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	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

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)
B66375G0000X197 FERRITE CORE E 4.7UH N97 EPCOS - TDK Electronics	57 In Stock	1 : ¥88.32000 Box	E80/38/20	Box	Active	E	E 80 x 38 x 20	N97	-	4.7 µH	-20%, +30%	Ungapped	1770.0	-	0.47	184.0	388.0	388.0	71800.0	Uncoated	1.516" (38.50mm)	3.150" (80.00mm)	0.795" (20.20mm)
B66375G0000X127 FERRITE CORE E N27 1PC EPCOS - TDK Electronics	85 In Stock	1 : ¥76.51000 Box	E80/38/20	Box	Active	E	E 80 x 38 x 20	N27	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	1.516" (38.50mm)	3.150" (80.00mm)	0.795" (20.20mm)
B66375G0500X187 FERRITE CORE E N87 EPCOS - TDK Electronics	79 In Stock	1 : ¥119.95000 Box	E80/38/20	Box	Active	E	E 80 x 38 x 20	N87	-	-	-	Gapped	-	2200	0.47	184.0	390.0	388.0	71800.0	Uncoated	1.516" (38.50mm)	3.150" (80.00mm)	0.795" (20.20mm)
B66375G0250X187 FERRITE CORE E N87 EPCOS - TDK Electronics	0 In Stock Check Lead Time	80 : ¥67.25625 Box	E80/38/20	Box	Active	E	E 80 x 38 x 20	N87	-	-	-	Gapped	-	2200	0.47	184.0	390.0	388.0	71800.0	Uncoated	1.516" (38.50mm)	3.150" (80.00mm)	0.795" (20.20mm)
B66375G1000X187 FERRITE CORE E N87 EPCOS - TDK Electronics	0 In Stock Check Lead Time	80 : ¥69.56413 Box	E80/38/20	Box	Active	E	E 80 x 38 x 20	N87	-	-	-	Gapped	-	2200	0.47	184.0	390.0	388.0	71800.0	Uncoated	1.516" (38.50mm)	3.150" (80.00mm)	0.795" (20.20mm)

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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.