Electronics > Beginners

Connecting wires to these terminals?

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elroy:
I just bought an International Power IHBAA-40W linear power supply, and need to connect wires to the output posts:



Are these posts designed to be soldered to? Or is there some slicker way to connect wires to them?

Zero999:
Soldering could unsolder the posts from the board, if it's not done with a lot of care.

How about wire wrap? If done properly, it can be more reliable than solder.

ataradov:
I think those things are called turned terminals and are supposed to be soldered. There is no corresponding female connector.

And I'm not sure what to do about desoldering from the PCB, but if you google "turned terminals", you will find manufacturers of those things, I bet they have recommendations.

EDIT: Although Harwin has this text on their page "Turreted lugs available in 1, 2 and 3 wirewrap level versions.". So this implies that upper part is for wire wrap. But that seems strange without special tools.

johnkenyon:

--- Quote from: Zero999 on May 19, 2019, 07:25:42 am ---Soldering could unsolder the posts from the board, if it's not done with a lot of care.

--- End quote ---

The terminals may be press fit+soldered, or even rivetted+soldered - so soldering may not be that difficult for the average person.

A picture of the track side of the PCB should reveal more.

tooki:
Those look like solder turrets, in which case they’re designed to be soldered to. This video explains it:

https://youtu.be/Mrhg5A1a1mU


The only thing that’s odd is that they’re hollow. Is it a 2-2.6mm or 4mm hole? If so, maybe they’re intended to accept banana or mini-banana plugs.

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