Ferrite Cores

Browse available Ferrite Cores components by manufacturer and part number. Review stock status, datasheets and key technical parameters to compare suitable options for design, maintenance, replacement or purchasing.

If you already have a target MPN or BOM, send it to EGOO with the required quantity. Our sourcing team can check availability, lead time and quotation options, including hard-to-find and obsolete parts.

Mfr. Part #	Availability	Price	Quantity	Datasheet	Series	Packaging	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
P14/8-3C92 Ferrite Misc Ferroxcube	3,595	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
RM4/I-3F36-A100 FERRITE CORE RM 100NH 3F36 2PC Ferroxcube	2,795	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 4	3F36	-	100 nH	±3%	Gapped	134.0	-	1.69	23.3	13.8	11.5	322.0	Uncoated	0.421" (10.40mm)	0.433" (11.00mm)	0.386" (9.80mm)
RM4/I-3F36-A63 FERRITE CORE RM 63NH 3F36 2PC Ferroxcube	2,191	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 4	3F36	-	63 nH	±3%	Gapped	85.0	-	1.69	23.3	13.8	11.5	322.0	Uncoated	0.421" (10.40mm)	0.433" (11.00mm)	0.386" (9.80mm)
RM4/I-3F46-A100 FERRITE CORE RM 100NH 3F46 2PC Ferroxcube	1,568	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 4	3F46	-	100 nH	±3%	Gapped	134.0	-	1.69	23.3	13.8	11.5	322.0	Uncoated	0.421" (10.40mm)	0.433" (11.00mm)	0.386" (9.80mm)
RM4/I-3F46-A63 FERRITE CORE RM 63NH 3F46 2PC Ferroxcube	4,271	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 4	3F46	-	63 nH	±3%	Gapped	85.0	-	1.69	23.3	13.8	11.5	322.0	Uncoated	0.421" (10.40mm)	0.433" (11.00mm)	0.386" (9.80mm)
PLT38/25/3.8-3C92 FERRITE CORE PLT 3C92 Ferroxcube	3,649	-	RFQ	Datasheet	-	Bulk	Active	PLT	PLT 38 x 25 x 3.8	3C92	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.150" (3.81mm)	1.500" (38.10mm)	1.000" (25.40mm)
B64290A0672X087 FERRITE CORE TOROID EPCOS - TDK Electronics	4,434	-	RFQ	Datasheet	T26/14.5/15	Box	Active	Toroid	-	-	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	-	-	-
B65541T0000R048 P14/8 N48 2100 +30% EPCOS - TDK Electronics	2,222	-	RFQ	Datasheet	B65541	Tray	Active	P	P 14 x 8	N48	0.563" (14.30mm)	2.1 µH	-20%, +30%	Ungapped	1340.0	-	0.73	21.0	28.7	23.6	603.0	Uncoated	0.167" (4.25mm)	-	-
ETD44/22/15-3F36-G200 FERRITE CORE ETD 3F36 Ferroxcube	4,809	-	RFQ	Datasheet	-	Bulk	Active	ETD	ETD 44 x 22 x 15	3F36	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.878" (22.30mm)	1.772" (45.00mm)	0.598" (15.20mm)
ER48/18/18-3C95 Ferrite Misc Ferroxcube	4,381	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
B65541D0000R087 FERRITE CORE P 2.8UH N87 2PCS EPCOS - TDK Electronics	2,478	-	RFQ	Datasheet	P14/8	Box	Active	P (Pot Core)	P 14 x 8	N87	0.563" (14.30mm)	2.8 µH	-20%, +30%	Ungapped	1630.0	2200	0.8	20.0	25.0	20.0	500.0	Uncoated	0.167" (4.25mm)	-	-
SE41408UG ROUND-SLAB CORE W/HOLE Magnetics, a division of Spang & Co.	2,248	-	RFQ	Datasheet	-	Bulk	Active	PS	-	E	0.551" (14.00mm)	1.858 µH	±25%	Ungapped	-	2000	-	20.2	23.0	19.2	460.0	Uncoated	0.167" (4.25mm)	-	-
EQX3626E060L122 X FLUX 060 PERM EQ 3626 SIZE Magnetics, a division of Spang & Co.	2,807	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
NW42316UG RM DESIGN SCP Magnetics, a division of Spang & Co.	2,292	-	RFQ	Datasheet	-	Bulk	Active	RM	-	W	-	12.2 µH	-	Ungapped	-	10000	-	38.4	63.0	55.4	2440.0	Uncoated	0.323" (8.20mm)	0.913" (23.20mm)	0.433" (11.00mm)
EQK4128E040L199 KOOL MU 040 PERM EQ 4128 SIZE Magnetics, a division of Spang & Co.	2,038	-	RFQ	Datasheet	-	Bulk	Active	EQ	-	Kool Mu	-	100 nH	±8%	Ungapped	-	40	-	115.0	200.0	-	23000.0	Uncoated	0.783" (19.90mm)	1.634" (41.50mm)	1.102" (28.00mm)
NJ41812UG POT CORE Magnetics, a division of Spang & Co.	2,313	-	RFQ	Datasheet	-	Bulk	Active	RM	-	J	-	6.707 µH	-	Ungapped	-	5000	-	27.5	38.0	31.2	1040.0	Uncoated	0.244" (6.20mm)	0.701" (17.90mm)	0.275" (7.00mm)
RJ41812UG R-RM DESIGN Magnetics, a division of Spang & Co.	4,453	-	RFQ	Datasheet	-	Bulk	Active	RM	-	J	-	5.973 µH	-	Ungapped	-	5000	-	25.6	32.0	22.6	819.0	Uncoated	0.244" (6.20mm)	0.701" (17.90mm)	0.291" (7.40mm)
EQK4128E060L199 KOOL MU 060 PERM EQ 4128 SIZE Magnetics, a division of Spang & Co.	2,327	-	RFQ	Datasheet	-	Bulk	Active	EQ	-	Kool Mu	-	140 nH	±8%	Ungapped	-	60	-	115.0	200.0	-	23000.0	Uncoated	0.783" (19.90mm)	1.634" (41.50mm)	1.102" (28.00mm)
EQK4128E026L199 KOOL MU 026 PERM EQ 4128 SIZE Magnetics, a division of Spang & Co.	1,274	-	RFQ	Datasheet	-	Bulk	Active	EQ	-	Kool Mu	-	68 nH	±8%	Ungapped	-	26	-	115.0	200.0	-	23000.0	Uncoated	0.783" (19.90mm)	1.634" (41.50mm)	1.102" (28.00mm)
0E40704UG POT CORE Magnetics, a division of Spang & Co.	2,391	-	RFQ	Datasheet	-	Bulk	Active	P	-	E	0.285" (7.24mm)	900 nH	±25%	Ungapped	-	2000	-	9.9	7.0	5.9	69.0	Uncoated	0.082" (2.08mm)	-	-

Ferrite Cores FAQ

What Ferrite Cores components can I source from EGOO?

You can browse available Ferrite Cores product families, manufacturers and part numbers on this page, then review stock, datasheets and technical information for suitable options.

Can EGOO help with hard-to-source or obsolete Ferrite Cores parts?

Yes. EGOO provides sourcing support for shortage, obsolete and hard-to-find electronic components. Send us the target manufacturer part number and quantity for checking.

Does EGOO support BOM and small-batch sourcing?

Yes. We support BOM sourcing, prototype requirements and small-batch supply, together with stock, lead-time and quotation assistance.

How do I request pricing and availability?

Submit the manufacturer part number, required quantity and any package, date-code or delivery requirements through the RFQ form, and our team will review available sourcing options.