Ferrite Cores

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Mfr Part #	Quantity Available	Price	Series	Package	Product Status	Core Type	Supplier Device Package	Material	Diameter	Tolerance	Gap	Initial Permeability (µi)	Core Factor (ΣI/A) mm⁻¹	Effective Length (le) mm	Effective Area (Ae) mm²	Minimum Core Cross Section (Amin) mm²	Effective Magnetic Volume (Ve) mm³	Finish	Height	Length	Width

B66413G0000X187 FERRITE CORE EFD N87 1PC EPCOS - TDK Electronics	7,300 In Stock	1 : ¥5.36000 Box	EFD15/8/5	Box	Active	EFD	EFD 15 x 8 x 5	N87	-	-	Ungapped	-	-	-	-	-	-	Uncoated	0.295" (7.50mm)	0.591" (15.00mm)	0.183" (4.65mm)
B66413U0160L187 FERRITE CORE EFD N87 1PC EPCOS - TDK Electronics	4,454 In Stock	1 : ¥5.61000 Box	EFD15/8/5	Box	Active	EFD	EFD 15 x 8 x 5	N87	-	-	Gapped	-	-	-	-	-	-	Uncoated	0.295" (7.50mm)	0.591" (15.00mm)	0.183" (4.65mm)
B66413U0100K187 FERRITE CORE EFD N87 1PC EPCOS - TDK Electronics	3,016 In Stock	1 : ¥5.61000 Box	EFD15/8/5	Box	Active	EFD	EFD 15 x 8 x 5	N87	-	-	Gapped	-	-	-	-	-	-	Uncoated	0.295" (7.50mm)	0.591" (15.00mm)	0.183" (4.65mm)
B66413G0000X197 FERRITE CORE EFD N97 1PC EPCOS - TDK Electronics	5,401 In Stock	1 : ¥6.89000 Box	EFD15/8/5	Box	Active	EFD	EFD 15 x 8 x 5	N97	-	-	Ungapped	-	-	-	-	-	-	Uncoated	0.295" (7.50mm)	0.591" (15.00mm)	0.183" (4.65mm)
B66413G0000X149 FERRITE CORE EFD N49 1PC EPCOS - TDK Electronics	0 In Stock Check Lead Time	1 : ¥6.21000 Box	EFD15/8/5	Box	Active	EFD	EFD 15 x 8 x 5	N49	-	-	Ungapped	-	-	-	-	-	-	Uncoated	0.295" (7.50mm)	0.591" (15.00mm)	0.183" (4.65mm)
B66413G0100X187 FERRITE CORE EFD N87 EPCOS - TDK Electronics	0 In Stock Check Lead Time	1,920 : ¥2.36730 Box	EFD15/8/5	Box	Active	EFD	EFD 15 x 8 x 5	N87	-	-	Gapped	2200	2.27	34	15	12.2	510	Uncoated	0.295" (7.50mm)	0.591" (15.00mm)	0.183" (4.65mm)
B66413U0160K187 FERRITE CORE EFD N87 EPCOS - TDK Electronics	0 In Stock Check Lead Time	7,680 : ¥2.36730 Box	EFD15/8/5	Box	Active	EFD	EFD 15 x 8 x 5	N87	-	-	Gapped	2200	2.27	34	15	12.2	510	Uncoated	0.295" (7.50mm)	0.591" (15.00mm)	0.183" (4.65mm)
B66413A0040J087 FERRITE CORE EPCOS - TDK Electronics	0 In Stock Check Lead Time	7,680 : ¥2.41299 Box	EFD15/8/5	Box	Active	-	-	-	-	-	Gapped	-	-	-	-	-	-	-	-	-	-
B66413U0100K197 FERRITE CORE EFD N97 EPCOS - TDK Electronics	0 In Stock Check Lead Time	7,680 : ¥3.41176 Box	EFD15/8/5	Box	Active	EFD	EFD 15 x 8 x 5	N97	-	-	Gapped	2300	2.27	34	15	12.2	510	Uncoated	0.295" (7.50mm)	0.591" (15.00mm)	0.183" (4.65mm)
B66413U0160L197 FERRITE CORE EFD N97 EPCOS - TDK Electronics	0 In Stock Check Lead Time	7,680 : ¥3.41176 Box	EFD15/8/5	Box	Active	EFD	EFD 15 x 8 x 5	N97	-	-	Gapped	2300	2.27	34	15	12.2	510	Uncoated	0.295" (7.50mm)	0.591" (15.00mm)	0.183" (4.65mm)

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Ferrite Cores

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.