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
B65525J0000R001 FERRITE CORE ER K1 EPCOS - TDK Electronics	3,260	-	RFQ	Datasheet	ER11/5	Box	Active	ER	ER 11 x 5	K1	-	-	-	-	-	80	1.1	14.1	12.4	10.3	174.0	Uncoated	0.098" (2.50mm)	0.433" (11.00mm)	0.236" (6.00mm)
B65541W0100A087 FERRITE CORE N87 EPCOS - TDK Electronics	2,527	-	RFQ	Datasheet	P14/8	Box	Active	-	P 14 x 8	N87	0.563" (14.30mm)	-	-	Gapped	-	2200	0.73	21.0	28.7	23.6	603.0	Uncoated	0.167" (4.25mm)	-	-
B65541W0160A087 FERRITE CORE N87 EPCOS - TDK Electronics	1,856	-	RFQ	Datasheet	P14/8	Box	Active	-	P 14 x 8	N87	0.563" (14.30mm)	-	-	Gapped	-	2200	0.73	21.0	28.7	23.6	603.0	Uncoated	0.167" (4.25mm)	-	-
B65541W0250A087 FERRITE CORE N87 EPCOS - TDK Electronics	4,699	-	RFQ	Datasheet	P14/8	Box	Active	-	P 14 x 8	N87	0.563" (14.30mm)	-	-	Gapped	-	2200	0.73	21.0	28.7	23.6	603.0	Uncoated	0.167" (4.25mm)	-	-
LPX4225E040L123 X FLUX 040 PERM LP 4225 SIZE Magnetics, a division of Spang & Co.	4,926	-	RFQ	Datasheet	-	Bulk	Active	EQ	-	XFlux	-	156 nH	±8%	Ungapped	-	40	-	76.1	206.0	-	15680.0	Uncoated	0.484" (12.30mm)	1.654" (42.00mm)	0.984" (25.00mm)
0W43007EC E CORE Magnetics, a division of Spang & Co.	1,533	-	RFQ	Datasheet	-	Bulk	Active	E	-	W	-	8.2 µH	-	Ungapped	-	10000	-	67.0	60.0	49.0	4000.0	Uncoated	0.591" (15.00mm)	1.213" (30.80mm)	0.287" (7.30mm)
0J41410UG Q-DESIGN CORE Magnetics, a division of Spang & Co.	3,889	-	RFQ	Datasheet	-	Bulk	Active	P	-	J	0.565" (14.35mm)	6.867 µH	-	Ungapped	-	5000	-	30.8	42.2	23.5	1302.0	Uncoated	0.197" (5.00mm)	-	-
0T42620UG PQ CORE Magnetics, a division of Spang & Co.	1,845	-	RFQ	Datasheet	-	Bulk	Active	PQ	-	T	-	7.02 µH	±25%	Ungapped	-	3000	-	45.0	121.0	109.0	5470.0	Uncoated	0.398" (10.10mm)	1.075" (27.30mm)	0.748" (19.00mm)
LPX4225E060L123 X FLUX 060 PERM LP 4225 SIZE Magnetics, a division of Spang & Co.	4,560	-	RFQ	Datasheet	-	Bulk	Active	EQ	-	XFlux	-	218 nH	±8%	Ungapped	-	60	-	76.1	206.0	-	15680.0	Uncoated	0.484" (12.30mm)	1.654" (42.00mm)	0.984" (25.00mm)
B66363G0600X187 FERRITE CORE ETD N87 EPCOS - TDK Electronics	4,265	-	RFQ	Datasheet	ETD39/20/13	Box	Active	ETD	ETD 39 x 20 x 13	N87	-	-	-	Gapped	-	2200	0.74	92.2	125.0	123.0	11500.0	Uncoated	0.787" (20.00mm)	1.531" (38.90mm)	0.504" (12.80mm)
B66363G0800X187 FERRITE CORE ETD N87 EPCOS - TDK Electronics	2,645	-	RFQ	Datasheet	ETD39/20/13	Box	Active	ETD	ETD 39 x 20 x 13	N87	-	-	-	Gapped	-	2200	0.74	92.2	125.0	123.0	11500.0	Uncoated	0.787" (20.00mm)	1.531" (38.90mm)	0.504" (12.80mm)
B66363G2000X187 FERRITE CORE ETD N87 EPCOS - TDK Electronics	3,432	-	RFQ	Datasheet	ETD39/20/13	Box	Active	ETD	ETD 39 x 20 x 13	N87	-	-	-	Gapped	-	2200	0.74	92.2	125.0	123.0	11500.0	Uncoated	0.787" (20.00mm)	1.531" (38.90mm)	0.504" (12.80mm)
B66363G2500X187 FERRITE CORE ETD N87 EPCOS - TDK Electronics	4,223	-	RFQ	Datasheet	ETD39/20/13	Box	Active	ETD	ETD 39 x 20 x 13	N87	-	-	-	Gapped	-	2200	0.74	92.2	125.0	123.0	11500.0	Uncoated	0.787" (20.00mm)	1.531" (38.90mm)	0.504" (12.80mm)
B66308A2001X FERRITE CORE EPCOS - TDK Electronics	1,820	-	RFQ	Datasheet	B66308	Tape & Reel (TR)	Not For New Designs	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
EQ38/8/25-3C96 FERRITE CORE EQ 3C96 Ferroxcube	3,430	-	RFQ	Datasheet	-	Bulk	Active	EQ	EQ 38 x 8 x 25	3C96	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.315" (8.00mm)	1.500" (38.10mm)	1.000" (25.40mm)
RM8-3F36 Ferrite Misc Ferroxcube	2,693	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
B65803P0400L087 FERRITE CORE RM N87 EPCOS - TDK Electronics	2,174	-	RFQ	Datasheet	RM4/LP	Box	Active	RM	RM 4 LP	N87	-	-	-	Gapped	-	2200	1.2	17.3	14.5	11.3	251.0	Uncoated	0.154" (3.90mm)	0.433" (11.00mm)	0.181" (4.60mm)
RM8/I-3C96-A160 FERRITE CORE RM 160NH 3C96 2PC Ferroxcube	1,791	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 8	3C96	-	160 nH	±3%	Gapped	78.0	-	0.44	38.4	63.0	55.4	2440.0	Uncoated	0.370" (9.40mm)	0.913" (23.20mm)	0.433" (11.00mm)
RM8/I-3C96-A250 FERRITE CORE RM 250NH 3C96 2PC Ferroxcube	1,434	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 8	3C96	-	250 nH	±3%	Gapped	120.0	-	0.44	38.4	63.0	55.4	2440.0	Uncoated	0.370" (9.40mm)	0.913" (23.20mm)	0.433" (11.00mm)
RM8/I-3C96-A400 FERRITE CORE RM 400NH 3C96 2PC Ferroxcube	4,796	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 8	3C96	-	400 nH	±3%	Gapped	194.0	-	0.44	38.4	63.0	55.4	2440.0	Uncoated	0.370" (9.40mm)	0.913" (23.20mm)	0.433" (11.00mm)

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.