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
EQ30-3F36 FERRITE CORE EQ 3F36 Ferroxcube	3,035	-	RFQ	Datasheet	-	Bulk	Active	EQ	EQ 30	3F36	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.315" (8.00mm)	1.181" (30.00mm)	0.787" (20.00mm)
EQ30-3F46 FERRITE CORE EQ 3F46 Ferroxcube	2,642	-	RFQ	Datasheet	-	Bulk	Active	EQ	EQ 30	3F46	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.315" (8.00mm)	1.181" (30.00mm)	0.787" (20.00mm)
ETD44/22/15-3C90-G1500 FERRITE CORE ETD 3C90 Ferroxcube	3,108	-	RFQ	Datasheet	-	Bulk	Active	ETD	ETD 44 x 22 x 15	3C90	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.878" (22.30mm)	1.772" (45.00mm)	0.598" (15.20mm)
ETD44/22/15-3C94-G500 FERRITE CORE ETD 3C94 Ferroxcube	2,613	-	RFQ	Datasheet	-	Bulk	Active	ETD	ETD 44 x 22 x 15	3C94	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.878" (22.30mm)	1.772" (45.00mm)	0.598" (15.20mm)
ETD44/22/15-3C90-G500 Ferrite Misc Ferroxcube	2,743	-	RFQ	Datasheet	-	Bulk	Active	ETD	ETD 44 x 22 x 15	3C90	-	260 nH	±6%	Gapped	190.0	-	0.589	103.0	173.0	172.0	17800.0	Uncoated	0.878" (22.30mm)	1.772" (45.00mm)	0.598" (15.20mm)
EQ30-3C97 Ferrite Misc Ferroxcube	4,877	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
ETD44/22/15-3C90-G1800 Ferrite Misc Ferroxcube	3,158	-	RFQ	Datasheet	-	Bulk	Active	ETD	ETD 44 x 22 x 15	3C90	-	1.8 µH	-	Gapped	-	-	0.589	103.0	173.0	172.0	17800.0	Uncoated	0.878" (22.30mm)	1.772" (45.00mm)	0.598" (15.20mm)
0P42521EC ER CORE Magnetics, a division of Spang & Co.	4,157	-	RFQ	Datasheet	-	Bulk	Active	ER	-	P	-	5.801 µH	-	Ungapped	-	2500	-	41.4	100.0	95.0	4145.0	Uncoated	0.315" (8.00mm)	0.984" (25.00mm)	0.709" (18.00mm)
C055239A2 MPP 147 PERM GREY 240 SIZE Magnetics, a division of Spang & Co.	2,313	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.285" (7.24mm)	64 nH	±8%	Ungapped	-	147	-	13.6	4.76	-	64.9	Coated	0.125" (3.18mm)	-	-
C055238A2 MPP 160 PERM GREY 240 SIZE Magnetics, a division of Spang & Co.	2,092	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.285" (7.24mm)	69 nH	±8%	Ungapped	-	160	-	13.6	4.76	-	64.9	Coated	0.125" (3.18mm)	-	-
ERX4013E060L174 X FLUX 060 PERM EER 4013 SIZE Magnetics, a division of Spang & Co.	2,524	-	RFQ	Datasheet	-	Bulk	Active	EER	-	XFlux	-	135 nH	±8%	Ungapped	-	60	-	91.3	149.1	-	13600.0	Uncoated	0.685" (17.40mm)	1.575" (40.00mm)	0.524" (13.30mm)
EP17-3F36 FERRITE CORE EP 3F36 2PC SET Ferroxcube	1,344	-	RFQ	Datasheet	-	Bulk	Active	EP	EP 17	3F36	-	-	±25%	Ungapped	1040.0	-	0.87	29.5	33.7	25.5	999.0	Uncoated	0.661" (16.80mm)	0.709" (18.00mm)	0.433" (11.00mm)
EP17-3F46 FERRITE CORE EP 3F46 2PC SET Ferroxcube	2,149	-	RFQ	Datasheet	-	Bulk	Active	EP	EP 17	3F46	-	-	±25%	Ungapped	662.0	-	0.87	29.5	33.7	25.5	999.0	Uncoated	0.661" (16.80mm)	0.709" (18.00mm)	0.433" (11.00mm)
RM8/ILP-3F36 FERRITE CORE RM 3.1UH 3F36 2PC Ferroxcube	1,713	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 8	3F36	-	3.1 µH	±25%	Ungapped	1100.0	-	0.44	28.7	64.9	55.4	1860.0	Uncoated	0.370" (9.40mm)	0.913" (23.20mm)	0.433" (11.00mm)
RM8/ILP-3F46 Ferrite Misc Ferroxcube	1,120	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 8	3F46	0.433" (11.00mm)	1.9 µH	±25%	Ungapped	-	-	0.44	28.7	64.9	55.4	1860.0	Uncoated	0.228" (5.80mm)	0.913" (23.20mm)	0.433" (11.00mm)
ER42/22/16-3C90 Ferrite Misc Ferroxcube	3,460	-	RFQ	Datasheet	-	Bulk	Active	ER	ER 42 x 22 x 16	3C90	-	4.6 µH	±25%	Ungapped	1900.0	-	0.509	98.8	194.0	-	19200.0	Uncoated	0.882" (22.40mm)	1.654" (42.00mm)	0.614" (15.60mm)
EFD15/8/5-3F3-S Ferrite Misc Ferroxcube	4,942	-	RFQ	Datasheet	-	Bulk	Active	EFD	EFD 15 x 8 x 5	3F3	-	780 nH	±25%	Ungapped	1400.0	-	2.27	34.0	15.0	12.2	510.0	Uncoated	0.295" (7.50mm)	0.591" (15.00mm)	0.183" (4.65mm)
EP17-3E27 Ferrite Misc Ferroxcube	1,328	-	RFQ	Datasheet	-	Bulk	Active	EP	EP 17	3E27	-	7.1 µH	±25%	Ungapped	4950.0	-	-	29.5	33.7	25.5	999.0	Uncoated	0.331" (8.40mm)	0.709" (18.00mm)	0.433" (11.00mm)
B64290L0626X035 FERRITE CORE TOROID 4.2UH T35 EPCOS - TDK Electronics	2,815	-	RFQ	Datasheet	TX22.6/14.7/9.2	Box	Active	Toroid	-	T35	0.937" (23.80mm)	4.2 µH	±25%	Ungapped	-	5300	1.59	56.82	35.78	-	2033.0	Epoxy	0.402" (10.20mm)	-	-
EFD12/6/3.5-3F36-A100-S FERRITE CORE EFD 100NH 3F36 2PC Ferroxcube	1,091	-	RFQ	Datasheet	-	Bulk	Active	EFD	EFD 12 x 6 x 3.5	3F36	-	100 nH	±8%	Gapped	200.0	-	2.5	28.5	11.4	10.7	325.0	Uncoated	0.244" (6.20mm)	0.492" (12.50mm)	0.138" (3.50mm)

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.