Ferrite Cores

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of 10,233

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
B64290P0037X087 FERRITE CORE TOROID 560NH N87 EPCOS - TDK Electronics	10,331 In Stock	1 : $1.07000 Box	TC6.3/3.8/2.5	Box	Active	Toroid	-	N87	0.249" (6.32mm)	560 nH	±25%	Ungapped	-	2200	4.97	15.21	3.06	-	46.5	Parylene	0.099" (2.52mm)	-	-
B64290P0037X830 FERRITE CORE TOROID 1.09UH N30 EPCOS - TDK Electronics	1,183 In Stock	1 : $1.14000 Bulk	TC6.3/3.8/2.5	Bulk	Active	Toroid	-	N30	0.249" (6.32mm)	1.09 µH	±25%	Ungapped	-	4300	4.97	15.21	3.06	-	46.5	Parylene	0.099" (2.52mm)	-	-
B66303G0000X187 FERRITE CORE E N87 1PC EPCOS - TDK Electronics	23,420 In Stock	1 : $1.46000 Box	E5.3/2.7/2	Box	Active	E	E5	N87	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.104" (2.65mm)	0.207" (5.25mm)	0.079" (2.00mm)
B66311G0100X187 FERRITE CORE E N87 EPCOS - TDK Electronics	4,510 In Stock	1 : $1.82000 Box	-	Box	Active	E	E 20 x 10 x 6	N87	-	-	-	-	-	2200	1.44	46.3	32.1	31.9	1490.0	Uncoated	0.398" (10.10mm)	0.803" (20.40mm)	0.232" (5.90mm)
B66281G0000X187 FERRITE CORE ELP N87 1PC EPCOS - TDK Electronics	12,017 In Stock	1 : $2.19000 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)
T60006L2009W914 FERRITE CORE TOROID 25.5UH VACUUMSCHMELZE	35,136 In Stock	1 : $2.27000 Box	-	Box	Active	Toroid	-	-	0.441" (11.20mm)	25.5 µH	-	Ungapped	-	-	-	25.6	5.94	-	-	Uncoated	0.228" (5.80mm)	-	-
B64290L0045X038 FERRITE CORE TOROID 6.44UH T38 EPCOS - TDK Electronics	22,113 In Stock	1 : $2.27000 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)	-	-
T60006L2012W902 FERRITE CORE TOROID 28UH VACUUMSCHMELZE	17,855 In Stock	1 : $2.51000 Box	-	Box	Active	Toroid	-	-	0.555" (14.10mm)	28 µH	-	Ungapped	-	-	-	31.4	7.2	-	-	Uncoated	0.248" (6.30mm)	-	-
B64290L0632X830 FERRITE CORE TOROID 4.16UH N30 EPCOS - TDK Electronics	3,253 In Stock	1 : $2.53000 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)	-	-
B62152A0004X030 FERRITE CORE 2 HOLE 10UH N30 EPCOS - TDK Electronics	4,373 In Stock	1 : $2.63000 Box	MHB2-14.5/8.5/8.3	Box	Active	Multi-Hole (2)	-	N30	-	10 µH	±30%	Ungapped	-	4300	0.54	15.3	28.4	-	435.0	Uncoated	0.327" (8.30mm)	0.571" (14.50mm)	0.335" (8.50mm)
E18/4/10/R-3C95 FERRITE CORE E 3C95 Ferroxcube	6,605 In Stock	1 : $2.68000 Bulk	-	Bulk	Active	E	E 18 x 4 x 10	3C95	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.157" (4.00mm)	0.709" (18.00mm)	0.394" (10.00mm)
TX22/14/6.4-3E27 FERRITE CORE TOROID 3E+27 Ferroxcube	7,534 In Stock	1 : $2.91000 Bulk	-	Bulk	Active	Toroid	TX 22 x 14 x 6.4	3E27	0.880" (22.35mm)	-	-	-	-	-	-	-	-	-	-	Epoxy	0.265" (6.75mm)	-	-
B62152A0007X001 FERRITE CORE 2 HOLE 140NH K1 EPCOS - TDK Electronics	8,837 In Stock	1 : $2.93000 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)
B65931C0000X033 FERRITE CORE P M33 1PC EPCOS - TDK Electronics	1,843 In Stock	1 : $3.00000 Box	PS5.6/3.7	Box	Active	P (Pot Core)	PCH 5.6 x 3.7	M33	0.220" (5.60mm)	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.146" (3.70mm)	-	-
TX14/9/5-4C65 FERRITE CORE TOROID 4C65 Ferroxcube	2,646 In Stock	1 : $3.13000 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	2,348 In Stock	1 : $3.28000 Bulk	-	Bulk	Active	EQ	EQ 20	3C95	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.248" (6.30mm)	0.787" (20.00mm)	0.551" (14.00mm)
B66283K0000X187 FERRITE CORE I N87 EPCOS - TDK Electronics	2,344 In Stock	1 : $3.32000 Tray	I18/2/10	Tray	Active	I	I 18 x 2 x 10	N87	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.079" (2.00mm)	0.709" (18.00mm)	0.394" (10.00mm)
T60004L2016W620 FERRITE CORE TOROID 15UH VACUUMSCHMELZE	27,603 In Stock	1 : $3.36000 Box	-	Box	Active	Toroid	-	-	0.701" (17.90mm)	15 µH	-	Ungapped	-	-	-	44.8	8.0	-	-	Epoxy	0.315" (8.00mm)	-	-
TX10/6/4-4C65 FERRITE CORE TOROID 4C65 Ferroxcube	3,360 In Stock	1 : $3.45000 Bulk	-	Bulk	Active	Toroid	-	4C65	-	-	-	Ungapped	-	-	3.07	24.1	7.8	-	188.0	Epoxy	0.167" (4.25mm)	-	-
B64290L0618X035 FERRITE CORE TOROID 5.4UH T35 EPCOS - TDK Electronics	3,475 In Stock	1 : $3.70000 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)	-	-
4077484611 FERRITE CORE ROD 77 Fair-Rite Products Corp.	7,100 In Stock	1 : $3.75000 Bulk	-	Bulk	Active	ROD	-	77	0.484" (12.30mm)	-	-	Ungapped	29.0	2000	-	25.0	7.07	-	-	Uncoated	-	1.625" (41.28mm)	-
TX22/14/13-3E27 FERRITE CORE Ferroxcube	1,919 In Stock	1 : $4.09000 Bulk	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	Epoxy	0.551" (14.00mm)	-	0.512" (13.00mm)
T60006L2016W403 FERRITE CORE TOROID 43UH VACUUMSCHMELZE	23,707 In Stock	1 : $4.15000 Box	-	Box	Active	Toroid	-	-	0.705" (17.90mm)	43 µH	-	Ungapped	-	-	-	40.8	14.4	-	-	Uncoated	0.319" (8.10mm)	-	-
T60006L2017W515 FERRITE CORE TOROID 30UH VACUUMSCHMELZE	23,002 In Stock	1 : $4.26000 Box	-	Box	Active	Toroid	-	-	0.756" (19.20mm)	30 µH	-	Ungapped	-	-	-	47.3	11.8	-	-	Uncoated	0.319" (8.10mm)	-	-
B65803J0000R030 FERRITE CORE RM 1.9UH N30 2PCS EPCOS - TDK Electronics	3,985 In Stock	1 : $4.30000 Box	RM4	Box	Active	RM	RM 4	N30	-	1.9 µH	-20%, +30%	Ungapped	2560.0	4300	1.7	22.0	13.0	11.3	286.0	Uncoated	0.207" (5.25mm)	0.433" (11.00mm)	0.181" (4.60mm)

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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.