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Re: [TCML] specs for the larger ferrites I'd offered on the list
Bill -
These cores are actually made from Molypermalloy powder
(nickel-iron-molybdenum), not ferrite.
This material has very low permeability, and is used for specialized
inductors. Not usable for gate drive transformers in solid-state Tesla
coils, where high permeability ferrite cores are needed.
Regards,
Herr Zapp
----- Original Message -----
From: "Bill Noble" <william_b_noble@xxxxxxx>
To: "Tesla Coil Mailing List" <tesla@xxxxxxxxxx>
Sent: Sunday, September 13, 2009 5:26 PM
Subject: [TCML] specs for the larger ferrites I'd offered on the list
I found the spec sheet for the torroids, here
http://www.mag-inc.com/File%20Library/Product%20Datasheets/Powder%20Core/New%20Powder%20Cores/Toroids/930%20Size/C055930A2.pdf
It is from their MPP series, read about that series here
http://www.mag-inc.com/products/powder_cores/mpp They say: MPP cores
possess many outstanding magnetic characteristics, such as high
resistivity, low hysteresis and eddy current losses, excellent inductance
stability after high DC magnetization or under high DC bias conditions and
minimal inductance shift up to 2000 gauss under AC conditions.
Applications include Flyback Transformers, Buck/Boost and Power Factor
Correction (PFC), Inductors, In-Line Noise Filters, High Q Filters, and
Resonant Circuits.I have probably 100 of them (haven't counted), at 25
cents each - shippingdepends on quantity, but will never be more than $11
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