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Joined: Apr 2002
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Where can I get a transformer to convert 120VAC to 12VDC. A minimum of 10A of DC current is required. I don't need any type of housing or cords/wires. Open/exposed terminals on a transformer I can place inside a box is fine.
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Joined: Apr 2002
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Thanks Dnkldorf. That is what I am looking for but the cost is much higher than I expected. Isn't it normally more "expensive" to convert from 12VDC to 120VAC than vise-versa? I'm sure the unit you showed me is of much higher quality than the "cheapy" 12VDC inverters at the big chain stores. However, for the same price, I can get one of those to convert DC to AC (same VA). Are there also "cheapy" versions of AC to DC converters? This is not for a job so top quality is not a necessity.
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Joined: Feb 2002
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Joined: Nov 2005
Posts: 827 Likes: 1
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Here's a 150W switcher from MPJA 12V, 12.5A <$50.00 I buy alot of stuff from these folks and always get their email specials. Joe http://www.mpja.com/category/Power_...UPPLY_1_DC_POWER _SUPPLY_16020_PS.asp If you want to do your own rectifier, filter, & regulator, here is the 24VCT, 10A TX that they sell for $17.99 http://www.mpja.com/category/Transformers/24V_CT_(12-0-12)10A_TRANSFORMER_7846_TR.asp [This message has been edited by JoeTestingEngr (edited 12-12-2005).] [This message has been edited by JoeTestingEngr (edited 12-12-2005).]
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Joined: Jul 2004
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George is on the right track. 10a out of a PC supply isn't that hard to find, probably <$10 on Ebay.
Greg Fretwell
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Joined: Nov 2000
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Where can I get a transformer to convert 120VAC to 12VDC. Just so some readers are not confused, you can't use a transformer to change AC to DC. Don
Don(resqcapt19)
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Joined: Sep 2001
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A PC power supply, like most switching supplies, will not work without a minimum load on the output. For a PC supply, that load would have to be on the 5V output, not the 12V in order for the supply to start up properly.
$85 seems completely reasonable for an industrial DIN rail power supply like that.
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Joined: Jul 2004
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NJ, maybe some old PC supplies need a 5vdc load to start (particularly the old IBM PC/AT supply) but I have a buttload of them that don't. I have been using an assortment of PC supplies for bench supplies. They start fine without a load. Some will shut down when the load changed significantly, some don't
Greg Fretwell
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