New pcb design for S-100 prototype board available
cclist at sydex.com
Mon Jun 4 13:42:52 CDT 2007
On 4 Jun 2007 at 10:21, Grant Stockly wrote:
> I buy the same edge card connectors that MITS bought, minus one part number
> digit because I am buying non gold plated pins. The contacts are gold
> plated. If I buy 10 from DigiKey they are $14-$15. If I buy direct from
> the company they are $17-$20. : )
I learned that the rule was "gold against gold" and "tin against tin"
for edge connectors and IC sockets. Otherwise, there would be
galvanic corrosion between the tinned and gold surfaces, particularly
in high-humidity environments.
Is this not true?
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