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
E41/17/12-3C97 Ferrite Misc Ferroxcube	1,650	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
PLT38/25/2.7-3C94 Ferrite Misc Ferroxcube	4,262	-	RFQ	Datasheet	-	Bulk	Active	PLT	PLT 38 x 25 x 2.7	3C94	-	8.2 µH	±25%	Ungapped	1840.0	-	0.282	41.7	148.0	119.0	6190.0	Uncoated	0.106" (2.70mm)	1.500" (38.10mm)	1.000" (25.40mm)
E42/21/15-3C90 Ferrite Misc Ferroxcube	3,358	-	RFQ	Datasheet	-	Bulk	Active	E	E 42 x 21 x 15	3C90	-	3.95 µH	±25%	Ungapped	1710.0	-	0.548	97.0	178.0	175.0	17300.0	Uncoated	0.827" (21.00mm)	1.693" (43.00mm)	0.598" (15.20mm)
E22/6/16-4F1-A160-E FERRITE CORE E Ferroxcube	3,005	-	RFQ	Datasheet	-	Bulk	Active	E	E 22 x 6 x 16	-	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.224" (5.70mm)	0.858" (21.80mm)	0.622" (15.80mm)
E22/6/16-4F1-A160-P FERRITE CORE E Ferroxcube	3,951	-	RFQ	Datasheet	-	Bulk	Active	E	E 22 x 6 x 16	-	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.224" (5.70mm)	0.858" (21.80mm)	0.622" (15.80mm)
B66361G2000X187 FERRITE CORE ETD N87 EPCOS - TDK Electronics	1,740	-	RFQ	Datasheet	ETD34/17/11	Box	Active	ETD	ETD 34 x 17 x 11	N87	-	-	-	Gapped	-	2200	0.81	78.6	97.1	91.6	7630.0	Uncoated	0.689" (17.50mm)	1.339" (34.00mm)	0.437" (11.10mm)
E42/21/15-3C91 FERRITE CORE E 3C91 Ferroxcube	3,849	-	RFQ	Datasheet	-	Bulk	Active	E	E 42 x 21 x 15	3C91	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.827" (21.00mm)	1.693" (43.00mm)	0.598" (15.20mm)
ETD44/22/15-3C92 Ferrite Misc Ferroxcube	1,027	-	RFQ	Datasheet	-	Bulk	Active	ETD	ETD 44 x 22 x 15	3C92	-	-	-	Ungapped	-	-	0.589	103.0	173.0	172.0	17800.0	Uncoated	0.878" (22.30mm)	1.772" (45.00mm)	0.598" (15.20mm)
B66298B1012T001 FERRITE CORE EPCOS - TDK Electronics	4,585	-	RFQ	Datasheet	EV30	Tape & Reel (TR)	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
DR42318UG DOUBLE SLAB SCP Magnetics, a division of Spang & Co.	2,848	-	RFQ	Datasheet	-	Bulk	Active	EQ	-	R	-	2.907 µH	-	Ungapped	-	2300	-	39.9	58.0	40.7	2310.0	Uncoated	0.709" (18.00mm)	0.900" (22.86mm)	0.600" (15.25mm)
0R42620UG PQ CORE Magnetics, a division of Spang & Co.	3,483	-	RFQ	Datasheet	-	Bulk	Active	PQ	-	R	-	5.56 µH	-	Ungapped	-	2300	-	45.0	121.0	109.0	5470.0	Uncoated	0.398" (10.10mm)	1.075" (27.30mm)	0.748" (19.00mm)
NR42013UG RM NH CORE Magnetics, a division of Spang & Co.	3,871	-	RFQ	Datasheet	-	Bulk	Active	RM	-	R	-	3.058 µH	-	Ungapped	-	2300	-	30.0	44.1	39.6	1325.0	Uncoated	0.264" (6.70mm)	0.799" (20.30mm)	0.285" (7.25mm)
0P43113TC TOROID Magnetics, a division of Spang & Co.	3,907	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	P	1.220" (31.00mm)	3.1 µH	±25%	Ungapped	-	2500	-	75.4	73.6	-	5547.0	Uncoated	0.502" (12.74mm)	-	-
0R44022EC E-CORE Magnetics, a division of Spang & Co.	2,924	-	RFQ	Datasheet	-	Bulk	Active	E	-	R	-	5.533 µH	-	Ungapped	-	2300	-	97.0	233.0	233.0	22700.0	Uncoated	0.827" (21.00mm)	1.693" (43.00mm)	0.787" (20.00mm)
HR42318UG DOUBLE SLAB CP W/HOLE Magnetics, a division of Spang & Co.	1,898	-	RFQ	Datasheet	-	Bulk	Active	EQ	-	R	-	2.6 µH	-	Ungapped	-	2300	-	40.1	53.4	40.7	2130.0	Uncoated	0.709" (18.00mm)	0.900" (22.86mm)	0.600" (15.25mm)
0R42313EC ER CORE Magnetics, a division of Spang & Co.	3,721	-	RFQ	Datasheet	-	Bulk	Active	ER	-	R	-	3.8 µH	-	Ungapped	-	2300	-	26.6	50.2	50.0	1340.0	Uncoated	0.142" (3.60mm)	0.913" (23.20mm)	0.492" (12.50mm)
0R44949EC ETD CORE Magnetics, a division of Spang & Co.	3,909	-	RFQ	Datasheet	-	Bulk	Active	ETD	-	R	-	4.093 µH	-	Ungapped	-	2300	-	114.0	211.0	209.0	24000.0	Uncoated	0.972" (24.70mm)	1.961" (49.80mm)	0.657" (16.70mm)
0P42020G020 GAPPED PQ CORE Magnetics, a division of Spang & Co.	3,383	-	RFQ	Datasheet	-	Bulk	Active	PQ	-	P	-	-	-	Ungapped	-	2500	-	45.7	62.6	-	2850.0	Uncoated	0.795" (20.20mm)	0.839" (21.30mm)	0.551" (14.00mm)
0T41408UG POT CORE Magnetics, a division of Spang & Co.	4,188	-	RFQ	Datasheet	-	Bulk	Active	P	-	T	0.563" (14.30mm)	2.8 µH	±25%	Ungapped	-	3000	-	19.8	25.1	19.8	495.0	Uncoated	0.164" (4.17mm)	-	-
EQ30-3C96-A250 Ferrite Misc Ferroxcube	1,791	-	RFQ	Datasheet	-	Bulk	Active	EQ	EQ 30	3C96	-	250 nH	±3%	Gapped	85.0	-	0.426	46.0	108.0	95.0	4970.0	Uncoated	0.315" (8.00mm)	1.181" (30.00mm)	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.