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
PTS23/18-3F3-A160 Ferrite Misc Ferroxcube	1,407	-	RFQ	Datasheet	-	Bulk	Active	P	PTS 23 x 18	3F3	0.902" (22.90mm)	160 nH	±3%	Gapped	98.0	-	0.77	45.1	58.3	53.6	2630.0	Uncoated	0.354" (9.00mm)	-	-
EP20-3C96-A160 Ferrite Misc Ferroxcube	3,614	-	RFQ	Datasheet	-	Bulk	Active	EP	EP 20	3C96	-	-	-	Gapped	66.0	-	-	-	-	-	-	Uncoated	-	-	-
0055030AY MPP 125 PERM AY 030 SIZE Magnetics, a division of Spang & Co.	4,850	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.310" (7.87mm)	52 nH	±8%	Ungapped	-	125	-	17.9	5.99	-	107.0	Uncoated	0.125" (3.18mm)	-	-
0055032A2 MPP 026 PERM GREY 030 SIZE Magnetics, a division of Spang & Co.	4,409	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.310" (7.87mm)	11 nH	±8%	Ungapped	-	26	-	17.9	5.99	-	107.0	Uncoated	0.125" (3.18mm)	-	-
0P45724EC E-SHAPE CORE Magnetics, a division of Spang & Co.	2,494	-	RFQ	Datasheet	-	Bulk	Active	E	-	P	-	8.8 µH	-	Ungapped	-	2500	-	107.0	337.0	337.0	36000.0	Uncoated	0.929" (23.60mm)	2.209" (56.10mm)	0.740" (18.80mm)
0T44022EC E-CORE Magnetics, a division of Spang & Co.	2,245	-	RFQ	Datasheet	-	Bulk	Active	E	-	T	-	6.95 µH	-	Ungapped	-	3000	-	97.0	233.0	233.0	22700.0	Uncoated	0.827" (21.00mm)	1.693" (43.00mm)	0.787" (20.00mm)
C055021A2 MPP 060 PERM GREY 020 SIZE Magnetics, a division of Spang & Co.	2,744	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.275" (6.99mm)	24 nH	±8%	Ungapped	-	60	-	13.6	4.7	-	64.0	Coated	0.135" (3.43mm)	-	-
B65517D0025A001 FERRITE CORE P 25NH K1 2PCS EPCOS - TDK Electronics	1,985	-	RFQ	Datasheet	P9/5	Box	Active	P (Pot Core)	P 9 x 5	K1	0.366" (9.30mm)	25 nH	±3%	Gapped	25.0	80	1.25	12.5	10.0	-	125.0	Uncoated	0.106" (2.70mm)	-	-
B65811J0000R035 FERRITE CORE RM EPCOS - TDK Electronics	4,693	-	RFQ	Datasheet	RM8	Box	Active	RM	-	-	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	-	-	-
P22/13/I-3F3-A315 Ferrite Misc Ferroxcube	4,511	-	RFQ	Datasheet	P22/13	Bulk	Active	P	P 22 x 13	3F3	0.866" (22.00mm)	315 nH	±3%	Gapped	114.0	-	0.45	33.3	73.4	58.1	2460.0	Uncoated	0.264" (6.71mm)	-	-
P22/13/I-3F3-A1000 Ferrite Misc Ferroxcube	3,475	-	RFQ	Datasheet	-	Bulk	Active	P	P 22 x 13	3F3	0.866" (22.00mm)	1 µH	±5%	Gapped	361.0	-	0.45	33.3	73.4	58.1	2460.0	Uncoated	0.264" (6.71mm)	-	-
B65819P0000R092 FERRITE CORE RM 2.6UH N92 2PCS EPCOS - TDK Electronics	2,842	-	RFQ	Datasheet	RM7/LP	Box	Active	RM	RM 7 LP	N92	-	2.6 µH	-20%, +30%	Ungapped	1070.0	1500	0.52	23.5	45.3	39.6	1060.0	Uncoated	0.193" (4.90mm)	0.799" (20.30mm)	-
TUB8/4.2/51-4B1 Ferrite Misc Ferroxcube	2,785	-	RFQ	Datasheet	-	Bulk	Active	Tube	TUB 8 x 4.2 x 51	4B1	0.315" (8.00mm)	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	-	2.024" (51.40mm)	-
0055240AY MPP 125 PERM AY 240 SIZE Magnetics, a division of Spang & Co.	4,399	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.260" (6.60mm)	54 nH	±8%	Ungapped	-	125	-	13.6	4.76	-	64.9	Uncoated	0.100" (2.54mm)	-	-
C058379A2 HIGH FLUX 147 PERM KHAKI 380 SIZ Magnetics, a division of Spang & Co.	4,643	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	High Flux	0.710" (18.03mm)	105 nH	±8%	Ungapped	-	147	-	41.4	23.2	-	960.0	Coated	0.280" (7.11mm)	-	-
E47/20/16-3F36 FERRITE CORE E 3F36 Ferroxcube	1,019	-	RFQ	Datasheet	-	Bulk	Active	E	E 47 x 20 x 16	3F36	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.772" (19.60mm)	1.846" (46.90mm)	0.614" (15.60mm)
E47/20/16-3C97 Ferrite Misc Ferroxcube	2,167	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
B65807P0000Y038 FERRITE CORE RM 10.5UH T38 2PCS EPCOS - TDK Electronics	2,778	-	RFQ	Datasheet	RM6	Box	Active	RM	RM 6 LP	T38	-	10.5 µH	-30%, +40%	Ungapped	4860.0	2300	0.58	21.8	37.5	31.2	820.0	Uncoated	0.177" (4.50mm)	0.701" (17.90mm)	0.323" (8.20mm)
B66501G0000X195 FERRITE CORE ER N95 EPCOS - TDK Electronics	2,391	-	RFQ	Datasheet	ER32/5/21	Box	Active	ER	ER 32 x 5 x 21	N95	-	-	±25%	Ungapped	-	-	0.381	38.3	100.5	98.5	3847.0	Uncoated	0.201" (5.10mm)	1.260" (32.00mm)	0.827" (21.00mm)
E42/33/20-3C91 FERRITE CORE E 3C91 Ferroxcube	2,619	-	RFQ	Datasheet	-	Bulk	Active	E	E 42 x 33 x 20	3C91	-	-	-	-	-	-	-	-	-	-	-	Uncoated	1.291" (32.80mm)	1.654" (42.00mm)	0.787" (20.00mm)

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.