Ferrite Cores

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of 11.712

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	27.495 In Stock	1 : 0,54000 € 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)
B64290L0632X027 FERRITE CORE TOROID 1.94UH N27 TDK	10.871 In Stock	1 : 0,85000 € 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	14.483 In Stock	1 : 1,01000 € 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	10.140 In Stock	1 : 1,08000 € 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)	-	-
PLT18/10/2/S-3F36 FERRITE CORE PLT 3F36 Ferroxcube	8.452 In Stock	1 : 1,10000 € Bulk	-	Bulk	Active	PLT	PLT 18 x 10 x 2	3F36	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.094" (2.40mm)	0.709" (18.00mm)	0.394" (10.00mm)
B66361G0000X187 FERRITE CORE ETD N87 1PC TDK	11.450 In Stock	1 : 1,16000 € 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)
B62152A0007X001 FERRITE CORE 2 HOLE 140NH K1 TDK	25.683 In Stock	1 : 1,17000 € 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	12.187 In Stock	1 : 1,17000 € 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)	-	-
T60006L2009W914 FERRITE CORE TOROID 25.5UH VACUUMSCHMELZE	6.301 In Stock	1 : 1,27000 € Box	-	Box	Active	Toroid	-	-	0.441" (11.20mm)	25.5 µH	-	Ungapped	-	-	-	25.6	5.94	-	-	Uncoated	0.228" (5.80mm)	-	-
B66421G0000X187 FERRITE CORE EFD N87 1PC TDK	1.636 In Stock	1 : 1,31000 € 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)
3078990901 FERRITE CORE ROD 78 Fair-Rite Products Corp.	9.578 In Stock	1 : 1,33000 € Bulk	-	Bulk	Active	ROD	-	78	0.250" (6.35mm)	-	-	Ungapped	26.0	2300	-	-	28.3	-	-	Uncoated	-	1.575" (40.00mm)	-
B66281K0000X187 FERRITE CORE I N87 TDK	5.085 In Stock	1 : 1,39000 € 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	688 In Stock	1 : 1,40000 € 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)	-	-
0077120A7 FERRITE CORE TOROID 72NH KOOL MU Magnetics, a division of Spang & Co.	5.746 In Stock	1 : 1,41000 € 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)	-	-
TX14/9/5-4C65 FERRITE CORE TOROID 4C65 Ferroxcube	3.856 In Stock	1 : 1,50000 € 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	11.197 In Stock	1 : 1,56000 € Bulk	-	Bulk	Active	EQ	EQ 20	3C95	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.248" (6.30mm)	0.787" (20.00mm)	0.551" (14.00mm)
B64290L0618X038 FERRITE CORE TOROID 10.7UH T38 TDK	4.091 In Stock	1 : 1,61000 € 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.	3.804 In Stock	1 : 1,83000 € 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	7.398 In Stock	1 : 1,86000 € 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	14.945 In Stock	1 : 1,95000 € Bulk	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	Epoxy	0.551" (14.00mm)	-	0.512" (13.00mm)
B66287G0000X187 FERRITE CORE ELP N87 1PC TDK	11.649 In Stock	1 : 1,96000 € 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)
T60004L2016W620 FERRITE CORE TOROID 15UH VACUUMSCHMELZE	31.403 In Stock	1 : 2,08000 € Box	-	Box	Active	Toroid	-	-	0.701" (17.90mm)	15 µH	-	Ungapped	-	-	-	44.8	8.0	-	-	Epoxy	0.315" (8.00mm)	-	-
B65811J0000R087 FERRITE CORE RM 3.3UH N87 2PCS TDK	2.735 In Stock	1 : 2,12000 € Box	RM8	Box	Active	RM	RM 8	N87	-	3.3 µH	-20%, +30%	Ungapped	1560.0	2200	0.59	38.0	64.0	55.0	2430.0	Uncoated	0.324" (8.25mm)	0.913" (23.20mm)	0.433" (11.00mm)
B66287K0000X187 FERRITE CORE I N87 TDK	2.686 In Stock	1 : 2,16000 € Tray	I32/3/20	Tray	Active	I	I 32 x 3 x 20	N87	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.124" (3.15mm)	1.250" (31.75mm)	0.801" (20.35mm)
B65811J0250A087 FERRITE CORE RM 250NH N87 2PCS TDK	1.233 In Stock	1 : 2,20000 € Box	RM8	Box	Active	RM	RM 8	N87	-	250 nH	±3%	Gapped	118.0	2200	0.59	38.0	64.0	55.0	2430.0	Uncoated	0.324" (8.25mm)	0.913" (23.20mm)	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.