Ferrite Cores

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of 11,849

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
B62152P0008X030 FERRITE CORE 2 HOLE 3.1UH N30 TDK	82,346 In Stock	1 : $1.15000 Box	MHB2/P-3.6/2.1/2.5	Box	Active	Multi-Hole (2)	-	N30	-	3.1 µH	±30%	Ungapped	-	4300	1.78	3.7	2.1	-	7.8	Parylene	0.100" (2.54mm)	0.144" (3.65mm)	0.085" (2.15mm)
B66307G0000X187 FERRITE CORE E N87 1PC TDK	29,526 In Stock	1 : $1.15000 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)
B66417G0000X187 FERRITE CORE EFD N87 1PC TDK	3,450 In Stock	1 : $1.30000 Box	EFD20/10/7	Box	Active	EFD	EFD 20 x 10 x 7	N87	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.394" (10.00mm)	0.787" (20.00mm)	0.262" (6.65mm)
B64290P0037X038 FERRITE CORE TOROID 2.53UH T38 TDK	15,914 In Stock	1 : $1.39000 Bulk	TC6.3/3.8/2.5	Bulk	Active	Toroid	-	T38	0.249" (6.32mm)	2.53 µH	±30%	Ungapped	-	10000	4.97	15.21	3.06	-	46.5	Parylene	0.099" (2.52mm)	-	-
B64290L0632X027 FERRITE CORE TOROID 1.94UH N27 TDK	11,951 In Stock	1 : $1.83000 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	18,810 In Stock	1 : $2.17000 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)	-	-
T60006L2009W914 FERRITE CORE TOROID 25.5UH VACUUMSCHMELZE	17,171 In Stock	1 : $2.21000 Box	-	Box	Active	Toroid	-	-	0.441" (11.20mm)	25.5 µH	-	Ungapped	-	-	-	25.6	5.94	-	-	Uncoated	0.228" (5.80mm)	-	-
B66281G0000X187 FERRITE CORE ELP N87 1PC TDK	5,851 In Stock	1 : $2.25000 Box	ELP14/3.5/5	Box	Active	ELP	ELP 14 x 3.5 x 5	N87	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.138" (3.50mm)	0.551" (14.00mm)	0.197" (5.00mm)
PLT18/10/2/S-3F36 FERRITE CORE PLT 3F36 Ferroxcube	9,983 In Stock	1 : $2.27000 Bulk	-	Bulk	Active	PLT	PLT 18 x 10 x 2	3F36	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.094" (2.40mm)	0.709" (18.00mm)	0.394" (10.00mm)
B64290L0045X038 FERRITE CORE TOROID 6.44UH T38 TDK	19,583 In Stock	1 : $2.32000 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)	-	-
3078990901 FERRITE CORE ROD 78 Fair-Rite Products Corp.	13,549 In Stock	1 : $2.43000 Bulk	-	Bulk	Active	ROD	-	78	0.250" (6.35mm)	-	-	Ungapped	26.0	2300	-	-	28.3	-	-	Uncoated	-	1.575" (40.00mm)	-
T60006L2012W902 FERRITE CORE TOROID 28UH VACUUMSCHMELZE	5,630 In Stock	1 : $2.45000 Box	-	Box	Active	Toroid	-	-	0.555" (14.10mm)	28 µH	-	Ungapped	-	-	-	31.4	7.2	-	-	Uncoated	0.248" (6.30mm)	-	-
B66423G0000X187 FERRITE CORE EFD N87 1PC TDK	1,929 In Stock	1 : $2.45000 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)
B64290L0618X087 FERRITE CORE TOROID 2.36UH N87 TDK	7,482 In Stock	1 : $2.54000 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)	-	-
B66361G0000X187 FERRITE CORE ETD N87 1PC TDK	1,036 In Stock	1 : $2.58000 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)
B65525J0000R087 FERRITE CORE ER 1.2UH N87 2PCS TDK	12,295 In Stock	1 : $2.61000 Box	ER11/5	Box	Active	ER	ER 11 x 5	N87	-	1.2 µH	-20%, +30%	Ungapped	1050.0	2200	1.1	14.1	12.4	-	174.0	Uncoated	0.098" (2.50mm)	0.433" (11.00mm)	0.236" (6.00mm)
B62152A0007X001 FERRITE CORE 2 HOLE 140NH K1 TDK	11,328 In Stock	1 : $2.63000 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)
B64290L0618X830 FERRITE CORE TOROID 4.62UH N30 TDK	4,592 In Stock	1 : $2.70000 Bulk	TX25.3/14.8/10	Bulk	Active	Toroid	-	N30	1.047" (26.60mm)	4.62 µH	±25%	Ungapped	-	4300	1.17	60.07	51.26	-	3079.0	Epoxy	0.433" (11.00mm)	-	-
0077120A7 FERRITE CORE TOROID 72NH KOOL MU Magnetics, a division of Spang & Co.	862 In Stock	1 : $2.89000 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)	-	-
B66281K0000X187 FERRITE CORE I N87 TDK	8,762 In Stock	1 : $3.00000 Bag	I14/1.5/5	Bag	Active	I	I 14 x 1.5 x 5	N87	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.059" (1.50mm)	0.551" (14.00mm)	0.197" (5.00mm)
B64290L0618X035 FERRITE CORE TOROID 5.4UH T35 TDK	819 In Stock	1 : $3.01000 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)	-	-
TX14/9/5-4C65 FERRITE CORE TOROID 4C65 Ferroxcube	5,216 In Stock	1 : $3.05000 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)	-	-
EQ20/R-3C95 FERRITE CORE EQ 3C95 Ferroxcube	6,780 In Stock	1 : $3.20000 Bulk	-	Bulk	Active	EQ	EQ 20	3C95	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.248" (6.30mm)	0.787" (20.00mm)	0.551" (14.00mm)
5943001001 FERRITE CORE TOROID 43 Fair-Rite Products Corp.	6,360 In Stock	1 : $3.32000 Bulk	-	Bulk	Active	Toroid	-	43	1.142" (29.00mm)	-	±20%	Ungapped	-	800	-	73.0	37.0	-	2700.0	Uncoated	0.295" (7.50mm)	-	-
B64290L0618X038 FERRITE CORE TOROID 10.7UH T38 TDK	8,710 In Stock	1 : $3.45000 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)	-	-

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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.