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

0077439A7 FERRITE CORE TOROID 135NH Magnetics, a division of Spang & Co.	1,373 In Stock	1 : ¥57.98000 Bulk	-	Bulk	Active	Toroid	-	-	1.875" (47.63mm)	135 nH	±8%	Ungapped	60	107.0	199.0	21300.0	Coated	0.745" (18.92mm)	-	-
0077192A7 FERRITE CORE TOROID 138NH KOOLMU Magnetics, a division of Spang & Co.	1,093 In Stock	1 : ¥73.45000 Bulk	-	Bulk	Active	Toroid	-	Kool Mu	2.285" (58.04mm)	138 nH	±8%	Ungapped	60	125.0	229.0	28600.0	Coated	0.635" (16.13mm)	-	-
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)	-	-
0079121A7 FERRITE CORE TOROID 35NH KOOL MU Magnetics, a division of Spang & Co.	1,957 In Stock	1 : ¥11.22000 Bulk	-	Bulk	Active	Toroid	-	Kool Mu MAX	0.680" (17.27mm)	35 nH	±8%	Ungapped	60	41.2	19.2	791.0	Coated	0.280" (7.11mm)	-	-
0079894A7 FERRITE CORE TOROID 75NH KOOL MU Magnetics, a division of Spang & Co.	755 In Stock	1 : ¥18.79000 Bulk	-	Bulk	Active	Toroid	-	Kool Mu MAX	1.090" (27.69mm)	75 nH	±8%	Ungapped	60	63.5	65.4	4150.0	Coated	0.470" (11.94mm)	-	-
0079083A7 FERRITE CORE TOROID 81NH KOOL MU Magnetics, a division of Spang & Co.	119 In Stock	1 : ¥66.31000 Bulk	-	Bulk	Active	Toroid	-	Kool Mu MAX	1.605" (40.77mm)	81 nH	±8%	Ungapped	60	98.4	107.0	10600.0	Coated	0.605" (15.37mm)	-	-
0077726A7 FERRITE CORE TOROID 175NH KOOLMU Magnetics, a division of Spang & Co.	177 In Stock	1 : ¥66.82000 Bulk	-	Bulk	Active	Toroid	-	Kool Mu	2.028" (51.51mm)	175 nH	±8%	Ungapped	60	113.5	262.0	29700.0	Coated	0.850" (21.59mm)	-	-
0079192A7 FERRITE CORE TOROID 138NH KOOLMU Magnetics, a division of Spang & Co.	133 In Stock	1 : ¥89.77000 Bulk	-	Bulk	Active	Toroid	-	Kool Mu MAX	2.285" (58.04mm)	138 nH	±8%	Ungapped	60	125.0	229.0	28600.0	Coated	0.635" (16.13mm)	-	-
0077617A7 FERRITE CORE TOROID 189NH KOOLMU Magnetics, a division of Spang & Co.	792 In Stock	1 : ¥137.38000 Bulk	-	Bulk	Active	Toroid	-	Kool Mu	2.484" (63.09mm)	189 nH	±8%	Ungapped	60	144.0	360.0	51800.0	Coated	1.020" (25.91mm)	-	-
0059439A2 FERRITE CORE TOROID 135NH EDGE Magnetics, a division of Spang & Co.	166 In Stock	1 : ¥358.33000 Bulk	-	Bulk	Active	Toroid	-	Edge	1.840" (46.74mm)	135 nH	±8%	Ungapped	60	107.4	198.0	21300.0	Coated	0.710" (18.03mm)	-	-
0077737A7 FERRITE CORE TOROID 204NH KOOLMU Magnetics, a division of Spang & Co.	52 In Stock	1 : ¥200.88000 Bulk	-	Bulk	Active	Toroid	-	Kool Mµ	2.917" (74.09mm)	204 nH	±8%	Ungapped	60	184.0	497.0	91400.0	Coated	1.378" (35.00mm)	-	-
0078617A7 FERRITE CORE TOROID 189NH XFLUX Magnetics, a division of Spang & Co.	67 In Stock	1 : ¥111.96000 Bulk	-	Bulk	Active	Toroid	-	XFlux	2.440" (61.98mm)	189 nH	±8%	Ungapped	60	144.0	360.0	51800.0	Coated	0.984" (25.00mm)	-	-
0078777A7 FERRITE CORE TOROID 205NH XFLUX Magnetics, a division of Spang & Co.	46 In Stock	1 : ¥183.97000 Bulk	-	Bulk	Active	Toroid	-	XFlux	3.108" (78.94mm)	205 nH	±8%	Ungapped	60	177.2	492.0	81500.0	Coated	1.057" (26.85mm)	-	-
0079615A7 FERRITE CORE TOROID 82NH KOOL MU Magnetics, a division of Spang & Co.	16 In Stock	1 : ¥222.05000 Bulk	-	Bulk	Active	Toroid	-	Kool Mu MAX	2.484" (63.09mm)	82 nH	±8%	Ungapped	26	144.0	360.0	51800.0	Coated	1.020" (25.91mm)	-	-
0079097A7 FERRITE CORE TOROID 35NH KOOL MU Magnetics, a division of Spang & Co.	38 In Stock	1 : ¥225.45000 Bulk	-	Bulk	Active	Toroid	-	Kool Mu MAX	4.055" (103.00mm)	35 nH	±8%	Ungapped	19	243.0	358.0	86900.0	Coated	0.705" (17.91mm)	-	-
0079102A7 FERRITE CORE TOROID 48NH KOOL MU Magnetics, a division of Spang & Co.	37 In Stock	1 : ¥225.45000 Bulk	-	Bulk	Active	Toroid	-	Kool Mu MAX	4.000" (101.60mm)	48 nH	±8%	Ungapped	26	243.0	358.0	86900.0	Coated	0.650" (16.51mm)	-	-
C055716A2 FERRITE CORE TOROID 73NH MPP Magnetics, a division of Spang & Co.	73 In Stock	1 : ¥357.14000 Bulk	-	Bulk	Active	Toroid	-	MPP	2.000" (50.80mm)	73 nH	±8%	Ungapped	60	127.0	125.0	15900.0	Coated	0.530" (13.46mm)	-	-
0077164A7 FERRITE CORE TOROID 42NH KOOL MU Magnetics, a division of Spang & Co.	13 In Stock	1 : ¥765.45000 Bulk	-	Bulk	Active	Toroid	-	Kool Mu	6.555" (166.50mm)	42 nH	±8%	Ungapped	14	412.0	987.0	407000.0	Coated	1.305" (33.15mm)	-	-
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)	-	-

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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.