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4hv.org :: Forums :: General Science and Electronics
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question regarding DC link inductors for ZVS circuit

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Steve Conner
Tue Aug 28 2012, 08:29PM
Steve Conner Registered Member #30 Joined: Fri Feb 03 2006, 10:52AM
Location: Glasgow, Scotland
Posts: 6706
MnZn and NiZn are types of ferrite, nothing to do with iron powder, which is made of... iron.
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Ash Small
Tue Aug 28 2012, 10:20PM
Ash Small Registered Member #3414 Joined: Sun Nov 14 2010, 05:05PM
Location: UK
Posts: 4245
Steve Conner wrote ...

MnZn and NiZn are types of ferrite, nothing to do with iron powder, which is made of... iron.

Yes, but why are they mentioned in descriptions of Chinese 40 grade toroids?
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Steve Conner
Wed Aug 29 2012, 08:55AM
Steve Conner Registered Member #30 Joined: Fri Feb 03 2006, 10:52AM
Location: Glasgow, Scotland
Posts: 6706
Because the guy who maintains the website pastes every piece of technical crap he has on every page to get more search engine hits?
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Ash Small
Wed Aug 29 2012, 09:51AM
Ash Small Registered Member #3414 Joined: Sun Nov 14 2010, 05:05PM
Location: UK
Posts: 4245
Steve Conner wrote ...

Because the guy who maintains the website pastes every piece of technical crap he has on every page to get more search engine hits?

That makes sense. It did cause some confusion, though.

(EDIT: first post in thread now edited)
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Redstone
Sun Sept 09 2012, 01:22AM
Redstone Registered Member #2578 Joined: Sun Dec 27 2009, 09:21PM
Location: USA Utah
Posts: 31
So ferrites are for ??? and iron powder toroids are for flitering/inductor with DC.

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Steve Conner
Sun Sept 09 2012, 07:44AM
Steve Conner Registered Member #30 Joined: Fri Feb 03 2006, 10:52AM
Location: Glasgow, Scotland
Posts: 6706
Yes, ??? would be things like high frequency transformers and common-mode chokes for EMI suppression. Basically any application where the core isn't required to store magnetic energy.

Ferrite cores with air gaps can be used in energy storage applications. The energy is stored in the air gap. Some people prefer them to iron powder toroids. I've tried both and they seem to perform about the same.
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