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

RM8/I-3C95 FERRITE CORE RM 3C95 2PC SET Ferroxcube	1,541 In Stock	1 : ¥20.40000 Bulk	-	Bulk	Active	RM	RM 8	3C95	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.646" (16.40mm)	0.913" (23.20mm)	0.433" (11.00mm)
B65811J0000R087 FERRITE CORE RM 3.3UH N87 2PCS EPCOS - TDK Electronics	1,333 In Stock	1 : ¥22.02000 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)
B65811J0250A087 FERRITE CORE RM 250NH N87 2PCS EPCOS - TDK Electronics	1,986 In Stock	1 : ¥23.12000 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)
B65811J0000R097 FERRITE CORE RM 3.3UH N97 2PCS EPCOS - TDK Electronics	774 In Stock	1 : ¥28.56000 Box	RM8	Box	Active	RM	RM 8	N97	-	3.3 µH	-20%, +30%	Ungapped	1560.0	2300	0.59	38.0	64.0	55.0	2430.0	Uncoated	0.324" (8.25mm)	0.913" (23.20mm)	0.433" (11.00mm)
B65811J0000R049 FERRITE CORE RM 2.2UH N49 2PCS EPCOS - TDK Electronics	688 In Stock	1 : ¥31.79000 Box	RM8	Box	Active	RM	RM 8	N49	-	2.2 µH	-20%, +30%	Ungapped	1040.0	1500	0.59	38.0	64.0	55.0	2430.0	Uncoated	0.324" (8.25mm)	0.913" (23.20mm)	0.433" (11.00mm)
B65811J0000R041 FERRITE CORE RM 4.1UH N41 2PCS EPCOS - TDK Electronics	817 In Stock	1 : ¥26.61000 Box	RM8	Box	Active	RM	RM 8	N41	-	4.1 µH	-20%, +30%	Ungapped	1940.0	2800	0.59	38.0	64.0	55.0	2430.0	Uncoated	0.324" (8.25mm)	0.913" (23.20mm)	0.433" (11.00mm)
B65811J0000R095 FERRITE CORE RM EPCOS - TDK Electronics	0 In Stock Check Lead Time	800 : ¥14.05188 Box	RM8	Box	Active	RM	-	-	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	-	-	-

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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.