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
0058209A2 HIGH FLUX 014 PERM KHAKI 206 SIZ Magnetics, a division of Spang & Co.	1,181	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	High Flux	0.800" (20.32mm)	7.8 nH	±8%	Ungapped	-	14	-	50.9	22.1	-	1120.0	Uncoated	0.250" (6.35mm)	-	-
00K7020B040 KOOL MU 7020 BLOCK Magnetics, a division of Spang & Co.	3,819	-	RFQ	Datasheet	-	Bulk	Active	I	-	Kool Mu	-	-	-	Ungapped	-	40	-	-	-	-	28600.0	Uncoated	0.799" (20.30mm)	2.776" (70.50mm)	0.787" (20.00mm)
00K7020B026 KOOL MU 7020 BLOCK Magnetics, a division of Spang & Co.	2,553	-	RFQ	Datasheet	-	Bulk	Active	I	-	Kool Mu	-	-	-	Ungapped	-	26	-	-	-	-	28600.0	Uncoated	0.799" (20.30mm)	2.776" (70.50mm)	0.787" (20.00mm)
00K7020B060 KOOL MU 7020 BLOCK Magnetics, a division of Spang & Co.	4,307	-	RFQ	Datasheet	-	Bulk	Active	I	-	Kool Mu	-	-	-	Ungapped	-	60	-	-	-	-	28600.0	Uncoated	0.799" (20.30mm)	2.776" (70.50mm)	0.787" (20.00mm)
B65661D1250K048 FERRITE CORE 1.25UH N48 EPCOS - TDK Electronics	4,877	-	RFQ	Datasheet	P23/13	Box	Active	-	P 22 x 13	N48	0.866" (22.00mm)	1.25 µH	±10%	Gapped	499.0	2300	0.5	31.6	63.0	-	1990.0	Uncoated	0.268" (6.80mm)	-	-
B65661D0160A048 FERRITE CORE P 160NH N48 2PCS EPCOS - TDK Electronics	2,465	-	RFQ	Datasheet	P23/13	Box	Active	P (Pot Core)	P 22 x 13	N48	0.866" (22.00mm)	160 nH	±3%	Gapped	64.0	-	0.5	31.6	63.0	-	1990.0	Uncoated	0.268" (6.80mm)	-	-
B65661D0250A048 FERRITE CORE P 250NH N48 2PCS EPCOS - TDK Electronics	4,694	-	RFQ	Datasheet	P22/13	Box	Active	P (Pot Core)	P 22 x 13	N48	0.866" (22.00mm)	250 nH	±3%	Gapped	100.0	-	0.5	31.6	63.0	-	1990.0	Uncoated	0.268" (6.80mm)	-	-
E55/28/25-3C97 Ferrite Misc Ferroxcube	3,074	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
B65811F0100A048 FERRITE CORE RM EPCOS - TDK Electronics	4,289	-	RFQ	Datasheet	RM8	Box	Active	RM	-	-	-	-	-	Gapped	-	-	-	-	-	-	-	Uncoated	-	-	-
B65811F0160A048 FERRITE CORE RM EPCOS - TDK Electronics	3,223	-	RFQ	Datasheet	RM8	Box	Active	RM	-	-	-	-	-	Gapped	-	-	-	-	-	-	-	Uncoated	-	-	-
B65811F0500A048 FERRITE CORE RM EPCOS - TDK Electronics	2,251	-	RFQ	Datasheet	RM8	Box	Active	RM	-	-	-	-	-	Gapped	-	-	-	-	-	-	-	Uncoated	-	-	-
ETD59/31/22-3C90 Ferrite Misc Ferroxcube	4,584	-	RFQ	Datasheet	-	Bulk	Active	ETD	ETD 59 x 31 x 22	3C90	-	6 µH	±25%	Ungapped	1800.0	-	-	139.0	368.0	360.0	51500.0	Uncoated	1.220" (31.00mm)	2.354" (59.80mm)	0.852" (21.65mm)
E55/28/25-3F36 FERRITE CORE E 3F36 Ferroxcube	3,168	-	RFQ	Datasheet	-	Bulk	Active	E	E 55 x 28 x 25	3F36	-	-	-	-	-	-	-	-	-	-	-	Uncoated	1.083" (27.50mm)	2.213" (56.20mm)	0.984" (25.00mm)
RM12/ILP-3F4-A400 FERRITE CORE RM 400NH 3F4 2PC Ferroxcube	1,090	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 12	3F4	-	400 nH	±3%	Gapped	90.0	-	0.388	42.0	148.0	125.0	6200.0	Uncoated	0.965" (24.50mm)	1.472" (37.40mm)	0.634" (16.10mm)
RM12/ILP-3F4-A630 FERRITE CORE RM 630NH 3F4 2PC Ferroxcube	2,944	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 12	3F4	-	630 nH	±3%	Gapped	140.0	-	0.388	42.0	148.0	125.0	6200.0	Uncoated	0.965" (24.50mm)	1.472" (37.40mm)	0.634" (16.10mm)
PQ35/35-3F36-E315 Ferrite Misc Ferroxcube	2,451	-	RFQ	Datasheet	-	Bulk	Active	PQ	PQ 35 x 35	3F36	-	315 nH	±3%	Gapped	114.0	-	0.454	86.1	190.0	162.0	16300.0	Uncoated	0.683" (17.35mm)	1.421" (36.10mm)	1.024" (26.00mm)
P26/16-3F3-E160 Ferrite Misc Ferroxcube	2,426	-	RFQ	Datasheet	-	Bulk	Active	P	P 26 x 16	3F3	1.004" (25.50mm)	160 nH	±3%	Gapped	51.0	-	0.4	37.6	93.9	77.4	3530.0	Uncoated	0.317" (8.05mm)	-	-
0W43019UG POT CORE Magnetics, a division of Spang & Co.	3,775	-	RFQ	Datasheet	-	Bulk	Active	P	-	W	1.181" (30.00mm)	25 µH	-	Ungapped	-	10000	-	45.2	137.0	116.0	6190.0	Uncoated	0.372" (9.45mm)	-	-
C055405A2 MPP 300 PERM GREY 410 SIZE Magnetics, a division of Spang & Co.	2,597	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.295" (7.49mm)	166 nH	±8%	Ungapped	-	300	-	16.5	7.25	-	120.0	Coated	0.225" (5.72mm)	-	-
C058848A2HT14 HIGH FLUX 060 PERM KHAKI 206 SIZ Magnetics, a division of Spang & Co.	4,660	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	High Flux	0.830" (21.08mm)	64 nH	±8%	Ungapped	-	60	-	50.9	44.2	-	2250.0	Coated	0.551" (14.00mm)	-	-

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.