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'[EE] Low-corrosion/oxidation solder'
I'm making a quick-and-dirty connector/contact that would connect a wire to an existing PCB pad (~3/8" x 1/4"). I've reduced the design to having another small piece of PCB touch the existing PCB pad, and at first I thought I'd wrap a piece of wire around the new PCB (such that the wire would touch the existing pad), but now thinking I can use a pad on the new PCB with a blob of solder on it to touch the existing pad.
Should I worry about oxidation? IIRC some bulb holders used solder as a contact and that works fine. This is a non-critical connection. Otherwise, is there a better solder I can use? Gold plating would not be easy/viable. This page ( http://en.wikipedia.org/wiki/Solder ) says that Sn63PbP is used for HASL, but I don't know where I can find this in wire form or low volume.
Alternatively, I can put a couple holes on the new PCB and solder a solid wire across it, such that that solid wire would be the contact. But a blob of solder would be much easier, and I need to make a few dozen of these.
I need the blob of solder, wire, or other to be about 0.01" to 0.03" thick, and I can't find any test-points low-profile enough.
Any other thoughts?
If reliability is key , use some gold plated scrap.
You could use gold plated pins , or pieces of gold-plated pcb
or pieces out of a gold plated connector.
Otherwise, solder is fine. You can use silver solder which is easy to get.
I'll be making the small PCB's (actually having them made), so there's no scrap to use. The pieces of the gold-plated connector sounds nice, but that's what I'm looking for -- something I can get from Digikey/Mouser that I can pull the connectors out of.
Quoting YES NOPE9 <nope9.com>:yes
How many are you making ? A few dozen ? If a limited number, I can mail you some connectors.
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