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Question conector cartridge and microSD contacts electrical

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micksmelanie:
Video game cartridge PCB connector and microSD card connector and microSD card the 3 have gold contacts contact how many inserts are needed to remove this golden layer and render the cartridge, SD connector and microSD card useless?

Halcyon:
Hundreds, if not thousands? Probably less if it was cheap Chinese crap, but many decades worth if built properly.

micksmelanie:
I just want to know how many inserts and exits are supported by these 3 devices until the golden layer is exhausted and the devices are useless

I have SD HC card, MicroSD card, devices with microSD connector and SD HC connector, and Snes cartridges ex. SD2Snes Pro China all these products purchased on Aliexpress

ataradov:
Typically those connectors are rated for 5000 to 10000 insertions.

This is actually a parameter specified in the datasheet. So if you have the exact part number, then you can know for sure. If you don't know the part number, then lookup something similar to get the general idea.

amyk:
Even if the gold wears through to the copper they'll still work, just a little bit less reliably.
I don't think I've ever seen that happen... and the numbers ataradov gives show why.

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