Ferrite Cores

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Mfr Part #	Quantity Available	Price	Tariff Status	Series	Package	Product Status	Core Type	Supplier Device Package	Material	Diameter	Inductance Factor (Al)	Tolerance	Gap	Finish	Height	Length	Width
5000 19-08-05-0000 E Core Ferrite International	23,670 Marketplace	1 : $0.35000 Bulk	-	-	Bulk	Active	E	E 19 x 8 x 5	5000	-	-	±25%	Ungapped	Uncoated	0.317" (8.05mm)	0.750" (19.05mm)	0.185" (4.70mm)
7070 19-08-05-0000 E Core Ferrite International	23,088 Marketplace	1 : $0.35000 Bulk	-	-	Bulk	Active	E	E 19 x 8 x 5	7070	-	-	±25%	Ungapped	Uncoated	0.317" (8.05mm)	0.750" (19.05mm)	0.185" (4.70mm)
7099 20-16-00-0000 PQ Core Ferrite International	17,642 Marketplace	1 : $0.94000 Bulk	-	-	Bulk	Active	PQ	PQ 20 x 16	7099	-	-	±25%	Ungapped	Uncoated	0.319" (8.10mm)	0.831" (21.10mm)	0.551" (14.00mm)
5000 34-14-09-0000 E-Core Ferrite International	17,272 Marketplace	1 : $1.16000 Bulk	-	-	Bulk	Active	E	E 34 x 14 x 9	5000	-	-	±25%	Ungapped	Uncoated	0.557" (14.15mm)	1.350" (34.30mm)	0.366" (9.30mm)
8040 34-14-09-0000 E-Core Ferrite International	17,180 Marketplace	1 : $1.16000 Bulk	-	-	Bulk	Active	E	E 34 x 14 x 9	8040	-	-	±25%	Ungapped	Uncoated	0.557" (14.15mm)	1.350" (34.30mm)	0.366" (9.30mm)
50ALL 20-20-00-0000 PQ Core Ferrite International	15,345 Marketplace	1 : $1.67000 Bulk	-	-	Bulk	Active	PQ	PQ 20 x 20	50ALL	-	-	±25%	Ungapped	Uncoated	0.398" (10.10mm)	0.831" (21.10mm)	0.551" (14.00mm)
5099 80-38-20-0000 E-Core Ferrite International	9,062 Marketplace	1 : $4.70000 Bulk	-	-	Bulk	Active	E	E 80 x 38 x 20	5099	-	-	±25%	Ungapped	Uncoated	1.500" (38.10mm)	3.150" (80.00mm)	0.780" (19.80mm)
5000 49-34-16-0002 Toroid Ferrite International	515 Marketplace	1 : $6.38000 Bulk	-	-	Bulk	Active	Toroid	-	5000	1.933" (49.10mm)	-	±25%	-	Coated	0.626" (15.90mm)	-	-
50ALL 64-50-24-0000 UR 64 Ferrite International	3,022 Marketplace	1 : $8.40000 Bulk	-	-	Bulk	Active	UR	-	50ALL	-	-	±25%	Ungapped	Uncoated	-	2.520" (64.00mm)	0.945" (24.00mm)
5099 70-54-32-0000 E-Core Ferrite International	1,720 Marketplace	1 : $9.60000 Bulk	-	-	Bulk	Active	E	-	5099	-	-	±25%	Ungapped	Uncoated	-	2.756" (70.00mm)	1.248" (31.70mm)
50ALL 93-76-30-0000 U Core Ferrite International	1,114 Marketplace	1 : $30.84000 Bulk	-	-	Bulk	Active	U	U 93 x 76 x 30	50ALL	-	-	±25%	Ungapped	Uncoated	2.992" (76.00mm)	3.661" (93.00mm)	1.181" (30.00mm)
5099 19-08-05-0000 E Core Ferrite International	23,680 Marketplace	1 : $0.35000 Bulk	-	-	Bulk	Active	E	E 19 x 8 x 5	5099	-	-	±25%	Ungapped	Uncoated	0.317" (8.05mm)	0.750" (19.05mm)	0.185" (4.70mm)
8040 19-08-05-0000 E Core Ferrite International	23,680 Marketplace	1 : $0.35000 Bulk	-	-	Bulk	Active	E	E 19 x 8 x 5	8040	-	-	±25%	Ungapped	Uncoated	0.317" (8.05mm)	0.750" (19.05mm)	0.185" (4.70mm)
7099 19-08-05-0000 E Core Ferrite International	23,680 Marketplace	1 : $0.35000 Bulk	-	-	Bulk	Active	E	E 19 x 8 x 5	7099	-	-	±25%	Ungapped	Uncoated	0.317" (8.05mm)	0.750" (19.05mm)	0.185" (4.70mm)
5099 25-10-06-0000 E Core Ferrite International	43,120 Marketplace	1 : $0.66000 Bulk	-	-	Bulk	Active	E	E 25 x 10 x 6	5099	-	-	±25%	Ungapped	Uncoated	0.380" (9.65mm)	1.000" (25.40mm)	0.252" (6.40mm)
5000 25-10-06-0000 E Core Ferrite International	43,120 Marketplace	1 : $0.66000 Bulk	-	-	Bulk	Active	E	E 25 x 10 x 6	5000	-	-	±25%	Ungapped	Uncoated	0.380" (9.65mm)	1.000" (25.40mm)	0.252" (6.40mm)
8040 25-10-06-0000 E Core Ferrite International	43,120 Marketplace	1 : $0.66000 Bulk	-	-	Bulk	Active	E	E 25 x 10 x 6	8040	-	-	±25%	Ungapped	Uncoated	0.380" (9.65mm)	1.000" (25.40mm)	0.252" (6.40mm)
7099 25-10-06-0000 E Core Ferrite International	43,120 Marketplace	1 : $0.66000 Bulk	-	-	Bulk	Active	E	E 25 x 10 x 6	7099	-	-	±25%	Ungapped	Uncoated	0.380" (9.65mm)	1.000" (25.40mm)	0.252" (6.40mm)
7070 25-10-06-0000 E Core Ferrite International	43,120 Marketplace	1 : $0.66000 Bulk	-	-	Bulk	Active	E	E 25 x 10 x 6	7070	-	-	±25%	Ungapped	Uncoated	0.380" (9.65mm)	1.000" (25.40mm)	0.252" (6.40mm)
7070 15-08-05-0000 EFD Core Ferrite International	16,380 Marketplace	1 : $0.68000 Bulk	-	-	Bulk	Active	EFD	EFD 15 x 8 x 5	7070	-	-	±25%	Ungapped	Uncoated	0.293" (7.43mm)	0.591" (15.00mm)	0.181" (4.60mm)
5000 15-08-05-0000 EFD Core Ferrite International	16,380 Marketplace	1 : $0.68000 Bulk	-	-	Bulk	Active	EFD	EFD 15 x 8 x 5	5000	-	-	±25%	Ungapped	Uncoated	0.293" (7.43mm)	0.591" (15.00mm)	0.181" (4.60mm)
5000 20-10-07-0000 EFD Core Ferrite International	13,230 Marketplace	1 : $0.72000 Bulk	-	-	Bulk	Active	EFD	EFD 20 x 10 x 7	5000	-	-	±25%	Ungapped	Uncoated	0.394" (10.00mm)	0.787" (20.00mm)	0.262" (6.65mm)
50ALL 20-10-07-0000 EFD Core Ferrite International	13,230 Marketplace	1 : $0.72000 Bulk	-	-	Bulk	Active	EFD	EFD 20 x 10 x 7	50ALL	-	-	±25%	Ungapped	Uncoated	0.394" (10.00mm)	0.787" (20.00mm)	0.262" (6.65mm)
7099 20-10-07-0000 EFD Core Ferrite International	13,230 Marketplace	1 : $0.72000 Bulk	-	-	Bulk	Active	EFD	EFD 20 x 10 x 7	7099	-	-	±25%	Ungapped	Uncoated	0.394" (10.00mm)	0.787" (20.00mm)	0.262" (6.65mm)
7070 20-10-07-0000 EFD Core Ferrite International	13,230 Marketplace	1 : $0.72000 Bulk	-	-	Bulk	Active	EFD	EFD 20 x 10 x 7	7070	-	-	±25%	Ungapped	Uncoated	0.394" (10.00mm)	0.787" (20.00mm)	0.262" (6.65mm)

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Ferrite cores are a magnetic device used in the windings of transformers or other wound components. The chemical makeup of these devices help to prevent eddy currents. These are created in different form factors such as: E, toroid, ER, multi-hole, etc. and come in many different sizes. Key parameters are going to be the size, form factor or core type, and inductance factor.