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4hv.org :: Forums :: General Science and Electronics
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Ferite cores

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dicban
Thu Mar 13 2008, 09:02PM Print
dicban Registered Member #790 Joined: Sun May 20 2007, 12:03PM
Location:
Posts: 14
hello everybody

i have some questions about ferit cores that i have
a took some pictures of them, the measurments are in cm (1inch=2.54cm)

can you tell me how much power could those cores handle?

thanx:)

Th 41516 DSC02216 122 461loTh 41517 DSC02217 122 736loTh 41532 DSC02218 122 514loTh 41533 DSC02219 122 40lo
Th 41540 DSC02220 122 820lo
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Dr. Dark Current
Thu Mar 13 2008, 09:10PM
Dr. Dark Current Registered Member #152 Joined: Sun Feb 12 2006, 03:36PM
Location: Czech Rep.
Posts: 3384
these are just your "standard" inverter transformers, like these you cand find everywhere (PC, TV, monitor etc.) I say ~150-300W
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dicban
Fri Mar 14 2008, 06:50AM
dicban Registered Member #790 Joined: Sun May 20 2007, 12:03PM
Location:
Posts: 14
I have atx computer power suply that has of 400W and its transformer is smaler and thats why im asking because that cores on pictures look much biger

sry for my english
:)


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Dr. Dark Current
Fri Mar 14 2008, 07:24AM
Dr. Dark Current Registered Member #152 Joined: Sun Feb 12 2006, 03:36PM
Location: Czech Rep.
Posts: 3384
well the transformers in PC PSUs are ofter under-dimensed because they are actively air-cooled, and then there's the problem of diferent core materials;
if you dare you could probably run them at 500W provided you cool them by a fan.

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GeordieBoy
Fri Mar 14 2008, 02:12PM
GeordieBoy Registered Member #1232 Joined: Wed Jan 16 2008, 10:53PM
Location: Doon tha Toon!
Posts: 881
probably a few hundred watts if driven at the intended frequency and in the intended topology, eg. flyback, forward, half-bridge etc.
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dicban
Fri Mar 14 2008, 02:20PM
dicban Registered Member #790 Joined: Sun May 20 2007, 12:03PM
Location:
Posts: 14
ok thanx guys
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