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
B66325G0000X195 FERRITE CORE E N95 1PC EPCOS - TDK Electronics	1,758	-	RFQ	Datasheet	E42/21/15	Box	Active	E	E 42 x 21 x 15	N95	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.835" (21.20mm)	1.654" (42.00mm)	0.598" (15.20mm)
B66383G0000X165 FERRITE CORE E T65 EPCOS - TDK Electronics	4,468	-	RFQ	Datasheet	E47/20/16	Box	Active	E	E 47 x 20 x 16	T65	-	-	-	-	-	5200	0.38	89.0	233.0	226.0	20700.0	Uncoated	0.772" (19.60mm)	1.846" (46.90mm)	0.614" (15.60mm)
0055120AY MPP 125 PERM AY 120 SIZE Magnetics, a division of Spang & Co.	4,066	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.653" (16.59mm)	72 nH	±8%	Ungapped	-	125	-	41.2	19.2	-	791.0	Uncoated	0.250" (6.35mm)	-	-
ROD10/100-3F3 Ferrite Misc Ferroxcube	1,928	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
0055051AY MPP 060 PERM AY 050 SIZE Magnetics, a division of Spang & Co.	4,440	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.500" (12.70mm)	27 nH	±8%	Ungapped	-	60	-	31.2	10.9	-	340.0	Uncoated	0.187" (4.75mm)	-	-
0V40704A100 GAPPED POT CORE Magnetics, a division of Spang & Co.	3,418	-	RFQ	Datasheet	-	Bulk	Active	P	-	V	0.285" (7.24mm)	100 nH	±7%	Ungapped	-	2300	-	9.9	7.0	5.9	69.0	Uncoated	0.082" (2.08mm)	-	-
0J43019UG POT CORE Magnetics, a division of Spang & Co.	2,769	-	RFQ	Datasheet	-	Bulk	Active	P	-	J	1.181" (30.00mm)	15.1 µH	-	Ungapped	-	5000	-	45.2	137.0	116.0	6190.0	Uncoated	0.372" (9.45mm)	-	-
0055272A2 MPP 026 PERM GREY 270 SIZE Magnetics, a division of Spang & Co.	2,592	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.260" (6.60mm)	21 nH	±8%	Ungapped	-	26	-	13.6	9.2	-	125.0	Uncoated	0.188" (4.78mm)	-	-
PQ32/35-3F36 FERRITE CORE PQ 3F36 2PC SET Ferroxcube	3,654	-	RFQ	Datasheet	-	Bulk	Active	PQ	PQ 32 x 35	3F36	-	-	-	-	-	-	-	-	-	-	-	Uncoated	1.378" (35.00mm)	1.299" (33.00mm)	0.866" (22.00mm)
E55/28/21-3C90-G2500 FERRITE CORE E 3C90 Ferroxcube	1,496	-	RFQ	Datasheet	-	Bulk	Active	E	E 55 x 28 x 21	3C90	-	-	-	-	-	-	-	-	-	-	-	Uncoated	1.083" (27.50mm)	2.213" (56.20mm)	0.827" (21.00mm)
E55/28/21-3C91-G2000 FERRITE CORE E 3C91 Ferroxcube	3,517	-	RFQ	Datasheet	-	Bulk	Active	E	E 55 x 28 x 21	3C91	-	-	-	-	-	-	-	-	-	-	-	Uncoated	1.083" (27.50mm)	2.213" (56.20mm)	0.827" (21.00mm)
E55/28/21-3C94-G2000 FERRITE CORE E 3C94 Ferroxcube	4,100	-	RFQ	Datasheet	-	Bulk	Active	E	E 55 x 28 x 21	3C94	-	-	-	-	-	-	-	-	-	-	-	Uncoated	1.083" (27.50mm)	2.213" (56.20mm)	0.827" (21.00mm)
PQ32/35-3F46 FERRITE CORE PQ 3F46 2PC SET Ferroxcube	4,946	-	RFQ	Datasheet	-	Bulk	Active	PQ	PQ 32 x 35	3F46	-	-	±25%	Ungapped	716.0	-	0.503	83.5	166.0	143.0	13800.0	Uncoated	1.378" (35.00mm)	1.299" (33.00mm)	0.866" (22.00mm)
E55/28/21-3C90-G2000 Ferrite Misc Ferroxcube	3,432	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
E55/28/21-3C94-G2400 Ferrite Misc Ferroxcube	1,322	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
PQ32/30-3F36-A315 Ferrite Misc Ferroxcube	3,315	-	RFQ	Datasheet	-	Bulk	Active	PQ	PQ 32 x 30	3F36	-	315 nH	±3%	Gapped	110.0	-	0.447	74.7	167.0	142.0	12500.0	Uncoated	0.596" (15.15mm)	1.299" (33.00mm)	0.866" (22.00mm)
T60006-L2025-W523 FERRITE CORE TOROID 28.4UH VACUUMSCHMELZE	1,909	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	-	1.087" (27.60mm)	28.4 µH	-	Ungapped	-	-	-	70.7	20.0	-	-	Uncoated	0.504" (12.80mm)	-	-
B65813J0000R030 FERRITE CORE RM 7.6UH N30 2PCS EPCOS - TDK Electronics	3,608	-	RFQ	Datasheet	RM10	Box	Active	RM	RM 10	N30	-	7.6 µH	-20%, +30%	Ungapped	2720.0	4300	0.45	44.0	98.0	90.0	4310.0	Uncoated	0.368" (9.35mm)	1.122" (28.50mm)	0.531" (13.50mm)
B65813J0250A048 RM10 N48 250 +3% - EPCOS - TDK Electronics	3,096	-	RFQ	Datasheet	-	Tape & Reel (TR)	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
B65845J0000Y038 FERRITE CORE EP 10.8UH T38 2PCS EPCOS - TDK Electronics	3,658	-	RFQ	Datasheet	EP17	Box	Active	EP	EP 17	T38	-	10.8 µH	-30%, +40%	Ungapped	7220.0	10000	0.84	28.5	33.9	25.5	966.0	Uncoated	0.335" (8.50mm)	0.724" (18.40mm)	0.443" (11.25mm)

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.