Author Topic: Where to buy a (non-express) PCI straddle mount socket in 2023?  (Read 557 times)

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Offline blackbitTopic starter

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Where to buy a (non-express) PCI straddle mount socket in 2023?
« on: October 17, 2023, 08:16:48 am »
Subject says it all really.
Explanation of 'straddle mount' in case that's unclear: The socket is supposed to be mounted on a card edge. Think PCI extender, which is kind of my usecase.
I need such a connector for a small project and have spent way too much time searching for the part already.
The usual suspects Digikey, Mouser, Farnell, etc. still list some of part numbers from back in the day, but everything is zero stock.
Searches for obvious terms on eBay and whatnot came out dry as well.
I need very low quantity, frankly even a single one would already be helpful.

Options I've considered so far:
  • Purchase a PCI extender of some sort off of eBay and desolder the socket. Possible but likely messy. So many pins...
  • Beat a through-hole socket into submission. Possible but messy as well.

I am quite sure there must be NOS on a shelf somewhere, I just can't find any to buy.

Any pointers to NOS would be appreciated.
 

Online dmendesf

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Offline Someone

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Re: Where to buy a (non-express) PCI straddle mount socket in 2023?
« Reply #2 on: October 17, 2023, 11:04:13 am »
Right angle connector and/or flex PCB
 

Offline blackbitTopic starter

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Re: Where to buy a (non-express) PCI straddle mount socket in 2023?
« Reply #3 on: October 17, 2023, 11:10:14 am »
Nah, that's SMD.
Let me find a photo of what I have in mind.
 

Offline blackbitTopic starter

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Re: Where to buy a (non-express) PCI straddle mount socket in 2023?
« Reply #4 on: October 17, 2023, 11:21:38 am »
Like this.
 

Offline coromonadalix

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Re: Where to buy a (non-express) PCI straddle mount socket in 2023?
« Reply #5 on: October 17, 2023, 12:33:50 pm »
yes  its called pci extender ...  you straddle term is confusing  loll

you want the pci  connector slot ???

the right terminology / name is :  PCI Card Edge Connector - THT - 1.27mm pitch

and now you get answers
https://www.mouser.com/c/connectors/card-edge-connectors/standard-card-edge-connectors/?pitch=1.27%20mm
« Last Edit: October 17, 2023, 12:37:22 pm by coromonadalix »
 

Offline blackbitTopic starter

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Re: Where to buy a (non-express) PCI straddle mount socket in 2023?
« Reply #6 on: October 17, 2023, 07:11:25 pm »
Straddle mount describes the mounting style I am after. See screenshot below from Mouser, specifically Standard Card Edge Connectors
THT connectors are different. They typically have alignment studs that get in the way, pin length and orientation that aren't ideal, etc. That's not really a surprise. A connector that is supposed to sit flat on a PCB needs to look different from one that is supposed to sit at the edge of a PCB.
See what I've mentioned in my initial post:
Quote
Beat a through-hole socket into submission. Possible but messy as well.

A THT part is a 'plan B'.
 

Offline langwadt

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Re: Where to buy a (non-express) PCI straddle mount socket in 2023?
« Reply #7 on: October 17, 2023, 07:47:29 pm »
I don't think desoldering from something like this: https://www.ebay.com/itm/264360235639 would be too hard

just start at one end, one pin at a time sliding something like a piece of paper under each pin as it's desoldered
 


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