Ferrite Cores

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of 10,969

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	10,270 In Stock	1 : $0.57000 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	12,766 In Stock	1 : $0.61000 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	22,770 In Stock	1 : $0.78000 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	10,355 In Stock	1 : $0.97000 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)
PLT18/10/2/S-3F36 FERRITE CORE PLT 3F36 Ferroxcube	30,572 In Stock	1 : $0.99000 Bulk	-	Bulk	Active	PLT	PLT 18 x 10 x 2	3F36	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.094" (2.40mm)	0.709" (18.00mm)	0.394" (10.00mm)
PLT14/5/1.5/S-3F46 FERRITE CORE PLT 3F46 Ferroxcube	726 In Stock	1 : $1.03000 Bulk	-	Bulk	Active	PLT	PLT 14 x 5 x 1.5	3F46	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.059" (1.50mm)	0.551" (14.00mm)	0.197" (5.00mm)
B66281G0000X187 FERRITE CORE ELP N87 1PC EPCOS - TDK Electronics	11,947 In Stock	1 : $1.17000 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	34,974 In Stock	1 : $1.21000 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	21,253 In Stock	1 : $1.21000 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)	-	-
E14/3.5/5/R-3F46 FERRITE CORE E 3F46 Ferroxcube	1,702 In Stock	1 : $1.24000 Bulk	-	Bulk	Active	E	E 14 x 3.5 x 5	3F46	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.138" (3.50mm)	0.551" (14.00mm)	0.197" (5.00mm)
B64290L0632X830 FERRITE CORE TOROID 4.16UH N30 EPCOS - TDK Electronics	6,170 In Stock	1 : $1.35000 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	4,363 In Stock	1 : $1.40000 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	4,580 In Stock	1 : $1.43000 Bulk	-	Bulk	Active	E	E 18 x 4 x 10	3C95	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.157" (4.00mm)	0.709" (18.00mm)	0.394" (10.00mm)
E18/4/10/R-3F36 FERRITE CORE E 3F36 Ferroxcube	853 In Stock	1 : $1.51000 Bulk	-	Bulk	Active	E	E 18 x 4 x 10	3F36	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.157" (4.00mm)	0.709" (18.00mm)	0.394" (10.00mm)
TX22/14/6.4-3E27 FERRITE CORE TOROID 3E+27 Ferroxcube	7,128 In Stock	1 : $1.55000 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	14,801 In Stock	1 : $1.56000 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)
B66423G0000X187 FERRITE CORE EFD N87 1PC EPCOS - TDK Electronics	1,977 In Stock	1 : $1.59000 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)
B65931C0000X033 FERRITE CORE P M33 1PC EPCOS - TDK Electronics	9,842 In Stock	1 : $1.60000 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	170 In Stock	1 : $1.67000 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)	-	-
B64290L0632X038 FERRITE CORE TOROID 9.74UH T38 EPCOS - TDK Electronics	3,673 In Stock	1 : $1.71000 Box	TX20/10/7	Box	Active	Toroid	-	T38	0.835" (21.20mm)	9.74 µH	±30%	Ungapped	-	10000	1.3	43.55	33.63	-	1465.0	Epoxy	0.319" (8.10mm)	-	-
B64290L0618X830 FERRITE CORE TOROID 4.62UH N30 EPCOS - TDK Electronics	3,007 In Stock	1 : $1.71000 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)	-	-
EQ20/R-3C95 FERRITE CORE EQ 3C95 Ferroxcube	2,147 In Stock	1 : $1.75000 Bulk	-	Bulk	Active	EQ	EQ 20	3C95	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.248" (6.30mm)	0.787" (20.00mm)	0.551" (14.00mm)
T60004L2016W620 FERRITE CORE TOROID 15UH VACUUMSCHMELZE	27,576 In Stock	1 : $1.79000 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 : $1.84000 Bulk	-	Bulk	Active	Toroid	-	4C65	-	-	-	Ungapped	-	-	3.07	24.1	7.8	-	188.0	Epoxy	0.167" (4.25mm)	-	-
B65843A0000R087 FERRITE CORE EP 1.6UH N87 2PCS EPCOS - TDK Electronics	3,753 In Stock	1 : $1.86000 Box	EP13	Box	Active	EP	EP 13	N87	-	1.6 µH	-20%, +30%	Ungapped	1580.0	2200	1.24	24.2	19.5	14.9	472.0	Uncoated	0.256" (6.50mm)	0.504" (12.80mm)	0.354" (9.00mm)

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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.