[sdiy] Amphenol edge card connector sides touch?

Oren Leavitt obl64 at ix.netcom.com
Sat Mar 19 17:35:36 CET 2022


Yes. The terminal pairs normally short on these type connectors when 
cards are removed. At least all that I've seen. Power supply lines are 
usually connected with same voltage on each terminal pair or one side 
not connected.

Best bet may be to put a dummy card in unused connectors.

- Oren

On 3/19/22 8:02 AM, mark verbos via Synth-diy wrote:
> Hi there,
>
> I have a Buchla 208 I built from parts from Buchla’s garage sale. I used the proper (expensive as hell) Amphenol 225-22821-110 edge card connector for the card slot on the front panel. The pins from the two sides are touching each other when no card is installed, causing the module to short power out. Is this normal for these connectors? Is there a way to stretch it out? Anyone have experience with this?
>
>
> Mark
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