At 03:01 PM 9/13/2004 -0700, you wrote:
>What's the best all-around material for battery contacts, with regard to
>insertion cycles, contact resistance, and corrosion resistance?
>
>Thanks,
>
>Bob

I agree with the gold over nickel on phosphor-bronze. Without the gold
(just nickel plate) is pretty good too. Silver has serious corrosion problems
in some environments and a lot of cheap holders use something more like brass,
for the spring- and once it gets bent past the elastic limit it becomes
unreliable. My old Kodak digital camera (made by Chinon) has about the best
AA battery holder I've seen (custom, of course). If you drop the battery in,
it will bounce up about 1/3 of its length.

Best regards,

Spehro Pefhany --"it's the network..."            "The Journey is the reward"
speff@interlog.com             Info for manufacturers: http://www.trexon.com
Embedded software/hardware/analog  Info for designers:  http://www.speff.com




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