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
B65813J0000Y038 FERRITE CORE RM 16UH T38 2PCS EPCOS - TDK Electronics	333	5.49000	Active	RM	RM 10	T38	-	16 µH	-30%, +40%	Ungapped	5720	2300	0.45	44	98	90	4310	Uncoated	0.368" (9.35mm)	1.122" (28.50mm)	0.531" (13.50mm)	Details
B65803P0000R049 FERRITE CORE RM 950NH N49 2PCS EPCOS - TDK Electronics	1,063	2.75000	Active	RM	RM 4 LP	N49	-	950 nH	-20%, +30%	Ungapped	900	1500	1.2	17.3	14.5	11.3	251	Uncoated	0.154" (3.90mm)	0.433" (11.00mm)	0.181" (4.60mm)	Details
4052155611 52 ROD Fair-Rite Products Corp.	7,045	0.60000	Active	ROD	-	52	-	-	-	Ungapped	-	250	-	-	-	-	-	Uncoated	-	0.984" (25.00mm)	-	Details
9478202002 78 PLANAR E CORE SET Fair-Rite Products Corp.	1,634	0.78000	Active	E	-	78	-	-	±25%	Ungapped	-	2300	60	24.3	39.5	39	960	Uncoated	-	-	0.394" (10.00mm)	Details
B64290L0043X830 FERRITE CORE TOROID 9.3UH N30 EPCOS - TDK Electronics	5,626	14.71350	Active	Toroid	-	N30	2.366" (60.10mm)	9.3 µH	±25%	Ungapped	-	4300	0.58	134	230	-	30710	Epoxy	0.760" (19.30mm)	-	-	Details
7878400121 78 PLANAR EI CORE SET Fair-Rite Products Corp.	8,188	0.68000	Active	E	-	78	-	-	±25%	Ungapped	-	2300	109	16.6	15.2	15	252	Uncoated	-	0.551" (14.00mm)	0.197" (5.00mm)	Details
B66453G0000X187 FERRITE CORE ELP N87 1PC EPCOS - TDK Electronics	1,645	1.66000	Active	ELP	ELP 18 x 4 x 10	N87	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.157" (4.00mm)	0.709" (18.00mm)	0.394" (10.00mm)	Details
B64290P0035X830 FERRITE CORE TOROID 440NH N30 EPCOS - TDK Electronics	9,881	0.15160	Active	Toroid	-	N30	0.099" (2.52mm)	440 nH	±25%	Ungapped	-	4300	12.3	6.02	0.49	-	3	Parylene	0.040" (1.02mm)	-	-	Details
B66461K0000X192 FERRITE CORE I N92 EPCOS - TDK Electronics	7,719	7.34000	Active	I	I 43 x 4 x 28	N92	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.161" (4.10mm)	1.700" (43.20mm)	1.098" (27.90mm)	Details
B66377G0000X127 FERRITE CORE ER N27 1PC EPCOS - TDK Electronics	7,028	2.55940	Active	ER	ER 46 x 17 x 18	N27	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.689" (17.50mm)	1.811" (46.00mm)	0.709" (18.00mm)	Details
B66363Q0150K187 ETD39/20/13-N87-DG150 EPCOS - TDK Electronics	157	3.09000	Active	ETD	ETD 39 x 20 x 13	N87	-	150 nH	±10%	Distributed Gapped	-	-	0.74	92.2	125	123	11500	Uncoated	0.504" (12.80mm)	1.531" (38.90mm)	0.787" (20.00mm)	Details
B65881Q0100K097 PQ35/35-N97-DG100 EPCOS - TDK Electronics	60	13.71000	Active	PQ	PQ 35 x 35	N97	-	100 nH	±10%	Distributed Gapped	-	-	0.47	79.7	171	161	13650	Uncoated	0.685" (17.40mm)	1.382" (35.10mm)	1.024" (26.00mm)	Details
B66302G0000X138 FERRITE CORE E T38 1PC EPCOS - TDK Electronics	3,547	1.17000	Active	E	E 8 x 8	T38	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.161" (4.10mm)	0.354" (9.00mm)	0.079" (2.00mm)	Details
B66894G0000X195 FERRITE CORES EPCOS - TDK Electronics	5,271	43.58750	Active	E	E 100/60/28	N97	-	-	-20%, +30%	Ungapped	2520	-	0.373	274	735	690	201390	Uncoated	2.339" (59.40mm)	3.949" (100.30mm)	1.083" (27.50mm)	Details
B65843A0250J087 FERRITE CORE EP 250NH N87 2PCS EPCOS - TDK Electronics	7,993	0.84330	Active	EP	EP 13	N87	-	250 nH	±5%	Gapped	247	2200	1.24	24.2	19.5	14.9	472	Uncoated	0.256" (6.50mm)	0.504" (12.80mm)	0.354" (9.00mm)	Details
B64290P0036X830 FERRITE CORE TOROID 700NH N30 EPCOS - TDK Electronics	11,047	0.33000	Active	Toroid	-	N30	0.158" (4.02mm)	700 nH	±25%	Ungapped	-	4300	7.7	9.63	1.25	-	12	Parylene	0.064" (1.62mm)	-	-	Details
B64290P0037X087 FERRITE CORE TOROID 560NH N87 EPCOS - TDK Electronics	19,902	0.55000	Active	Toroid	-	N87	0.249" (6.32mm)	560 nH	±25%	Ungapped	-	2200	4.97	15.21	3.06	-	46.5	Parylene	0.099" (2.52mm)	-	-	Details
B65813J1600K041 FERRITE CORE RM 1.6UH N41 2PCS EPCOS - TDK Electronics	539	4.96000	Active	RM	RM 10	N41	-	1.6 µH	±10%	Gapped	572	2800	0.45	44	98	90	4310	Uncoated	0.368" (9.35mm)	1.122" (28.50mm)	0.531" (13.50mm)	Details
B64290L0082X037 FERRITE CORE TOROID 12UH T37 EPCOS - TDK Electronics	195	19.31000	Active	Toroid	-	T37	2.040" (51.80mm)	12 µH	±25%	Ungapped	-	6000	0.62	120.4	195.7	-	23560	Epoxy	0.839" (21.30mm)	-	-	Details
B66305G0000X127 FERRITE CORE E N27 1PC EPCOS - TDK Electronics	27,600	0.44000	Active	E	E 13 x 7 x 4	N27	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.256" (6.50mm)	0.496" (12.60mm)	0.146" (3.70mm)	Details
8995121221 95 EFD CORE SET Fair-Rite Products Corp.	4,643	0.80000	Active	EFD	-	95	-	-	±25%	Ungapped	-	3000	259	28.4	11	10.8	311	Uncoated	0.244" (6.20mm)	0.492" (12.50mm)	-	Details
B66423G0000X197 FERRITE CORE EFD N97 1PC EPCOS - TDK Electronics	377	1.88000	Active	EFD	EFD 30 x 15 x 9	N97	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.591" (15.00mm)	1.181" (30.00mm)	0.358" (9.10mm)	Details
35T0231-00P FERRITE CORE TOROID Laird-Signal Integrity Products	2,831	0.02750	Active	Toroid	-	-	0.231" (5.87mm)	991 nH	±20%	Ungapped	-	5000	-	-	-	-	26.775	Parylene	0.061" (1.55mm)	-	-	Details
B65839A0200C057 FERRITE CORE EP 200NH T57 2PCS EPCOS - TDK Electronics	8,630	0.59450	Active	EP	EP 7	T57	-	200 nH	±6%	Gapped	243	4000	1.52	15.7	10.3	8.5	162	Uncoated	0.148" (3.75mm)	0.370" (9.40mm)	0.256" (6.50mm)	Details

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