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snarfer
Joined: 25 Nov 2006
Posts: 3
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 14 Aug 2008 21:30 SMT toroid holder |
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This is my really annoying and stupid problem. I am designing a DC-DC converter and need to find surface mount holder for toroid inductor. It is two stacked cores, with wrapped OD approximately 23mm and height approximately 20mm. Well I have been wading through datasheets for hours and cannot find what I need. None of the companies seem to index anything like this in a way that makes sense so I'm stuck clicking on all these incomprehensible pdfs and can't figure out whether the parts will even fit, especially the height.
I wonder if anyone know of a company that has a simple online form for finding an appropriate toroid mount, or has any other relevant ideas. I cannot spend any more time with this. It is driving me crazy. I even asked my magnetics supplier and was told that they have no time to figure it out either. What a bone job.
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p.mlo
Joined: 16 Jul 2006
Posts: 33
Helped: 2
Location: Poland
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| 14 Aug 2008 22:36 SMT toroid holder |
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Maby they will have something http://indel.pl/
I've never met a SMT holder glueing is simplier than trying to use a holder. That holder must be glued or soldered manually I supose. And a hot glue is quite easy for unmounting.
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kender
Joined: 19 Jun 2005
Posts: 957
Helped: 70
Location: Stanford, SF Bay Peninsula, California, Earth, Solar System, Milky Way
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| 15 Aug 2008 21:01 SMT toroid holder |
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Once I've seen torroid transformers mounted on SMT torroid holders. They were smaller, though 10mm OD, 20mm height. Unfortunately, I don't know where they came from, but the transformers were custom-wound.
I would ask the shop, which will be winding the inductor for you, if they know about the holders
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ender84567
Joined: 20 Jan 2007
Posts: 83
Helped: 7
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| 03 Sep 2008 4:28 SMT toroid holder |
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| pulse engineering can usually do anything custom you want but the quantity has to be large for them to be willing to do business with you.
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