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Post by flateric on Apr 26, 2009 13:10:49 GMT -5
I need to buy a couple of dc power adapter thingies to power a couple of stompboxes off the mains instead of using batteries. I have the DC mains adapter but what on earth is the correct name for the little plug thing I need to buy to solder onto the pcb that you plug the mains into?
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Post by ChrisK on Apr 26, 2009 20:49:35 GMT -5
Huh? What? You want to buy a couple of DC power adapters to power stompboxes from mains (AC) power. ?You have the DC mains adapter (a "power brick" perchance?), but you ask the name of the little plug to solder onto the PCB ?that you plug the mains into? In the U.S. we call this capital punishment. Could you be less specific, please?
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Post by flateric on Apr 27, 2009 16:40:47 GMT -5
this bit: What's this bit called, so I can order some from maplins - that's our version of Radio Shack. Can't find them anywhere!
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Post by sumgai on Apr 27, 2009 18:17:15 GMT -5
flateric, That's a jack. Specifically, it's a panel-mount 2.5mm jack. If you want to run a cable (cord, wire, etc.) from that, you'd insert a plug, of the same size. And probably an in-line version, as versus a panel-mount device. Be aware that there 2.1mm jacks/plugs available, make sure that you get the correctly fitted device. HTH sumgai
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Post by cynical1 on Apr 27, 2009 18:29:57 GMT -5
From what I can discern from the Digi-Key catalog, it's a DC power jack. Not sure what they call them over there... This is really a ChrisK type of question...I found some Digi-Reel DC power jacks on page 456 of the US Digi-Key catalog...but as far as what model/style...or which one is ideal for your application I will have to plead ignorance... Here's the link for the UK version of the Digi-Key site. You can also download the Digi-Key UK catalog in your favorite flavor.. Hope this helps Happy Trails Cynical One
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Post by flateric on Apr 28, 2009 1:46:21 GMT -5
Manya thanks guys, brain dries up in the spring, need more beer.
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Post by flateric on Apr 28, 2009 9:47:26 GMT -5
Hmm, jack is not the right term for UK, Maplins search confirms a jack is the male part of a plug. I'm looking for the socket, the female.
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Post by ChrisK on Apr 28, 2009 12:12:56 GMT -5
In the U.S. that is called a jack, usually denoted as Jx. The thing that plugs into it is called, er, a plug, usually denoted as Px. Sometimes jacks are called sockets, but only most rarely. Now, an IP software connection in a PC is called a socket...... Over here, a Jack may be the male name of a plug...... Measure the outside barrel diameter of the plug. It looks like it's aboot 5,5 mm. You also need to know the diameter of the centre terminal in the socket, which may be 2,1 mm or 2,5 mm. These are the two different centre terminal diameters common in the U.S. A digital caliper is real handy here. If you can't discern the centre diameter, buy some of each (it's cheaper than paying shipping twice). Definitely buy at least one 2,1 mm plug and one 2,5 mm jack/socket as reference gauges. Mark them so. In the future, if it fits into a jack/socket, it's a 2,1 mm jack/socket, and if it does not fit, it's a 2,5 mm jack/socket (don't force it, or you'll re-gauge your gauge). (These are not to be confused with a jack/plug. ) And conversely, of course. For reference info; www.schurterinc.com/pdf/english/typ_4840.2200.pdf2,1 mm CUI search.digikey.com/scripts/DkSearch/dksus.dll?Cat=1573698&keywords=2.1%20mm%20plugsearch.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=CP-5-NDsearch.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=CP-011A-ND2,5 mm CUI search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=CP3-1001-NDsearch.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=CP-6-NDsearch.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=CP-011B-NDNote that these are in pounds Sterling (or wrinkled, if that's all you've got).
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Post by flateric on Apr 29, 2009 8:18:04 GMT -5
Many thx Chris, sorted.
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xeroks
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Post by xeroks on Apr 29, 2009 11:18:42 GMT -5
by the way: from my limited experience, digikey send all their goodies from the States - even if you use use the UK version of the site/catalog. This incurs a pricey delivery charge unless you've spent more the £50. For something like this, you're almost certainly going to be cheaper going to Maplin. (on the upside, I was also sent a copy of digikey's catalog. A hefty, hefty tome. In many ways it's better than the website if you're not quite sure what you're looking for. It's got a lot of mouth-watering gear in it - I didn't know you could get some of this stuff. It's the closest thing I've seen to geek porn!)
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Post by ChrisK on Apr 29, 2009 11:35:50 GMT -5
Yeah, it's a lot easier to balance on your lap while in the loo*. * loo, a quaint word that originated by pronouncing a number (100) as a word that was the common room number for the public facilities in public buildings. Reading thru it is actually more fun than reading the phone book (at least more than once). I've used Digi-Key since the beginning of time. I still have some audio OPAMPS that I bought from them in the early '70s (LM748).
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xeroks
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Post by xeroks on Apr 30, 2009 5:34:48 GMT -5
don't get me wrong - digikey seem pretty good. They were happy for me to change part of my order, despite it being ordered in specially. that's an interesting take on the derivation of "loo" though. I'd heard it was after Louis- a French king the English held in particularly low regard. I think it was in this documentary, , though I may be wrong...
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