Ferrite Cores

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of 11,948

Mfr Part #	Quantity Available	Price	Series	Package	Product Status	Core Type	Supplier Device Package	Material	Diameter	Inductance Factor (Al)	Tolerance	Gap	Effective Permeability (µe)	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
B66307G0000X187 FERRITE CORE E N87 1PC TDK	40,359 In Stock	1 : RM2.88000 Box	E16/8/5	Box	Active	E	E 16 x 8 x 5	N87	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.323" (8.20mm)	0.630" (16.00mm)	0.185" (4.70mm)
B64290L0045X830 FERRITE CORE TOROID 2.77UH N30 TDK	11,990 In Stock	1 : RM3.56000 Bulk	TX16/9.6/6.3	Bulk	Active	Toroid	-	N30	0.677" (17.20mm)	2.77 µH	±25%	Ungapped	-	4300	1.95	38.52	19.73	-	760.0	Epoxy	0.287" (7.30mm)	-	-
B66413G0000X187 FERRITE CORE EFD N87 1PC TDK	7,330 In Stock	1 : RM3.56000 Box	EFD15/8/5	Box	Active	EFD	EFD 15 x 8 x 5	N87	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.295" (7.50mm)	0.591" (15.00mm)	0.183" (4.65mm)
B64290L0632X027 FERRITE CORE TOROID 1.94UH N27 TDK	12,833 In Stock	1 : RM4.35000 Box	TX20/10/7	Box	Active	Toroid	-	N27	0.835" (21.20mm)	1.94 µH	±25%	Ungapped	-	2000	1.3	43.55	33.63	33.63	1465.0	Epoxy	0.319" (8.10mm)	-	-
B64290L0632X830 FERRITE CORE TOROID 4.16UH N30 TDK	13,358 In Stock	1 : RM4.70000 Bulk	TX20/10/7	Bulk	Active	Toroid	-	N30	0.835" (21.20mm)	4.16 µH	±25%	Ungapped	-	4300	1.3	43.55	33.63	-	1465.0	Epoxy	0.319" (8.10mm)	-	-
B64290L0045X038 FERRITE CORE TOROID 6.44UH T38 TDK	5,710 In Stock	1 : RM5.02000 Bulk	TX16/9.6/6.3	Bulk	Active	Toroid	-	T38	0.677" (17.20mm)	6.44 µH	±30%	Ungapped	-	10000	1.95	38.52	19.73	-	760.0	Epoxy	0.287" (7.30mm)	-	-
B62152A0007X001 FERRITE CORE 2 HOLE 140NH K1 TDK	23,521 In Stock	1 : RM5.45000 Box	MHB2-7.25/4.2/6.2	Box	Active	Multi-Hole (2)	-	K1	-	140 nH	±30%	Ungapped	-	80	0.75	7.6	10.2	-	78.0	Uncoated	0.244" (6.20mm)	0.285" (7.25mm)	0.165" (4.20mm)
B64290L0618X087 FERRITE CORE TOROID 2.36UH N87 TDK	11,017 In Stock	1 : RM5.45000 Box	TX25.3/14.8/10	Box	Active	Toroid	-	N87	1.047" (26.60mm)	2.36 µH	±25%	Ungapped	-	2200	1.17	60.07	51.26	-	3079.0	Epoxy	0.433" (11.00mm)	-	-
B66423G0000X187 FERRITE CORE EFD N87 1PC TDK	1,720 In Stock	1 : RM5.77000 Box	EFD30/15/9	Box	Active	EFD	EFD 30 x 15 x 9	N87	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.591" (15.00mm)	1.181" (30.00mm)	0.358" (9.10mm)
T60006L2009W914 FERRITE CORE TOROID 25.5UH VACUUMSCHMELZE	56,632 In Stock	1 : RM5.93000 Box	-	Box	Active	Toroid	-	-	0.441" (11.20mm)	25.5 µH	-	Ungapped	-	-	-	25.6	5.94	-	-	Uncoated	0.228" (5.80mm)	-	-
3078990901 FERRITE CORE ROD 78 Fair-Rite Products Corp.	7,536 In Stock	1 : RM6.16000 Bulk	-	Bulk	Active	ROD	-	78	0.250" (6.35mm)	-	-	Ungapped	26.0	2300	-	-	28.3	-	-	Uncoated	-	1.575" (40.00mm)	-
TX22/14/6.4-3E27 FERRITE CORE TOROID 3E+27 Ferroxcube	1,841 In Stock	1 : RM6.40000 Bulk	-	Bulk	Active	Toroid	TX 22 x 14 x 6.4	3E27	0.880" (22.35mm)	-	-	-	-	-	-	-	-	-	-	Epoxy	0.265" (6.75mm)	-	-
0077120A7 FERRITE CORE TOROID 72NH KOOL MU Magnetics, a division of Spang & Co.	8,398 In Stock	1 : RM6.56000 Bulk	-	Bulk	Active	Toroid	-	Kool Mµ	0.653" (16.59mm)	72 nH	±8%	Ungapped	-	125	-	41.2	19.2	-	791.0	Coated	0.250" (6.35mm)	-	-
B66421G0000X187 FERRITE CORE EFD N87 1PC TDK	609 In Stock	1 : RM6.72000 Box	EFD25/13/9	Box	Active	EFD	EFD 25 x 13 x 9	N87	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.492" (12.50mm)	0.984" (25.00mm)	0.358" (9.10mm)
TX14/9/5-4C65 FERRITE CORE TOROID 4C65 Ferroxcube	3,421 In Stock	1 : RM6.95000 Bulk	-	Bulk	Active	Toroid	TX 14 x 9 x 5	4C65	0.561" (14.25mm)	-	±30%	Ungapped	-	-	2.84	35.0	12.3	-	430.0	Epoxy	0.207" (5.25mm)	-	-
B64290L0618X035 FERRITE CORE TOROID 5.4UH T35 TDK	6,647 In Stock	1 : RM7.15000 Bulk	TX25.3/14.8/10	Bulk	Active	Toroid	-	T35	1.047" (26.60mm)	5.4 µH	±25%	Ungapped	-	5000	1.17	60.07	51.26	-	3079.0	Epoxy	0.433" (11.00mm)	-	-
EQ20/R-3C95 FERRITE CORE EQ 3C95 Ferroxcube	8,678 In Stock	1 : RM7.23000 Bulk	-	Bulk	Active	EQ	EQ 20	3C95	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.248" (6.30mm)	0.787" (20.00mm)	0.551" (14.00mm)
B66361G0000X187 FERRITE CORE ETD N87 1PC TDK	11,151 In Stock	1 : RM7.35000 Box	ETD34/17/11	Box	Active	ETD	ETD 34 x 17 x 11	N87	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.689" (17.50mm)	1.339" (34.00mm)	0.433" (11.00mm)
B64290L0618X038 FERRITE CORE TOROID 10.7UH T38 TDK	2,825 In Stock	1 : RM7.47000 Bulk	TX25.3/14.8/10	Bulk	Active	Toroid	-	T38	1.047" (26.60mm)	10.7 µH	±30%	Ungapped	-	10000	1.17	60.07	51.26	-	3079.0	Epoxy	0.433" (11.00mm)	-	-
5943001001 FERRITE CORE TOROID 43 Fair-Rite Products Corp.	579 In Stock	1 : RM8.49000 Bulk	-	Bulk	Active	Toroid	-	43	1.142" (29.00mm)	-	±20%	Ungapped	-	800	-	73.0	37.0	-	2700.0	Uncoated	0.295" (7.50mm)	-	-
B65541D0000R048 FERRITE CORE P 2.1UH N48 2PCS TDK	7,384 In Stock	1 : RM8.65000 Box	P14/8	Box	Active	P (Pot Core)	P 14 x 8	N48	0.563" (14.30mm)	2.1 µH	-20%, +30%	Ungapped	1340.0	-	0.8	20.0	25.0	20.0	500.0	Uncoated	0.167" (4.25mm)	-	-
TX22/14/13-3E27 FERRITE CORE Ferroxcube	14,241 In Stock	1 : RM9.05000 Bulk	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	Epoxy	0.551" (14.00mm)	-	0.512" (13.00mm)
B66287G0000X187 FERRITE CORE ELP N87 1PC TDK	11,022 In Stock	1 : RM9.12000 Box	ELP32/6/20	Box	Active	ELP	ELP 32 x 6 x 20	N87	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.250" (6.35mm)	1.250" (31.75mm)	0.801" (20.35mm)
ZW42206TC FERRITE CORE TOROID 6.04UH W Magnetics, a division of Spang & Co.	2,545 In Stock	1 : RM9.56000 Bulk	-	Bulk	Active	Toroid	-	W	0.908" (23.07mm)	6.04 µH	±30%	Ungapped	-	10000	-	54.2	25.7	-	1393.0	Epoxy	0.276" (7.00mm)	-	-
T60004L2016W620 FERRITE CORE TOROID 15UH VACUUMSCHMELZE	30,346 In Stock	1 : RM9.68000 Box	-	Box	Active	Toroid	-	-	0.701" (17.90mm)	15 µH	-	Ungapped	-	-	-	44.8	8.0	-	-	Epoxy	0.315" (8.00mm)	-	-

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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.