Ferrite Cores

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	Mfr Part #	Quantity Available	Price	Series	Package	Product Status	Core Type	Supplier Device Package	Material	Diameter	Inductance Factor (Al)	Tolerance	Gap	Initial Permeability (µi)	Core Factor (ΣI/A) mm⁻¹	Effective Length (le) mm	Effective Area (Ae) mm²	Effective Magnetic Volume (Ve) mm³	Finish	Height	Length	Width
	B62152A0007X001 FERRITE CORE 2 HOLE 140NH K1 EPCOS - TDK Electronics	12.282 In Stock	1 : 1,23000 € Box	MHB2-7.25/4.2/6.2	Box	Active	Multi-Hole (2)	-	K1	-	140 nH	±30%	Ungapped	80	0.75	7.6	10.2	78.0	Uncoated	0.244" (6.20mm)	0.285" (7.25mm)	0.165" (4.20mm)
	B62152A0007X030 FERRITE CORE 2 HOLE 7.3UH N30 EPCOS - TDK Electronics	6.569 In Stock	1 : 0,74000 € Box	MHB2-7.25/4.2/6.2	Box	Active	Multi-Hole (2)	-	N30	-	7.3 µH	±30%	Ungapped	4300	0.75	7.6	10.2	78.0	Uncoated	0.244" (6.20mm)	0.285" (7.25mm)	0.165" (4.20mm)

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Ferrite cores are a magnetic device used in the windings of transformers or other wound components. The chemical makeup of these devices help to prevent eddy currents. These are created in different form factors such as: E, toroid, ER, multi-hole, etc. and come in many different sizes. Key parameters are going to be the size, form factor or core type, and inductance factor.