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
B65845J0630D087 FERRITE CORE EP N87 EPCOS - TDK Electronics	3,722	-	RFQ	Datasheet	EP17	Box	Active	EP	EP 17	N87	-	-	-	Gapped	-	2200	0.84	28.5	33.9	25.5	966.0	Uncoated	0.335" (8.50mm)	0.724" (18.40mm)	0.443" (11.25mm)
B65845J0063A087 FERRITE CORE EP N87 EPCOS - TDK Electronics	2,384	-	RFQ	Datasheet	EP17	Box	Active	EP	EP 17	N87	-	-	-	Gapped	-	2200	0.84	28.5	33.9	25.5	966.0	Uncoated	0.335" (8.50mm)	0.724" (18.40mm)	0.443" (11.25mm)
C055241A2 MPP 060 PERM GREY 240 SIZE Magnetics, a division of Spang & Co.	3,752	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.285" (7.24mm)	26 nH	±8%	Ungapped	-	60	-	13.6	4.76	-	64.9	Coated	0.125" (3.18mm)	-	-
B66365A0330J087 FERRITE CORE EPCOS - TDK Electronics	2,608	-	RFQ	Datasheet	ETD44/22/15	Box	Active	-	-	-	-	-	-	Gapped	-	-	-	-	-	-	-	-	-	-	-
B66365U0200J187 FERRITE CORE EPCOS - TDK Electronics	4,784	-	RFQ	Datasheet	ETD44/22/15	Box	Active	-	-	-	-	-	-	Gapped	-	-	-	-	-	-	-	-	-	-	-
B66365G1200X187 FERRITE CORE ETD N87 EPCOS - TDK Electronics	3,098	-	RFQ	Datasheet	ETD44/22/15	Box	Active	ETD	ETD 44 x 22 x 15	N87	-	-	-	Gapped	-	2200	0.6	103.0	173.0	172.0	17800.0	Uncoated	0.886" (22.50mm)	1.724" (43.80mm)	0.598" (15.20mm)
B65811P0000R092 FERRITE CORE RM 3.1UH N92 2PCS EPCOS - TDK Electronics	4,138	-	RFQ	Datasheet	RM8/LP	Box	Active	RM	RM 8 LP	N92	-	3.1 µH	-20%, +30%	Ungapped	1090.0	1500	0.44	28.7	64.9	55.4	1860.0	Uncoated	0.228" (5.80mm)	0.913" (23.20mm)	0.433" (11.00mm)
0077071A7HT19 KOOL MU 060 PERM BLACK 548 SIZE Magnetics, a division of Spang & Co.	2,399	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	1.291" (32.80mm)	102 nH	±8%	Ungapped	-	60	-	81.4	110.0	-	8950.0	Uncoated	0.701" (17.80mm)	-	-
0077548A7HT19 KOOL MU 125 PERM BLACK 548 SIZE Magnetics, a division of Spang & Co.	2,578	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	1.291" (32.80mm)	214 nH	±8%	Ungapped	-	125	-	81.4	110.5	-	9000.0	Uncoated	0.709" (18.00mm)	-	-
0077553A7HT19 KOOL MU 075 PERM BLACK 548 SIZE Magnetics, a division of Spang & Co.	4,695	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	1.291" (32.80mm)	128 nH	±8%	Ungapped	-	75	-	81.4	112.2	-	8950.0	Uncoated	0.709" (18.00mm)	-	-
00X4020E040 X FLUX 4020 E-CORE Magnetics, a division of Spang & Co.	2,741	-	RFQ	Datasheet	-	Bulk	Active	E	-	XFlux	-	108 nH	±8%	Ungapped	-	40	-	98.4	183.0	-	18000.0	Uncoated	0.830" (21.08mm)	1.687" (42.85mm)	0.608" (15.44mm)
0077552A7HT19 KOOL MU 090 PERM BLACK 548 SIZE Magnetics, a division of Spang & Co.	2,619	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	1.291" (32.80mm)	153 nH	±8%	Ungapped	-	90	-	81.4	112.2	-	8995.0	Uncoated	0.708" (17.99mm)	-	-
00X4020E026 X FLUX 4020 E-CORE Magnetics, a division of Spang & Co.	3,875	-	RFQ	Datasheet	-	Bulk	Active	E	-	XFlux	-	80 nH	±8%	Ungapped	-	26	-	98.4	183.0	-	18000.0	Uncoated	0.830" (21.08mm)	1.687" (42.85mm)	0.608" (15.44mm)
00X4022E060 X FLUX 4022 E-CORE Magnetics, a division of Spang & Co.	2,517	-	RFQ	Datasheet	-	Bulk	Active	E	-	XFlux	-	194 nH	±8%	Ungapped	-	60	-	98.4	237.0	-	23300.0	Uncoated	0.830" (21.08mm)	1.687" (42.85mm)	0.787" (20.00mm)
00X4022E026 X FLUX 4022 E-CORE Magnetics, a division of Spang & Co.	3,961	-	RFQ	Datasheet	-	Bulk	Active	E	-	XFlux	-	104 nH	±8%	Ungapped	-	26	-	98.4	237.0	-	23300.0	Uncoated	0.830" (21.08mm)	1.687" (42.85mm)	0.787" (20.00mm)
00X4020E060 X FLUX 4020 E-CORE Magnetics, a division of Spang & Co.	3,253	-	RFQ	Datasheet	-	Bulk	Active	E	-	XFlux	-	150 nH	±8%	Ungapped	-	60	-	98.4	183.0	-	18000.0	Uncoated	0.830" (21.08mm)	1.687" (42.85mm)	0.608" (15.44mm)
00X4022E040 X FLUX 4022 E CORE Magnetics, a division of Spang & Co.	3,385	-	RFQ	Datasheet	-	Bulk	Active	E	-	XFlux	-	140 nH	±8%	Ungapped	-	40	-	98.4	237.0	-	23300.0	Uncoated	0.830" (21.08mm)	1.687" (42.85mm)	0.787" (20.00mm)
B66506P0000X188 FERRITE CORE I30/2.7/20 N88 UNGA EPCOS - TDK Electronics	2,166	-	RFQ	Datasheet	I30/2.7/20	Box	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
ETD54/28/19-3C94-G200 FERRITE CORE ETD 3C94 Ferroxcube	3,675	-	RFQ	Datasheet	-	Bulk	Active	ETD	ETD 54 x 28 x 19	3C94	-	-	-	-	-	-	-	-	-	-	-	Uncoated	1.087" (27.60mm)	2.156" (54.50mm)	0.744" (18.90mm)
E43/10/28-3C95-A315-E FERRITE CORE E 3C95 Ferroxcube	2,876	-	RFQ	Datasheet	-	Bulk	Active	E	E 43 x 10 x 28	3C95	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.374" (9.50mm)	1.700" (43.20mm)	1.098" (27.90mm)

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.