| General > General Technical Chat |
| screw down PCB terminal blocks? |
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| coppercone2:
I am looking for a one piece terminal. I know you can get two piece terminals where one half is soldered down, then you screw the other half to it. I just want a spring or screw loaded terminal block that screws down to the PCB. I was hoping there was a range from tiny to big ones. I guess no one thinks securing the plastic bit is important. If you have a prototype, that you need to solder to, those terminals get messed up after enough back and forth. I wanted one that will stay pristine. I like having banana to ferrule cables to connect a lab PSU to a prototype board. I guess installing a two piece is the next best thing, since its a reconfigurable connector that is suitable for prototyping with 'test leads', and it plugs in which is kind of easier then undoing multiple wires and lower stress. I suppose leaving a banana to ferrule cable connected to a 2 piece connector is also less likely to have an accidental short circuit from exposed ferrules, which might be useful at higher voltages and currents. Because I would say cycle life is kind of low for discrete wire terminal blocks, especially on something like strip board. |
| T3sl4co1l:
Mounting? Sure, I guess you could use things like these: https://www.digikey.com/en/products/detail/schroff/60807181/4210062 Wouldn't necessarily recommend putting any current through it though. Barrier strips are available in PC mount form. Some come in vertical and right-angle formats, either screwing through the PCB into a support member or panel mounting directly with the PCB behind (which may or may not be a nightmare to solder in place, with both connector and PCB mounted to the panel first, or with clever solutions to avoid that). Tim |
| JohanH:
--- Quote from: coppercone2 on November 10, 2023, 02:22:11 pm ---I don't see any that solder to the PCB with small pins but have flanges. --- End quote --- I must be misunderstanding what you mean, because I see such things on the linked page. |
| EPAIII:
You ask for terminal blocks that can be screwed to a PC board. Well, there are a few. Here is just one search: https://www.mouser.com/c/connectors/terminal-blocks/?orgKeyword=terminal%20block 138,000 HITS! If even 10% of them allow screw attachment, I imagine that you can find almost any type you can imagine. Does anybody here ever look in the ELECTRONIC SUPPLY HOUSES????? --- Quote from: coppercone2 on November 10, 2023, 06:40:18 am ---Do they have any terminal blocks that you solder to a PCB but you also screw down with side holes so they are tight ? These things are always wobbly and are kind of shitty --- End quote --- |
| coppercone2:
there are zero with screw attachment show me a picture of one |
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