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
T74/39/13-3C11 Ferrite Misc Ferroxcube	3,636	-	RFQ	Datasheet	-	Bulk	Active	Toroid	Toroid 74 x 39 x 13	3C11	2.900" (73.66mm)	7.01 µH	±25%	Ungapped	4300.0	-	0.8	165.0	208.0	-	34300.0	Uncoated	0.500" (12.70mm)	-	-
T74/39/13-3E27 Ferrite Misc Ferroxcube	1,364	-	RFQ	Datasheet	-	Bulk	Active	Toroid	Toroid 74 x 39 x 13	3E27	2.900" (73.66mm)	8.97 µH	±25%	Ungapped	5500.0	-	0.8	165.0	208.0	-	34300.0	Uncoated	0.500" (12.70mm)	-	-
T63/38/25-3E27-M7 FERRITE CORE TOROID 3E+27 Ferroxcube	2,913	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	3E27	2.480" (63.00mm)	-	±25%	Ungapped	7000.0	-	0.497	152.0	306.0	-	46500.0	Uncoated	0.984" (25.00mm)	-	-
0077616A7 KOOL MU 040 PERM BLACK 620 SIZE Magnetics, a division of Spang & Co.	1,472	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	2.440" (61.98mm)	126 nH	±8%	Ungapped	-	40	-	144.0	360.0	-	51800.0	Uncoated	0.984" (25.00mm)	-	-
0077619A7 KOOL MU 090 PERM BLACK 620 SIZE Magnetics, a division of Spang & Co.	1,623	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	2.440" (61.98mm)	284 nH	±8%	Ungapped	-	90	-	144.0	360.0	-	51800.0	Uncoated	0.984" (25.00mm)	-	-
0077615A7 KOOL MU 026 PERM BLACK 620 SIZE Magnetics, a division of Spang & Co.	2,698	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	2.440" (61.98mm)	82 nH	±8%	Ungapped	-	26	-	144.0	360.0	-	51800.0	Uncoated	0.984" (25.00mm)	-	-
0077614A7 KOOL MU 014 PERM BLACK 620 SIZE Magnetics, a division of Spang & Co.	3,620	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	2.440" (61.98mm)	44 nH	±8%	Ungapped	-	14	-	143.6	360.0	-	51800.0	Uncoated	0.984" (25.00mm)	-	-
0077618A7 KOOL MU 075 PERM BLACK 620 SIZE Magnetics, a division of Spang & Co.	1,010	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	2.440" (61.98mm)	237 nH	±8%	Ungapped	-	75	-	144.0	360.0	-	51800.0	Uncoated	0.984" (25.00mm)	-	-
0077620A7 KOOL MU 125 PERM BLACK 620 SIZE Magnetics, a division of Spang & Co.	1,189	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	2.440" (61.98mm)	394 nH	±8%	Ungapped	-	125	-	144.0	360.0	-	51800.0	Uncoated	0.984" (25.00mm)	-	-
E71/33/32-3F3 Ferrite Misc Ferroxcube	1,916	-	RFQ	Datasheet	-	Bulk	Active	E	E 71 x 33 x 32	3F3	-	10 µH	±25%	Ungapped	1740.0	-	0.218	149.0	683.0	676.0	102000.0	Uncoated	1.307" (33.20mm)	2.776" (70.50mm)	1.260" (32.00mm)
00K8020E026HT40 KOOL MU 8020 E CORE Magnetics, a division of Spang & Co.	1,014	-	RFQ	Datasheet	-	Bulk	Active	E	-	Kool Mu	-	190 nH	±8%	Ungapped	-	26	-	185.0	778.0	-	145000.0	Uncoated	1.500" (38.10mm)	3.150" (80.00mm)	1.559" (39.60mm)
00K9541B014 KOOL MU DBL LENGTH 4741 BLOCK Magnetics, a division of Spang & Co.	2,324	-	RFQ	Datasheet	-	Bulk	Active	I	-	Kool Mu	-	-	-	Ungapped	-	14	-	-	-	-	107200.0	Uncoated	1.614" (41.00mm)	3.740" (95.00mm)	1.083" (27.50mm)
00K9541B060 KOOL MU DBL LENGTH 4741 BLOCK Magnetics, a division of Spang & Co.	3,576	-	RFQ	Datasheet	-	Bulk	Active	I	-	Kool Mu	-	-	-	Ungapped	-	60	-	-	-	-	107200.0	Uncoated	1.614" (41.00mm)	3.740" (95.00mm)	1.083" (27.50mm)
PQ50/30-3C95 FERRITE CORE PQ 3C95 2PC SET Ferroxcube	1,908	-	RFQ	Datasheet	-	Bulk	Active	PQ	PQ 50 x 30	3C95	-	-	-	-	-	-	-	-	-	-	-	Uncoated	1.181" (30.00mm)	2.008" (51.00mm)	1.260" (32.00mm)
C055582A2 MPP 200 PERM GREY 585 SIZE Magnetics, a division of Spang & Co.	1,812	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	1.385" (35.18mm)	126 nH	±8%	Ungapped	-	200	-	89.5	46.4	-	4150.0	Coated	0.384" (9.78mm)	-	-
C055579A2 MPP 173 PERM GREY 585 SIZE Magnetics, a division of Spang & Co.	2,338	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	1.385" (35.18mm)	109 nH	±8%	Ungapped	-	173	-	89.5	46.4	-	4150.0	Coated	0.384" (9.78mm)	-	-
0058326A2 HIGH FLUX 026 PERM KHAKI 324 SIZ Magnetics, a division of Spang & Co.	1,254	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	-	1.410" (35.81mm)	24 nH	±8%	Ungapped	-	26	-	89.8	67.8	-	6090.0	Uncoated	0.412" (10.46mm)	-	-
T60006L2050V166 V166 VACUUMSCHMELZE	2,255	-	RFQ	Datasheet	-	Box	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
0P44229A160 GAPPED POT CORE Magnetics, a division of Spang & Co.	2,514	-	RFQ	Datasheet	-	Bulk	Active	P	-	P	1.669" (42.40mm)	160 nH	-	Ungapped	-	2500	-	68.6	265.0	-	18200.0	Uncoated	1.157" (29.40mm)	-	-
B66375G1000X187 FERRITE CORE E N87 EPCOS - TDK Electronics	4,805	-	RFQ	Datasheet	E80/38/20	Box	Active	E	E 80 x 38 x 20	N87	-	-	-	Gapped	-	2200	0.47	184.0	390.0	388.0	71800.0	Uncoated	1.516" (38.50mm)	3.150" (80.00mm)	0.795" (20.20mm)

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.