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Whole catalog Passive componentsCores, frames, staplesCoresTOR ferrites (rings)
Код товара:
003121

Core CF139-T2012A


Ring MnZn core uncovered. Dimension 20,0 x 12 x 12 mm.
Magnetic permeability = 2100. Saturation induction = 480/380 mT.
Inductance per turn AL = 2550 nH.
Core CF139-T2012A
Manufacturer: Cosmo Ferrites Ltd (Cosmofer)
NOT available.
Expected price: 12,40 UAH
from 1 pc : 12,40 UAH
from 10 pcs : 11,77 UAH ( -5,1%)
from 50 pcs : 11,15 UAH ( -10,1%)
Prices are indicated at the time of product availability and may change upon receipt

Current balances:

NOT available

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Toroidal cores are designed to wind an insulated wire around the core body.
The most commonly used cores have an insulating polymer coating. This coating protects the inductive element from electrical breakdown and allows the use of standard enameled copper wires for winding. The color of the coating may indicate the grade of the polymer coating, but not the grade of ferrite.
Uncoated or damaged cores should either be tape-insulated before winding or use a solidly insulated wire. ¦

Parameter Value
Material: CF139  (Manganese-Zinc)
Size (A x B x C): 20,0 x 12 x 12 mm
Coverage: uncoated
Magnetic permeability: 2100
Saturation induction Bs, at T = 25°C 480 mT
Saturation induction Bs, at T = 100°C 380 mT
Inductance per loop AL, nH 2550
Effective magnetic line length Le, mm
Area of ​​contacting surfaces Ae, mm 2
Effective volume Ve, mm 3
Weight, grams

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The data presented in the product description are for reference only and may differ from those indicated by the manufacturer.
To carry out technical calculations and obtain the exact parameters of the goods, use the datasheets from the manufacturer's website.

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