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Mounting modules on pcb

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m98:
Hi,

for a product prototype, I need to mount a few modules with castellated hole contacts onto one main pcb. Since the modules are quite expensive, I don't want to solder them onto the prototype pcbs. And as they're relatively large and don't have continuous contact rows on each side, they won't fit into any standard LCC socket. Are there any surface mount spring contacts that would provide a snug fit?                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         

tooki:
I would solder them using low-temperature tin-bismuth solder. Then you can easily desolder them for later reuse, without risking desoldering any other components. Use a cheap hot air rework tool.

Beyond that, I’d peruse the Mill-Max and Harwin catalogs to see if there are any spring loaded pins that would work.

ledtester:
Found this:

https://electronics.stackexchange.com/questions/191176/castellation-metal-loop-connector

As stated in the answer, you might be able to make your own with right angle pin headers.

Also seems to be related to your problem... might give you some ideas:

https://www.thingiverse.com/thing:3051216

Some other links I found:

https://hackaday.com/2019/12/07/simple-pogo-programmer-for-esp8266-modules/

(mentioned in: https://www.element14.com/community/thread/74626/l/solderless-connectors-for-castellated-edge?displayFullThread=true )

https://www.tag-connect.com/product/ec10-idc-050-10-pin-castellated-board-edge-connector-to-10-pin-0-05-idc

https://forums.parallax.com/discussion/150231/castellated-edge-plated-pcbs-any-socket-or-adapter-available

https://www.testfixtures.com/DUT-package-type/PCB-module

ledtester:
This might work if you can get the right pitch:

https://www.aliexpress.com/item/4000282372452.html

Title: 5pcs Spring Compression Contact 2.0 mm Pitch 2 3 4 5 6 7 8 Pin Male Surface Mount PCB modular Connector battery Straight

ledtester:

ok, one last idea...

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