Ferrite Cores

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Mfr Part #	Quantity Available	Price	Series	Package	Product Status	Core Type	Supplier Device Package	Material	Diameter	Inductance Factor (Al)	Tolerance	Gap	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

E80/38/20-3C94 FERRITE CORE E 3C94 Ferroxcube	985 In Stock	1 : ¥51.85000 Bulk	-	Bulk	Active	E	E 80 x 38 x 20	3C94	-	-	-	-	-	-	-	-	-	-	Uncoated	1.500" (38.10mm)	3.150" (80.00mm)	0.780" (19.80mm)
B66375G0000X187 FERRITE CORE E N87 1PC EPCOS - TDK Electronics	694 In Stock	1 : ¥89.68000 Box	E80/38/20	Box	Active	E	E 80 x 38 x 20	N87	-	-	-	Ungapped	-	-	-	-	-	-	Uncoated	1.516" (38.50mm)	3.150" (80.00mm)	0.795" (20.20mm)
E71/33/32-3C94 FERRITE CORE E 3C94 Ferroxcube	370 In Stock	1 : ¥92.66000 Bulk	-	Bulk	Active	E	E 71 x 33 x 32	3C94	-	-	-	-	-	-	-	-	-	-	Uncoated	1.307" (33.20mm)	2.776" (70.50mm)	1.260" (32.00mm)
B66371G0000X187 FERRITE CORE E N87 1PC EPCOS - TDK Electronics	328 In Stock	1 : ¥109.75000 Box	E70/33/32	Box	Active	E	E 70 x 33 x 32	N87	-	-	-	Ungapped	-	-	-	-	-	-	Uncoated	1.307" (33.20mm)	2.776" (70.50mm)	1.260" (32.00mm)
B66371Q0400K187 FERRITE CORE E 400NH N87 EPCOS - TDK Electronics	104 In Stock	1 : ¥117.40000 Bulk	E70/33/32	Bulk	Active	E	E 70 x 33 x 32	N87	-	400 nH	±10%	Distributed Gapped	-	0.22	149.0	683.0	676.0	102000.0	Uncoated	1.307" (33.20mm)	2.776" (70.50mm)	1.260" (32.00mm)
B66371Q0250K187 FERRITE CORE E 250NH N87 EPCOS - TDK Electronics	50 In Stock	1 : ¥117.40000 Bulk	E70/33/32	Bulk	Active	E	E 70 x 33 x 32	N87	-	250 nH	±10%	Distributed Gapped	2200	0.22	149.0	683.0	676.0	102000.0	Uncoated	1.307" (33.20mm)	2.776" (70.50mm)	1.260" (32.00mm)
B66371Q0100K187 FERRITE CORE E 100NH N87 EPCOS - TDK Electronics	59 In Stock	1 : ¥117.40000 Bulk	E70/33/32	Bulk	Active	E	E 70 x 33 x 32	N87	-	100 nH	±10%	Distributed Gapped	-	0.22	149.0	683.0	676.0	102000.0	Uncoated	1.307" (33.20mm)	2.776" (70.50mm)	1.260" (32.00mm)

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Ferrite Cores

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.