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Keystone 1071 Battery Clip Solder Problem

cuculi54986@yahoo.com

#34699

Keystone 1071 Battery Clip Solder Problem | 2 June, 2005

Does anyone else use the Keystone 1071 battery clip?

http://www.keyelco.com/kec/standpro/specpage/spec140.htm

I have been having a seemingly strange problem reflow soldering this battery clip. The negative lead always solders fine and looks beautiful, the positive lead looks like it is insufficient and we have had some non-soldered joints --- only on the positive side. The pads on the PCB are within Keystone's recommendations, a bit larger than their minimum size recommendations.

I suspect that the leads are damaged due to bulk-bag packaging (even though they are fairly robust). The positive terminal is less protected by the housing than the negative terminal.

Has anyone experienced a similar problem?

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#34706

Keystone 1071 Battery Clip Solder Problem | 2 June, 2005

Your link doesn't download. "1071" is not a valid part number on Keystone's site. "Battery clip" is not a valid part name on Keystone's site.

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Rob

#34709

Keystone 1071 Battery Clip Solder Problem | 3 June, 2005

http://www.keyelco.com/pdfs/prod03-coinholders.pdf

Bottom of page 2 of 3.

There is a reasonably large heatsink function on one of the pins due to the size of the Anode/battery spring clip.

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#34722

Keystone 1071 Battery Clip Solder Problem | 3 June, 2005

Rob,

The first thing I checked was the profile, just for that reason. We've profiled the board with thermocouples on both sides of the battery clip and the profile looks good.

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