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
E43/10/28-3C95-A315-P FERRITE CORE E 3C95 Ferroxcube	2,355	-	RFQ	Datasheet	-	Bulk	Active	E	E 43 x 10 x 28	3C95	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.374" (9.50mm)	1.700" (43.20mm)	1.098" (27.90mm)
E43/10/28-3C95-A400-E FERRITE CORE E 3C95 Ferroxcube	2,149	-	RFQ	Datasheet	-	Bulk	Active	E	E 43 x 10 x 28	3C95	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.374" (9.50mm)	1.700" (43.20mm)	1.098" (27.90mm)
E43/10/28-3C95-A400-P FERRITE CORE E 3C95 Ferroxcube	2,680	-	RFQ	Datasheet	-	Bulk	Active	E	E 43 x 10 x 28	3C95	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.374" (9.50mm)	1.700" (43.20mm)	1.098" (27.90mm)
0055037AY MPP 200 PERM AY 040 SIZE Magnetics, a division of Spang & Co.	1,955	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.400" (10.15mm)	105 nH	±8%	Ungapped	-	200	-	23.0	9.57	-	220.0	Uncoated	0.156" (3.96mm)	-	-
0R43019UG POT CORE Magnetics, a division of Spang & Co.	4,733	-	RFQ	Datasheet	-	Bulk	Active	P	-	R	1.181" (30.00mm)	6.68 µH	-	Ungapped	-	2300	-	45.2	137.0	116.0	6190.0	Uncoated	0.372" (9.45mm)	-	-
0055241AY MPP 060 PERM AY 240 SIZE Magnetics, a division of Spang & Co.	4,800	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.260" (6.60mm)	26 nH	±8%	Ungapped	-	60	-	13.6	4.76	-	64.9	Uncoated	0.100" (2.54mm)	-	-
B65531T0250A048 P11/7 N48 250 +3% - EPCOS - TDK Electronics	4,804	-	RFQ	Datasheet	B65531	Tray	Active	P	P 11 x 7	N48	0.445" (11.30mm)	250 nH	±3%	Ungapped	199.0	-	0.92	16.3	17.7	14.1	289.0	Uncoated	0.130" (3.30mm)	-	-
B66365G0200X127 FERRITE CORE ETD N27 1PC EPCOS - TDK Electronics	4,622	-	RFQ	Datasheet	ETD44/22/15	Box	Active	ETD	ETD 44 x 22 x 15	N27	-	-	-	Gapped	-	-	-	-	-	-	-	Uncoated	0.886" (22.50mm)	1.724" (43.80mm)	0.598" (15.20mm)
B66365G0050X127 FERRITE CORE ETD N27 EPCOS - TDK Electronics	3,695	-	RFQ	Datasheet	ETD44/22/15	Box	Active	ETD	ETD 44 x 22 x 15	N27	-	-	-	Gapped	-	2000	0.6	103.0	173.0	172.0	17800.0	Uncoated	0.886" (22.50mm)	1.724" (43.80mm)	0.598" (15.20mm)
B66461W0500J187 ELP43/10/28 N87 500 +5% - EPCOS - TDK Electronics	3,612	-	RFQ	Datasheet	-	Tray	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
B65813J0000R606 RM10 PC95 5500 +30 EPCOS - TDK Electronics	1,976	-	RFQ	Datasheet	-	Tape & Reel (TR)	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
PQ26/25-3F36-E250 Ferrite Misc Ferroxcube	2,044	-	RFQ	Datasheet	-	Bulk	Active	PQ	PQ 26 x 25	3F36	-	250 nH	±3%	Gapped	90.0	-	0.451	54.3	120.0	108.0	6530.0	Uncoated	0.486" (12.35mm)	1.075" (27.30mm)	0.748" (19.00mm)
PQ26/25-3F46-E250 Ferrite Misc Ferroxcube	3,291	-	RFQ	Datasheet	-	Bulk	Active	PQ	PQ 26 x 25	3F46	-	250 nH	±3%	Gapped	90.0	-	0.451	54.3	120.0	108.0	6530.0	Uncoated	0.486" (12.35mm)	1.075" (27.30mm)	0.748" (19.00mm)
PQ26/25-3C97-E250 Ferrite Misc Ferroxcube	1,325	-	RFQ	Datasheet	-	Bulk	Active	PQ	PQ 26 x 25	3C97	-	250 nH	±3%	Gapped	90.0	-	0.451	54.3	120.0	108.0	6530.0	Uncoated	0.486" (12.35mm)	1.075" (27.30mm)	0.748" (19.00mm)
EQK5032E040L250 KOOL MU 040 PERM EQ 5032 SIZE Magnetics, a division of Spang & Co.	3,750	-	RFQ	Datasheet	-	Bulk	Active	EQ	-	Kool Mµ	-	136 nH	±8%	Ungapped	-	40	-	133.0	314.0	-	41900.0	Uncoated	0.984" (25.00mm)	1.969" (50.00mm)	1.260" (32.00mm)
EQK5032E026L250 KOOL MU 026 PERM EQ 5032 SIZE Magnetics, a division of Spang & Co.	1,777	-	RFQ	Datasheet	-	Bulk	Active	EQ	-	Kool Mµ	-	92 nH	±8%	Ungapped	-	26	-	133.0	314.0	-	41900.0	Uncoated	0.984" (25.00mm)	1.969" (50.00mm)	1.260" (32.00mm)
EQK5032E060L250 KOOL MU 060 PERM EQ 5032 SIZE Magnetics, a division of Spang & Co.	4,637	-	RFQ	Datasheet	-	Bulk	Active	EQ	-	Kool Mµ	-	190 nH	±8%	Ungapped	-	60	-	133.0	314.0	-	41900.0	Uncoated	0.984" (25.00mm)	1.969" (50.00mm)	1.260" (32.00mm)
E42/33/20-3F36 FERRITE CORE E 3F36 Ferroxcube	4,855	-	RFQ	Datasheet	-	Bulk	Active	E	E 42 x 33 x 20	3F36	-	-	-	-	-	-	-	-	-	-	-	Uncoated	1.291" (32.80mm)	1.654" (42.00mm)	0.787" (20.00mm)
PQ32/30-3C92 Ferrite Misc Ferroxcube	1,365	-	RFQ	Datasheet	-	Bulk	Active	PQ	PQ 32 x 30	3C92	-	-	-	Ungapped	-	-	0.447	74.7	167.0	142.0	12500.0	Uncoated	0.596" (15.15mm)	1.299" (33.00mm)	0.866" (22.00mm)
B66483K0000X197 FERRITE CORE 3.77UH N97 EPCOS - TDK Electronics	3,257	-	RFQ	Datasheet	I20/2.3/14	Box	Active	-	I 20 x 2.3 x 14	N97	-	3.77 µH	±25%	Ungapped	1260.0	-	0.42	25.1	59.8	55.0	1500.0	Uncoated	0.091" (2.30mm)	0.787" (20.00mm)	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.