[sdiy] Amphenol edge card connector sides touch?

Nathan Trites nathan at idmclassics.net
Mon Mar 21 17:20:32 CET 2022

I used Amp 225-22821-401 on my clone build - I believe the main difference
is that this is a black body gold version and of the 5 connectors I got,
they ranged from definitely touching to barely touching. IIRC, I inserted a
card and adjusted the leads on the solder side so they could settle into
place safely with no card inserted. If the original doesn't connect the
slot to the PCB in the same way (connector + linking PCB + connector) I'd
be scared of them shorting if the solder leads aren't secured in place


On Sat, Mar 19, 2022 at 9:02 AM mark verbos via Synth-diy <
synth-diy at synth-diy.org> 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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