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)	Effective Length (le) mm	Effective Area (Ae) mm²	Effective Magnetic Volume (Ve) mm³	Finish	Height	Length	Width

0077735A7 KOOL MU 026 PERM BLACK 740 SIZE Magnetics, a division of Spang & Co.	104 In Stock	1 : ¥200.88000 Bulk	-	Bulk	Active	Toroid	-	Kool Mu	2.917" (74.09mm)	88 nH	±8%	Ungapped	26	184.0	497.0	91400.0	Uncoated	1.378" (35.00mm)	-	-
0077102A7 FERRITE CORE TOROID 48NH KOOL MU Magnetics, a division of Spang & Co.	124 In Stock	1 : ¥205.22000 Bulk	-	Bulk	Active	Toroid	-	Kool Mu	4.055" (103.00mm)	48 nH	±8%	Ungapped	26	243.0	358.0	86900.0	Coated	0.705" (17.91mm)	-	-
0079617A7 FERRITE CORE TOROID 189NH KOOLMU Magnetics, a division of Spang & Co.	42 In Stock	1 : ¥222.05000 Bulk	-	Bulk	Active	Toroid	-	Kool Mu MAX	2.440" (61.98mm)	189 nH	±8%	Ungapped	60	144.0	360.0	51800.0	Coated	0.984" (25.00mm)	-	-
0079908A7 FERRITE CORE TOROID 37NH KOOL MU Magnetics, a division of Spang & Co.	78 In Stock	1 : ¥127.77000 Bulk	-	Bulk	Active	Toroid	-	Kool Mu MAX	3.108" (78.94mm)	37 nH	±8%	Ungapped	26	196.0	221.0	43400.0	Coated	0.670" (17.02mm)	-	-
C058867A2 FERRITE CORE TOROID 68NH HIGH FL Magnetics, a division of Spang & Co.	40 In Stock	1 : ¥382.13000 Bulk	-	Bulk	Active	Toroid	-	High Flux	3.063" (77.80mm)	68 nH	±8%	Ungapped	60	196.0	176.0	34500.0	Coated	0.500" (12.70mm)	-	-
0078867A7 X FLUX 060 PERM BROWN 866 SIZE Magnetics, a division of Spang & Co.	0 In Stock Check Lead Time	135 : ¥63.10859 Bulk	-	Bulk	Active	Toroid	-	XFlux	3.063" (77.80mm)	68 nH	±8%	Ungapped	60	196.0	176.0	34500.0	Uncoated	0.500" (12.70mm)	-	-
0078907A7 X FLUX 060 PERM BROWN 906 SIZE Magnetics, a division of Spang & Co.	0 In Stock Check Lead Time	120 : ¥76.19425 Bulk	-	Bulk	Active	Toroid	-	XFlux	3.063" (77.80mm)	85 nH	±8%	Ungapped	60	196.0	221.0	43400.0	Uncoated	0.625" (15.88mm)	-	-
0079868A7 KOOL MU MAX 026 PERM BLACK 866 S Magnetics, a division of Spang & Co.	0 In Stock Check Lead Time	90 : ¥90.88556 Bulk	-	Bulk	Active	Toroid	-	Kool Mu MAX	3.063" (77.80mm)	30 nH	±8%	Ungapped	26	196.0	176.0	34500.0	Uncoated	0.500" (12.70mm)	-	-
0078618A7 X FLUX 075 PERM BROWN 620 SIZE Magnetics, a division of Spang & Co.	0 In Stock Check Lead Time	81 : ¥92.37889 Bulk	-	Bulk	Active	Toroid	-	XFlux	2.440" (61.98mm)	237 nH	±8%	Ungapped	75	144.0	360.0	51800.0	Uncoated	0.984" (25.00mm)	-	-
0055777A2 MPP 060 PERM GREY 778 SIZE Magnetics, a division of Spang & Co.	0 In Stock Check Lead Time	25 : ¥1,491.53160 Bulk	-	Bulk	Active	Toroid	-	MPP	3.063" (77.80mm)	205 nH	±8%	Ungapped	60	177.2	492.0	87100.0	Uncoated	1.018" (25.86mm)	-	-

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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.