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
PQ35/35-3C94 FERRITE CORE PQ 3C94 2PC SET Ferroxcube	1,170	-	RFQ	Datasheet	-	Bulk	Active	PQ	PQ 35 x 35	3C94	-	-	±25%	Ungapped	-	-	0.454	86.1	190.0	162.0	16300.0	Uncoated	1.366" (34.70mm)	1.421" (36.10mm)	1.024" (26.00mm)
PQ35/35-3C90 Ferrite Misc Ferroxcube	1,539	-	RFQ	Datasheet	PQ35/35	Bulk	Active	PQ	PQ 35 x 35	3C90	-	5.2 µH	±25%	Ungapped	1880.0	-	0.454	86.1	190.0	162.0	16300.0	Uncoated	0.683" (17.35mm)	1.421" (36.10mm)	1.024" (26.00mm)
PQ35/35-3C91 Ferrite Misc Ferroxcube	3,184	-	RFQ	Datasheet	-	Bulk	Active	PQ	PQ 35 x 35	3C91	-	6 µH	±25%	Ungapped	2160.0	-	0.454	86.1	190.0	162.0	16300.0	Uncoated	0.683" (17.35mm)	1.421" (36.10mm)	1.024" (26.00mm)
T60006L2025W980 W980 VACUUMSCHMELZE	2,304	-	RFQ	Datasheet	-	Box	Active	Toroid	-	Nanocrystalline	1.098" (27.90mm)	3.1 µH	-	Ungapped	-	-	-	64.0	360.0	-	-	Epoxy	0.492" (12.50mm)	-	-
C055177A2 MPP 200 PERM GREY 180 SIZE Magnetics, a division of Spang & Co.	4,968	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.208" (5.28mm)	67 nH	±8%	Ungapped	-	200	-	10.6	2.85	-	30.3	Coated	0.125" (3.18mm)	-	-
0055405AY MPP 300 PERM AY 410 SIZE Magnetics, a division of Spang & Co.	4,931	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.270" (6.86mm)	166 nH	±8%	Ungapped	-	300	-	16.5	7.25	-	120.0	Uncoated	0.200" (5.08mm)	-	-
0R45418EC EER CORE Magnetics, a division of Spang & Co.	4,748	-	RFQ	Datasheet	-	Bulk	Active	EER	-	R	-	6.1 µH	-	Ungapped	-	2300	-	91.8	250.0	240.0	23000.0	Uncoated	0.720" (18.30mm)	2.106" (53.50mm)	0.707" (17.95mm)
C055174A2 MPP 173 PERM GREY 180 SIZE Magnetics, a division of Spang & Co.	3,951	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.208" (5.28mm)	57 nH	±8%	Ungapped	-	173	-	10.6	2.85	-	30.3	Coated	0.125" (3.18mm)	-	-
B65501D0000Y001 FERRITE CORE P 2PCS EPCOS - TDK Electronics	4,510	-	RFQ	Datasheet	P5.8/3.3	Box	Active	P (Pot Core)	P 5.8 x 3.3	-	0.228" (5.80mm)	-	-	Ungapped	-	-	1.68	7.9	4.7	-	37.0	Uncoated	0.067" (1.70mm)	-	-
B65754J0000R030 FERRITE CORE TT N30 EPCOS - TDK Electronics	1,696	-	RFQ	Datasheet	PT14/8	Box	Active	TT	-	N30	-	-	-	-	-	4300	0.84	25.3	25.3	22.1	539.0	Uncoated	0.167" (4.25mm)	0.563" (14.30mm)	-
B66367G1000X127 FERRITE CORE ETD N27 1PC EPCOS - TDK Electronics	1,952	-	RFQ	Datasheet	ETD49/25/16	Box	Active	ETD	ETD 49 x 25 x 16	N27	-	-	-	Gapped	-	-	-	-	-	-	-	Uncoated	0.980" (24.90mm)	1.909" (48.50mm)	0.657" (16.70mm)
B66289K0000X197 I38/4/25 N97 8400 +25% EPCOS - TDK Electronics	3,672	-	RFQ	Datasheet	B66289K	Tray	Active	I	I 38 x 4 x 25	N97	1.000" (25.40mm)	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.150" (3.81mm)	1.500" (38.10mm)	1.000" (25.40mm)
B66289K0000X192 I38/4/25 N92 6200 +25% EPCOS - TDK Electronics	3,505	-	RFQ	Datasheet	B66289K	Tray	Active	I	I 38 x 4 x 25	N92	1.000" (25.40mm)	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.150" (3.81mm)	1.500" (38.10mm)	1.000" (25.40mm)
C058351A2 HIGH FLUX 060 PERM KHAKI 350 SIZ Magnetics, a division of Spang & Co.	1,509	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	High Flux	0.958" (24.33mm)	51 nH	±8%	Ungapped	-	60	-	58.8	38.8	-	2280.0	Coated	0.380" (9.65mm)	-	-
T36/23/15-3C11 Ferrite Misc Ferroxcube	4,030	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
B65811J0250A038 FERRITE CORE RM EPCOS - TDK Electronics	2,623	-	RFQ	Datasheet	RM8	Box	Active	RM	-	-	-	-	-	Gapped	-	-	-	-	-	-	-	Uncoated	-	-	-
ZF44916TC TOROID GREY COATED Magnetics, a division of Spang & Co.	4,026	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	F	1.977" (50.22mm)	3.54 µH	±20%	Ungapped	-	3000	-	127.0	118.0	-	15010.0	Epoxy	0.655" (16.64mm)	-	-
0V41811A250 GAPPED POT CORE Magnetics, a division of Spang & Co.	3,263	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
E55/28/21-3C95 FERRITE CORE E 3C95 Ferroxcube	3,235	-	RFQ	Datasheet	-	Bulk	Active	E	E 55 x 28 x 21	3C95	-	-	-	-	-	-	-	-	-	-	-	Uncoated	1.083" (27.50mm)	2.213" (56.20mm)	0.827" (21.00mm)
PLT58/38/4-3C90 FERRITE CORE PLT 3C90 Ferroxcube	1,388	-	RFQ	Datasheet	-	Bulk	Active	PLT	PLT 58 x 38 x 4	3C90	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.161" (4.10mm)	2.299" (58.40mm)	1.500" (38.10mm)

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.