unthreaded for that effect is too far back on the screw so you can't get there with the case properly assembled. Overall this product is mediocre at best - it will work for what I need but it won't be easy to use for regular connection and disconnection - and heaven help us if the cable gets tugged a bit.