Ferrite Cores

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of 24

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
5995000201 FERRITE CORE TOROID 1295NH 95 Fair-Rite Products Corp.	11,570 In Stock	1 : £0.25000 Bag	HF	Bag	Active	Toroid	-	95	0.374" (9.50mm)	1295 nH	±25%	Ungapped	3000	0.02911	20.9	7.18	150.0	Uncoated	0.126" (3.20mm)	-	-
5995000301 FERRITE CORE TOROID 1707NH 95 Fair-Rite Products Corp.	4,356 In Stock	1 : £0.57000 Bag	HF	Bag	Active	Toroid	-	95	0.500" (12.70mm)	1707 nH	±25%	Ungapped	3000	0.02209	29.7	13.4	398.0	Uncoated	0.193" (4.90mm)	-	-
5979001101 FERRITE CORE TOROID 1.3UH 79 Fair-Rite Products Corp.	4,359 In Stock	1 : £0.75000 Bag	HF	Bag	Active	Toroid	-	79	0.500" (12.70mm)	1.3 µH	±25%	Ungapped	1400	2.08	31.2	15.0	470.0	Uncoated	0.250" (6.35mm)	-	-
5980001101 FERRITE CORE TOROID 1778NH 80 Fair-Rite Products Corp.	4,426 In Stock	1 : £0.79000 Bag	HF	Bag	Active	Toroid	-	80	0.500" (12.70mm)	335 nH	±25%	Ungapped	550	0.0212	31.0	14.7	455.0	Uncoated	0.250" (6.35mm)	-	-
5980000301 FERRITE CORE TOROID 340NH 80 Fair-Rite Products Corp.	4,648 In Stock	1 : £0.91000 Bag	HF	Bag	Active	Toroid	-	80	0.500" (12.70mm)	340 nH	±25%	Ungapped	550	0.02214	29.2	13.2	385.0	Uncoated	0.193" (4.90mm)	-	-
5980002701 FERRITE CORE TOROID 680NH 79 Fair-Rite Products Corp.	723 In Stock	1 : £4.11000 Tray	HF	Tray	Active	Toroid	-	80	1.400" (35.56mm)	680 nH	±25%	Ungapped	550	0.01107	89.0	80.0	7070.0	Uncoated	0.500" (12.70mm)	-	-
5980003801 FERRITE CORE TOROID 816NH 80 Fair-Rite Products Corp.	103 In Stock	1 : £10.89000 Tray	HF	Tray	Active	Toroid	-	80	2.402" (61.00mm)	816 nH	±25%	Ungapped	550	0.00923	144.0	156.0	22350.0	Uncoated	0.500" (12.70mm)	-	-
5979000101 FERRITE CORE TOROID 280NH 79 Fair-Rite Products Corp.	1,810 In Stock	1 : £0.14000 Bag	HF	Bag	Active	Toroid	-	79	0.234" (5.95mm)	280 nH	±25%	Ungapped	1400	0.06259	12.85	2.054	26.4	Uncoated	0.065" (1.65mm)	-	-
5980000101 FERRITE CORE TOROID 120NH 80 Fair-Rite Products Corp.	1,733 In Stock	1 : £0.23000 Bag	HF	Bag	Active	Toroid	-	80	0.234" (5.95mm)	120 nH	±25%	Ungapped	550	0.06259	12.85	2.054	26.0	Uncoated	0.065" (1.65mm)	-	-
5979000201 FERRITE CORE TOROID 626NH 79 Fair-Rite Products Corp.	13,706 In Stock	1 : £0.28000 Bag	HF	Bag	Active	Toroid	-	79	0.374" (9.50mm)	626 nH	±25%	Ungapped	1400	2.85	20.7	7.2	150.0	Uncoated	0.126" (3.20mm)	-	-
5995001101 FERRITE CORE TOROID 1778NH 95 Fair-Rite Products Corp.	3,484 In Stock	1 : £0.81000 Bag	HF	Bag	Active	Toroid	-	95	0.500" (12.70mm)	1778 nH	±25%	Ungapped	3000	0.0212	31.0	14.7	455.0	Uncoated	0.250" (6.35mm)	-	-
5980001801 FERRITE CORE TOROID 355NH Fair-Rite Products Corp.	900 In Stock	1 : £1.42000 Bulk	HF	Bulk	Active	Toroid	-	-	0.870" (22.10mm)	355 nH	±25%	Ungapped	550	207.0	54.2	26.1	1420.0	Uncoated	0.250" (6.35mm)	-	-
5995001001 FERRITE CORE TOROID 1949NH 95 Fair-Rite Products Corp.	373 In Stock	1 : £1.82000 Tray	HF	Tray	Active	Toroid	-	95	1.142" (29.00mm)	1949 nH	±25%	Ungapped	3000	0.01934	73.7	38.0	2798.0	Uncoated	0.295" (7.50mm)	-	-
5979002701 FERRITE CORE Fair-Rite Products Corp.	227 In Stock	1 : £2.80000 Bulk	HF	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
5995002701 FERRITE CORE TOROID 3290NH 95 Fair-Rite Products Corp.	259 In Stock	1 : £3.10000 Tray	HF	Tray	Active	Toroid	-	95	1.400" (35.56mm)	3290 nH	±25%	Ungapped	3000	0.01146	8.9	78.3	7024.0	Uncoated	0.500" (12.70mm)	-	-
5979000301 FERRITE CORE TOROID 794NH 79 Fair-Rite Products Corp.	4,748 In Stock	1 : £0.85000 Bag	HF	Bag	Active	Toroid	-	79	0.500" (12.70mm)	794 nH	±25%	Ungapped	1400	0.02214	29.2	13.2	385.0	Uncoated	0.193" (4.90mm)	-	-
5995001801 FERRITE CORE TOROID 1824NH 95 Fair-Rite Products Corp.	1,280 In Stock	1 : £1.15000 Tray	HF	Tray	Active	Toroid	-	95	0.870" (22.10mm)	1824 nH	±25%	Ungapped	3000	0.02067	54.1	26.2	1417.0	Uncoated	0.250" (6.35mm)	-	-
5979001801 FERRITE CORE TOROID 840NH 79 Fair-Rite Products Corp.	913 In Stock	1 : £1.28000 Bulk	HF	Bulk	Active	Toroid	-	79	0.870" (22.10mm)	863 nH	±25%	Ungapped	1400	2.07	54.1	26.0	142.0	Uncoated	0.250" (6.35mm)	-	-
5979001001 FERRITE CORE TOROID 860NH 79 Fair-Rite Products Corp.	465 In Stock	1 : £2.01000 Bulk	HF	Bulk	Active	Toroid	-	79	1.142" (29.00mm)	860 nH	±25%	Ungapped	1400	1.98	73.2	37.0	2700.0	Uncoated	0.295" (7.50mm)	-	-
5995000101 FERRITE CORE TOROID 595NH 95 Fair-Rite Products Corp.	738 In Stock	1 : £0.14000 Bag	HF	Bag	Active	Toroid	-	95	0.234" (5.95mm)	595 nH	±25%	Ungapped	3000	0.06337	1.3	2.06	26.8	Uncoated	0.065" (1.65mm)	-	-
5980000201 FERRITE CORE TOROID 245NH Fair-Rite Products Corp.	885 In Stock	1 : £0.40000 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)	-	-
5979003801 FERRITE CORE TOROID 1905NH 79 Fair-Rite Products Corp.	90 In Stock	1 : £24.00000 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)	-	-
5980001001 FERRITE CORE TOROID 350NH Fair-Rite Products Corp.	27 In Stock	1 : £2.26000 Bulk	HF	Bulk	Active	Toroid	-	-	-	350 nH	±25%	Ungapped	550	198.0	73.0	37.0	2700.0	Uncoated	0.295" (7.49mm)	-	-
5995003801 FERRITE CORE TOROID 4.2UH 95 Fair-Rite Products Corp.	0 In Stock Check Lead Time	1 : £8.34000 Tray	HF	Tray	Active	Toroid	-	95	2.402" (61.00mm)	4.2 µH	±25%	Ungapped	3000	0.00897	14.4	16.0	23080.0	Uncoated	0.500" (12.70mm)	-	-

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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.