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Is this one-piece battery-to-PCB "clip" standard (for easy replacement) or a custom piece? +PCB pad ? (discuss.tchncs.de)

submitted 1 year ago* (last edited 1 year ago) by [email protected] to c/[email protected]

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Hello,

No formal training, but do like to repair devices at home (and keep vintage electronics and computers going).

Yet another alkaline battery has leaked prodigiously into a device (after only a few months). A wall-mounted thermostat.

Is the sort of clip pictured, which contacts an AA battery negative terminal at one end, and seemed to just clamp onto a conductive trace at the edge of PCB at the other, an easy-to-find standard form (for replacement) or a custom piece?

It is quite corroded and even peeling, and suspect replacing the clip would be better than devising a work-around.

Visually searching through product photos on supplier websites (like Digi--- and Mous-- here in the US) has not been effective.

Thanks for any comment.

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[–] [email protected] 1 points 1 year ago

PS For future reference, does this sort of exposed PCB trace (pad?) used for electrical connection take solder well?

I can't tell if you have gold plate or just raw copper (probably gold. But in either case, yes, it is solderable. You can think a little bit about how they manufacture the boards. First the print on the green solder resist, then they dunk it into an electroplating bath for a gold finish, or a dunk it in solder for HASL. It would be a lot of trouble to go through (=$$$) to individually mask off that part of the board for some special process.