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	Minimum Core Cross Section (Amin) mm²	Effective Magnetic Volume (Ve) mm³	Finish	Height	Length	Width

B64290L0674X038 FERRITE CORE TOROID 13.5UH T38 EPCOS - TDK Electronics	432 In Stock	1 : ¥53.64000 Tray	TX36/23/15	Tray	Active	Toroid	-	T38	1.476" (37.50mm)	13.5 µH	±30%	Ungapped	10000	0.94	89.65	95.89	-	8597.0	Epoxy	0.638" (16.20mm)	-	-
B64290L0674X087 FERRITE CORE TOROID 2.94UH N87 EPCOS - TDK Electronics	925 In Stock	1 : ¥37.58000 Box	TX36/23/15	Box	Active	Toroid	-	N87	1.476" (37.50mm)	2.94 µH	±25%	Ungapped	2200	0.94	89.65	95.89	-	8597.0	Epoxy	0.638" (16.20mm)	-	-
B64290L0674X830 FERRITE CORE TOROID 5.75UH N30 EPCOS - TDK Electronics	1,074 In Stock	1 : ¥50.24000 Tray	TX36/23/15	Tray	Active	Toroid	-	N30	1.476" (37.50mm)	5.75 µH	±25%	Ungapped	4300	0.94	89.65	95.89	-	8597.0	Epoxy	0.638" (16.20mm)	-	-
B64290L0659X037 FERRITE CORE TOROID 9.8UH T37 EPCOS - TDK Electronics	311 In Stock	1 : ¥71.92000 Box	TX40/24/16	Box	Active	Toroid	-	T37	1.646" (41.80mm)	9.8 µH	±25%	Ungapped	6000	0.77	96.29	125.3	125.3	12070.0	Epoxy	0.677" (17.20mm)	-	-
B64290L0082X065 FERRITE CORE TOROID 10UH T65 EPCOS - TDK Electronics	217 In Stock	1 : ¥102.61000 Box	TX50/30/20	Box	Active	Toroid	-	T65	2.040" (51.80mm)	10 µH	±30%	Ungapped	4900	0.62	120.4	195.7	-	23560.0	Epoxy	0.839" (21.30mm)	-	-
B64290L0082X038 FERRITE CORE TOROID 17.4UH T38 EPCOS - TDK Electronics	135 In Stock	1 : ¥157.95000 Tray	TX50/30/20	Tray	Active	Toroid	-	T38	2.040" (51.80mm)	17.4 µH	±30%	Ungapped	8500	0.62	120.4	195.7	-	23560.0	Epoxy	0.839" (21.30mm)	-	-
B64290L0674X065 FERRITE CORE TOROID 6.8UH T65 EPCOS - TDK Electronics	1,131 In Stock	1 : ¥40.13000 Box	TX36/23/15	Box	Active	Toroid	-	T65	1.476" (37.50mm)	6.8 µH	±30%	Ungapped	5000	0.94	89.65	95.89	-	8597.0	Epoxy	0.638" (16.20mm)	-	-
B64290L0659X087 FERRITE CORE TOROID 3.59UH N87 EPCOS - TDK Electronics	241 In Stock	1 : ¥53.47000 Box	TX40/24/16	Box	Active	Toroid	-	N87	1.646" (41.80mm)	3.59 µH	±25%	Ungapped	2200	0.77	96.29	125.3	125.3	12070.0	Epoxy	0.677" (17.20mm)	-	-
B64290L0659X035 FERRITE CORE TOROID 8.2UH T35 EPCOS - TDK Electronics	239 In Stock	1 : ¥54.83000 Box	TX40/24/16	Box	Active	Toroid	-	T35	1.646" (41.80mm)	8.2 µH	±25%	Ungapped	5000	0.77	96.29	125.3	125.3	12070.0	Epoxy	0.677" (17.20mm)	-	-
B64290L0659X830 FERRITE CORE TOROID 7UH N30 EPCOS - TDK Electronics	235 In Stock	1 : ¥58.23000 Tray	TX40/24/16	Tray	Active	Toroid	-	N30	1.646" (41.80mm)	7 µH	±25%	Ungapped	4300	0.77	96.29	125.3	125.3	12070.0	Epoxy	0.677" (17.20mm)	-	-
B64290L0659X065 FERRITE CORE TOROID 8.2UH T65 EPCOS - TDK Electronics	69 In Stock	1 : ¥71.16000 Box	TX40/24/16	Box	Active	Toroid	-	T65	1.646" (41.80mm)	8.2 µH	±30%	Ungapped	5000	0.77	96.29	125.3	125.3	12070.0	Epoxy	0.677" (17.20mm)	-	-
B64290L0674X037 FERRITE CORE TOROID 8UH T37 EPCOS - TDK Electronics	3 In Stock	1 : ¥64.95000 Box	TX36/23/15	Box	Active	Toroid	-	T37	1.476" (37.50mm)	8 µH	±25%	Ungapped	6000	0.94	89.65	95.89	-	8597.0	Epoxy	0.638" (16.20mm)	-	-
B64290L0659X027 FERRITE CORE TOROID 3.27UH N27 EPCOS - TDK Electronics	0 In Stock Check Lead Time	240 : ¥33.66200 Box	TX40/24/16	Box	Active	Toroid	-	N27	1.646" (41.80mm)	3.27 µH	±25%	Ungapped	2000	0.77	96.29	125.3	125.3	12070.0	Epoxy	0.677" (17.20mm)	-	-

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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.