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

5961002701 FERRITE CORE TOROID 61 Fair-Rite Products Corp.	5,765 In Stock	1 : ¥31.20000 Bulk	-	Bulk	Active	Toroid	-	61	1.400" (35.56mm)	-	±25%	Ungapped	125	-	89.0	79.0	7000.0	Uncoated	0.500" (12.70mm)	-	-
5961000801 FERRITE CORE TOROID 61 Fair-Rite Products Corp.	2,331 In Stock	1 : ¥1.79000 Bulk	-	Bulk	Active	Toroid	-	61	0.155" (3.94mm)	-	-	Ungapped	125	-	9.2	1.1	9.7	Uncoated	0.050" (1.27mm)	-	-
5980000201 FERRITE CORE TOROID 245NH Fair-Rite Products Corp.	2,840 In Stock	1 : ¥2.30000 Bulk	HF	Bulk	Active	Toroid	-	-	0.374" (9.50mm)	245 nH	±25%	Ungapped	550	286.0	20.7	7.3	150.0	Uncoated	0.125" (3.18mm)	-	-
5943000321 FERRITE CORE TOROID 440NH 43 Fair-Rite Products Corp.	1,301 In Stock	1 : ¥5.02000 Box	-	Box	Active	Toroid	-	43	0.530" (13.45mm)	440 nH	-25%, +20%	Ungapped	800	2.2904	29.5	12.9	381.0	Plastic	0.213" (5.40mm)	-	-
0076052A7 FERRITE CORE TOROID 12NH KOOL MU Magnetics, a division of Spang & Co.	4,820 In Stock	1 : ¥8.76000 Bulk	-	Bulk	Active	Toroid	-	Kool Mu HF	0.530" (13.45mm)	12 nH	±8%	Ungapped	26	-	31.2	10.9	340.0	Coated	0.217" (5.51mm)	-	-
5961004921 FERRITE CORE TOROID 80NH 61 Fair-Rite Products Corp.	1,973 In Stock	1 : ¥9.35000 Bulk	-	Bulk	Active	Toroid	-	61	0.665" (16.90mm)	80 nH	±25%	Ungapped	125	1.937	38.5	19.9	766.0	Plastic	0.280" (7.11mm)	-	-
5961000621 FERRITE CORE TOROID 75NH 61 Fair-Rite Products Corp.	3,263 In Stock	1 : ¥9.61000 Bulk	-	Bulk	Active	Toroid	-	61	0.860" (21.84mm)	75 nH	±25%	Ungapped	125	213.0	52.0	24.3	1260.0	Plastic	0.280" (7.11mm)	-	-
5961004101 61 TOROID FERRITE Fair-Rite Products Corp.	4,691 In Stock	1 : ¥10.71000 Bulk	-	Bulk	Active	Toroid	-	61	0.510" (12.95mm)	68 nH	±25%	Ungapped	-	2.2618	31.8	14.06	447.0	Uncoated	0.260" (6.60mm)	-	-
5943001001 FERRITE CORE TOROID 43 Fair-Rite Products Corp.	4,887 In Stock	1 : ¥12.07000 Bulk	-	Bulk	Active	Toroid	-	43	1.142" (29.00mm)	-	±20%	Ungapped	800	-	73.0	37.0	2700.0	Uncoated	0.295" (7.50mm)	-	-
5976022121 FERRITE CORE TOROID 12.8UH 76 Fair-Rite Products Corp.	286 In Stock	1 : ¥21.85000 Bulk	-	Bulk	Active	Toroid	-	76	1.185" (30.10mm)	12.8 µH	±30%	Ungapped	10000	0.978	73.2	74.9	5480.0	Plastic	0.630" (16.00mm)	-	-
CMC020012008H NANOCRYSTAL CORE TOROID 61.5UH Magnetics, a division of Spang & Co.	386 In Stock	1 : ¥32.73000 Bulk	-	Bulk	Active	Toroid	-	Nanocrystalline	0.787" (20.00mm)	61.5 µH	±30%	Ungapped	80000	-	50.2	26.9	-	Polyester	0.315" (8.00mm)	-	-
5943018601 FERRITE CORE TOROID 43 Fair-Rite Products Corp.	597 In Stock	1 : ¥57.30000 Bulk	-	Bulk	Active	Toroid	-	43	-	-	±25%	Ungapped	800	-	98.0	178.0	17500.0	Uncoated	-	-	-
5979003801 FERRITE CORE TOROID 1905NH 79 Fair-Rite Products Corp.	145 In Stock	1 : ¥102.86000 Tray	HF	Tray	Active	Toroid	-	79	2.402" (61.00mm)	1905 nH	±25%	Ungapped	1400	0.00923	147.0	156.0	22300.0	Uncoated	0.500" (12.70mm)	-	-
CMC030020015H NANOCRYSTALLINE CORE TOROID 88UH Magnetics, a division of Spang & Co.	280 In Stock	1 : ¥105.25000 Bulk	-	Bulk	Active	Toroid	-	Nanocrystalline	1.181" (30.00mm)	88 µH	±30%	Ungapped	80000	-	79.0	63.0	-	Polyester	0.591" (15.00mm)	-	-
C058071A2 FERRITE CORE TOROID 61NH HIGH FL Magnetics, a division of Spang & Co.	388 In Stock	1 : ¥66.14000 Bulk	-	Bulk	Active	Toroid	-	High Flux	1.325" (33.66mm)	61 nH	±8%	Ungapped	60	-	81.4	65.6	5340.0	Coated	0.450" (11.45mm)	-	-
5961003821 FERRITE CORE TOROID 170NH 61 Fair-Rite Products Corp.	95 In Stock	1 : ¥119.53000 Bulk	-	Bulk	Active	Toroid	-	61	2.472" (62.80mm)	170 nH	±25%	Ungapped	125	0.91627	145.0	158.0	22800.0	Plastic	0.539" (13.70mm)	-	-
5977000221 FERRITE CORE TOROID 945NH 77 Fair-Rite Products Corp.	388 In Stock	1 : ¥2.98000 Bag	-	Bag	Active	Toroid	-	77	0.402" (10.20mm)	945 nH	-30%, +25%	Ungapped	2000	2.86	20.7	7.2	150.0	Plastic	0.150" (3.81mm)	-	-
5967003821 FERRITE CORE TOROID 55NH 67 Fair-Rite Products Corp.	50 In Stock	1 : ¥204.62000 Box	-	Box	Active	Toroid	-	67	2.472" (62.80mm)	55 nH	-25%, +35%	Ungapped	40	0.92	145.0	158.0	22800.0	Plastic	0.539" (13.70mm)	-	-
5967001201 FERRITE CORE TOROID 67 Fair-Rite Products Corp.	0 In Stock Check Lead Time	1 : ¥39.79000 Bulk	-	Bulk	Active	Toroid	-	67	1.142" (29.00mm)	-	-	Ungapped	40	-	73.0	68.0	5000.0	Uncoated	0.545" (13.84mm)	-	-

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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.