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	23,570 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 25-13-09-0000 EFD Core Ferrite International	12,910 Marketplace	1 : $0.84000 Bulk	-	-	Bulk	Active	EFD	EFD 25 x 13 x 9	7099	-	-	±25%	Ungapped	Uncoated	0.492" (12.50mm)	0.984" (25.00mm)	0.358" (9.10mm)
7070 25-13-09-0000 EFD Core Ferrite International	12,910 Marketplace	1 : $0.84000 Bulk	-	-	Bulk	Active	EFD	EFD 25 x 13 x 9	7070	-	-	±25%	Ungapped	Uncoated	0.492" (12.50mm)	0.984" (25.00mm)	0.358" (9.10mm)
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)
7070 30-15-09-0000 EFD Core Ferrite International	7,550 Marketplace	1 : $0.94000 Bulk	-	-	Bulk	Active	EFD	EFD 30 x 15 x 9	7070	-	-	±25%	Ungapped	Uncoated	0.591" (15.00mm)	1.181" (30.00mm)	0.358" (9.10mm)
7099 30-15-09-0000 EFD Core Ferrite International	7,550 Marketplace	1 : $0.94000 Bulk	-	-	Bulk	Active	EFD	EFD 30 x 15 x 9	7099	-	-	±25%	Ungapped	Uncoated	0.591" (15.00mm)	1.181" (30.00mm)	0.358" (9.10mm)
7070 29-00-00-0000 ETD Core Ferrite International	11,390 Marketplace	1 : $1.14000 Bulk	-	-	Bulk	Active	ETD	ETD 29 x 16 x 10	7070	-	-	±25%	Ungapped	Uncoated	0.620" (15.75mm)	1.181" (30.00mm)	-
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)
5099 34-14-09-0000 E-Core Ferrite International	17,136 Marketplace	1 : $1.16000 Bulk	-	-	Bulk	Active	E	E 34 x 14 x 9	5099	-	-	±25%	Ungapped	Uncoated	0.557" (14.15mm)	1.350" (34.30mm)	0.366" (9.30mm)
50ALL 13-08-06-0002 Toroid Ferrite International	3,648 Marketplace	1 : $1.33000 Bulk	-	-	Bulk	Active	Toroid	-	50ALL	0.500" (12.70mm)	-	±25%	-	Coated	0.250" (6.35mm)	-	-
7070 20-20-00-0000 PQ Core Ferrite International	15,420 Marketplace	1 : $1.67000 Bulk	-	-	Bulk	Active	PQ	PQ 20 x 20	7070	-	-	±25%	Ungapped	Uncoated	0.398" (10.10mm)	0.831" (21.10mm)	0.551" (14.00mm)
7099 20-20-00-0000 PQ Core Ferrite International	15,420 Marketplace	1 : $1.67000 Bulk	-	-	Bulk	Active	PQ	PQ 20 x 20	7099	-	-	±25%	Ungapped	Uncoated	0.398" (10.10mm)	0.831" (21.10mm)	0.551" (14.00mm)
50ALL 20-20-00-0000 PQ Core Ferrite International	15,335 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)
7070 42-21-15-0000 E Core Ferrite International	12,645 Marketplace	1 : $2.14000 Bulk	-	-	Bulk	Active	E	E 42 x 21 x 15	7070	-	-	±25%	Ungapped	Uncoated	0.823" (20.90mm)	1.654" (42.00mm)	0.608" (15.44mm)
N001 39-00-00-0000 ETD Core Ferrite International	10,358 Marketplace	1 : $2.29000 Bulk	-	-	Bulk	Active	ETD	ETD 39 x 20 x 13	N001	-	-	±25%	Ungapped	Uncoated	0.780" (19.80mm)	-	0.493" (12.52mm)
8040 39-00-00-0000 ETD Core Ferrite International	10,358 Marketplace	1 : $2.29000 Bulk	-	-	Bulk	Active	ETD	ETD 39 x 20 x 13	8040	-	-	±25%	Ungapped	Uncoated	0.780" (19.80mm)	-	0.493" (12.52mm)
50ALL 22-13-00-0000 Pot Core Ferrite International	10,239 Marketplace	1 : $3.12000 Bulk	-	-	Bulk	Active	P (Pot Core)	P 22 x 13	50ALL	-	-	±25%	Ungapped	Uncoated	0.264" (6.71mm)	0.858" (21.80mm)	-
7099 22-13-00-0000 Pot Core Ferrite International	10,239 Marketplace	1 : $3.12000 Bulk	-	-	Bulk	Active	P (Pot Core)	P 22 x 13	7099	-	-	±25%	Ungapped	Uncoated	0.264" (6.71mm)	0.858" (21.80mm)	-
N001 22-13-00-0000 Pot Core Ferrite International	10,239 Marketplace	1 : $3.12000 Bulk	-	-	Bulk	Active	P (Pot Core)	P 22 x 13	N001	-	-	±25%	Ungapped	Uncoated	0.264" (6.71mm)	0.858" (21.80mm)	-
7070 22-13-00-0000 Pot Core Ferrite International	10,239 Marketplace	1 : $3.12000 Bulk	-	-	Bulk	Active	P (Pot Core)	P 22 x 13	7070	-	-	±25%	Ungapped	Uncoated	0.264" (6.71mm)	0.858" (21.80mm)	-
50ALL 18-11-00-0000 Pot Core Ferrite International	8,800 Marketplace	1 : $3.12000 Bulk	-	-	Bulk	Active	P (Pot Core)	P 18 × 11	50ALL	-	-	±25%	Ungapped	Uncoated	0.207" (5.25mm)	0.709" (18.00mm)	-
50ALL 44-00-00-0000 ETD Core Ferrite International	3,880 Marketplace	1 : $3.26000 Bulk	-	-	Bulk	Active	ETD	ETD 44 x 22 x 15	50ALL	-	-	±25%	Ungapped	Uncoated	0.878" (22.30mm)	-	0.583" (14.80mm)
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)

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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.