Ferrite Cores

Mfr Part #	Qty	Price	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<sup>-1</sup>	Effective Length (le) mm	Effective Area (Ae) mm²	Minimum Core Cross Section (Amin) mm²	Effective Magnetic Volume (Ve) mm³	Finish	Height	Length	Width
B66363G1000X127 FERRITE CORE ETD N27 1PC EPCOS - TDK Electronics	239	3.34000	Active	ETD	ETD 39 x 20 x 13	N27	-	-	-	Gapped	-	-	-	-	-	-	-	Uncoated	0.787" (20.00mm)	1.531" (38.90mm)	0.504" (12.80mm)	Details
B65805J0250A048 FERRITE CORE RM 250NH N48 2PCS EPCOS - TDK Electronics	5,601	1.25620	Active	RM	RM 5	N48	-	250 nH	±3%	Gapped	127	-	0.93	22.1	23.8	18	526	Uncoated	0.207" (5.25mm)	0.575" (14.60mm)	0.268" (6.80mm)	Details
5977001021 77 TOROID PLASTIC COATED Fair-Rite Products Corp.	349	2.06000	Active	Toroid	-	77	1.187" (30.15mm)	1.365 µH	-30%, +25%	Ungapped	-	2000	1.9811	73.2	36.9	-	2704	Plastic	0.325" (8.26mm)	-	-	Details
B65805P0000R092 FERRITE CORE RM 1.9UH N92 2PCS EPCOS - TDK Electronics	3,662	1.41650	Active	RM	RM 5 LP	N92	-	1.9 µH	-20%, +30%	Ungapped	1080	1500	0.71	17.5	24.5	18	430	Uncoated	0.154" (3.90mm)	0.575" (14.60mm)	0.268" (6.80mm)	Details
B65805N0100A033 FERRITE CORE RM 100NH M33 2PCS EPCOS - TDK Electronics	2,111	3.77000	Active	RM	RM 5	M33	-	100 nH	±3%	Gapped	79.6	-	1	20.8	20.8	-	433	Uncoated	0.207" (5.25mm)	0.575" (14.60mm)	0.268" (6.80mm)	Details
B66307G0060X187 FERRITE CORE E N87 1PC EPCOS - TDK Electronics	3,984	0.34580	Active	E	E 16 x 8 x 5	N87	-	-	-	Gapped	-	-	-	-	-	-	-	Uncoated	0.323" (8.20mm)	0.630" (16.00mm)	0.185" (4.70mm)	Details
4077312911 77 ROD Fair-Rite Products Corp.	741	1.54000	Active	ROD	-	77	0.315" (8.00mm)	-	-	Ungapped	29	2000	-	25	7.07	-	-	Uncoated	-	1.500" (38.10mm)	-	Details
B64290L0652X037 FERRITE CORE TOROID 4.08UH T37 EPCOS - TDK Electronics	3,772	0.51210	Active	Toroid	-	T37	0.717" (18.20mm)	4.08 µH	±25%	Ungapped	-	6500	2	42	21.04	-	884	Epoxy	0.307" (7.80mm)	-	-	Details
B64290L0044X037 FERRITE CORE TOROID 3.32UH T37 EPCOS - TDK Electronics	2,410	0.27930	Active	Toroid	-	T37	0.535" (13.60mm)	3.32 µH	±25%	Ungapped	-	6500	2.46	30.09	12.23	-	368	Epoxy	0.234" (5.95mm)	-	-	Details
B67374G0000X197 FERRITE CORE U N97 1PC EPCOS - TDK Electronics	2,209	189.97630	Active	U	U 141 x 78 x 30	N97	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	3.091" (78.50mm)	5.551" (141.00mm)	1.181" (30.00mm)	Details
B66453K0000X149 FERRITE CORE I N49 EPCOS - TDK Electronics	8,737	2.21000	Active	I	I 18 x 2 x 10	N49	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.079" (2.00mm)	0.709" (18.00mm)	0.394" (10.00mm)	Details
B64290L0644X065 FERRITE CORE TOROID 2.3UH T65 EPCOS - TDK Electronics	1,477	0.23250	Active	Toroid	-	T65	0.567" (14.40mm)	2.3 µH	±30%	Ungapped	-	4900	2.67	32.7	12.27	-	401	Epoxy	0.234" (5.95mm)	-	-	Details
B66417G0000X149 FERRITE CORE EFD N49 1PC EPCOS - TDK Electronics	3,475	1.09000	Active	EFD	EFD 20 x 10 x 7	N49	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.394" (10.00mm)	0.787" (20.00mm)	0.262" (6.65mm)	Details
B65686A0000R027 FERRITE CORE PM 10UH N27 2PCS EPCOS - TDK Electronics	86	83.57000	Active	PM	PM 74 x 59	N27	2.913" (74.00mm)	10 µH	-20%, +30%	Ungapped	1290	2000	0.162	128	790	630	101000	Uncoated	1.161" (29.50mm)	-	-	Details
B66283G0000X192 FERRITE CORE ELP N92 1PC EPCOS - TDK Electronics	1,970	2.18000	Active	ELP	ELP 18 x 4 x 10	N92	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.157" (4.00mm)	0.709" (18.00mm)	0.394" (10.00mm)	Details
T60006L2012W902 NANOCRYSTALLINE CORE, 12X8X4.5, VACUUMSCHMELZE	3,257	1.10000	Active	Toroid	-	-	0.555" (14.10mm)	28 µH	-	Ungapped	-	-	-	31.4	7.2	-	-	Uncoated	0.248" (6.30mm)	-	-	Details
B66417U0250K187 FERRITE CORE EPCOS - TDK Electronics	2,959	0.81000	Active	EFD	EFD 20 x 10 x 7	N87	-	-	±10%	Gapped	300	2200	1.52	47	31	31	1460	Uncoated	0.394" (10.00mm)	0.787" (20.00mm)	0.262" (6.65mm)	Details
B65819J0000R030 FERRITE CORE RM 5UH N30 2PCS EPCOS - TDK Electronics	101	2.99000	Active	RM	RM 7	N30	-	5 µH	-20%, +30%	Ungapped	2810	4300	0.7	30.4	43	39	1310	Uncoated	0.265" (6.75mm)	0.799" (20.30mm)	-	Details
B66337G0000X127 FERRITE CORE EC N27 1PC EPCOS - TDK Electronics	152	2.93000	Active	EC	EC 35 x 17 x 10	N27	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.687" (17.45mm)	1.358" (34.50mm)	0.386" (9.80mm)	Details
35T0231-30P FERRITE CORE TOROID Laird-Signal Integrity Products	8,696	0.05160	Active	Toroid	-	-	0.231" (5.87mm)	-	±20%	-	-	5000	-	-	-	-	-	Parylene	0.101" (2.56mm)	-	-	Details
B66482G0000X197 FERRITE CORE ER N97 1PC EPCOS - TDK Electronics	2,030	2.17000	Active	ER	ER 23 x 5 x 13	N97	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.201" (5.10mm)	0.913" (23.20mm)	0.492" (12.50mm)	Details
B66480G0000X192 FERRITE CORE ER N92 1PC EPCOS - TDK Electronics	1,054	1.76000	Active	ER	ER 18 x 3 x 10	N92	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.124" (3.15mm)	0.709" (18.00mm)	0.382" (9.70mm)	Details
B65513J0000Y038 FERRITE CORE EPCOS - TDK Electronics	6,954	1.00680	Active	-	-	-	-	6.6 µH	-30%, +40%	Ungapped	-	-	-	-	-	-	-	-	-	-	-	Details
B64290L0651X038 FERRITE CORE TOROID 12UH T38 EPCOS - TDK Electronics	999	3.02000	Active	Toroid	-	T38	0.917" (23.30mm)	12 µH	±30%	Ungapped	-	10000	1.05	54.15	51.15	-	2789	Epoxy	0.543" (13.80mm)	-	-	Details

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