Ferrite Cores

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Mfr Part #	Quantity Available	Price	Series	Package	Product Status	Core Type	Supplier Device Package	Material	Diameter	Inductance Factor (Al)	Tolerance	Gap	Initial Permeability (µi)	Core Factor (ΣI/A) mm⁻¹	Effective Length (le) mm	Effective Area (Ae) mm²	Effective Magnetic Volume (Ve) mm³	Finish	Height	Length	Width
PC47EI19-Z FERRITE CORE E 1.4UH PCS47 1SET TDK Corporation	6,833 In Stock	1 : ¥166.00000 Tray	E	Tray	Active	E	-	PC47	-	1.4 µH	±25%	Ungapped	2500	1.65	39.6	24.0	950.0	Uncoated	-	0.787" (20.00mm)	0.197" (5.00mm)
PC47EI22-Z FERRITE CORE E 2.4UH PCS47 1SET TDK Corporation	433 In Stock	1 : ¥220.00000 Tray	E	Tray	Active	E	-	PC47	-	2.4 µH	±25%	Ungapped	2500	0.936	39.3	42.0	1650.0	Uncoated	-	0.866" (22.00mm)	-
PC47EER25.5-Z FERRITE COR EER 1.92UH PCS47 2PC TDK Corporation	405 In Stock	1 : ¥292.00000 Tray	E	Tray	Active	EER	EER 25.5	PC47	-	1.92 µH	±25%	Ungapped	-	1.08	48.2	44.8	2160.0	Uncoated	0.366" (9.30mm)	1.004" (25.50mm)	0.295" (7.50mm)
PC47EER28L-Z FERRITE CORE E 2.52UH PCS47 2PC TDK Corporation	158 In Stock	1 : ¥416.00000 Tray	E	Tray	Active	E	EER 28	PC47	-	2.52 µH	±25%	Ungapped	-	0.93	75.5	81.4	6150.0	Uncoated	0.665" (16.90mm)	1.124" (28.55mm)	0.449" (11.40mm)
PC47EI25-Z FERRITE CORE E 2.14UH PCS47 1SET TDK Corporation	475 In Stock	1 : ¥421.00000 Tray	E	Tray	Active	E	-	PC47	-	2.14 µH	±25%	Ungapped	2500	1.15	47.0	41.0	1930.0	Uncoated	-	0.996" (25.30mm)	-
PC47EI30-Z FERRITE CORE E 4.69UH PCS47 1SET TDK Corporation	670 In Stock	1 : ¥572.00000 Tray	E	Tray	Active	E	-	PC47	-	4.69 µH	±25%	Ungapped	2500	0.522	58.0	111.0	6440.0	Uncoated	-	1.181" (30.00mm)	0.421" (10.70mm)
PC47EI35-Z FERRITE CORE E 3.8UH PCS47 1SET TDK Corporation	1,251 In Stock	1 : ¥600.00000 Tray	E	Tray	Active	E	-	PC47	-	3.8 µH	±25%	Ungapped	2500	0.664	67.1	101.0	6780.0	Uncoated	-	1.378" (35.00mm)	0.394" (10.00mm)
PC47EI12.5-Z FERRITE CORE E 1.2UH PCS47 1SET TDK Corporation	634 In Stock	1 : ¥192.00000 Tray	E	Tray	Active	E	-	PC47	-	1.2 µH	±25%	Ungapped	2500	1.48	21.3	14.4	308.0	Uncoated	0.291" (7.40mm)	0.488" (12.40mm)	-
PC47EER40-Z FERRITE CORE E 3.62UH PCS47 2PC TDK Corporation	102 In Stock	1 : ¥1,013.00000 Tray	E	Tray	Active	E	EER 40	PC47	-	3.62 µH	±25%	Ungapped	-	0.66	98.0	149.0	14600.0	Uncoated	0.882" (22.40mm)	1.575" (40.00mm)	0.524" (13.30mm)
PC47EER28-Z FERRITE CORE E 2.87UH PCS47 2PC TDK Corporation	84 In Stock	1 : ¥426.00000 Tray	E	Tray	Active	E	EER 28	PC47	-	2.87 µH	±25%	Ungapped	-	0.78	64.0	82.1	5250.0	Uncoated	0.551" (14.00mm)	1.124" (28.55mm)	0.449" (11.40mm)
PC47EER35-Z FERRITE CORE E 2.77UH PCS47 2PC TDK Corporation	56 In Stock	1 : ¥933.00000 Tray	E	Tray	Active	E	EER 35	PC47	-	2.77 µH	±25%	Ungapped	-	0.85	90.8	107.0	9720.0	Uncoated	0.815" (20.70mm)	1.378" (35.00mm)	0.445" (11.30mm)
PC47EI50-Z FERRITE CORE E 6.11UH PCS47 1SET TDK Corporation	52 In Stock	1 : ¥1,303.00000 Tray	E	Tray	Active	E	-	PC47	-	6.11 µH	±25%	Ungapped	2500	0.409	94.0	230.0	21620.0	Uncoated	1.313" (33.35mm)	1.969" (50.00mm)	-
PC47EI60-Z FERRITE CORE E 5.67UH PCS47 1SET TDK Corporation	56 In Stock	1 : ¥1,557.00000 Tray	E	Tray	Active	E	-	PC47	-	5.67 µH	±25%	Ungapped	2500	0.441	109.0	247.0	26900.0	Uncoated	-	2.362" (60.00mm)	0.614" (15.60mm)
PC47EI40-Z FERRITE CORE E 4.86UH PCS47 1SET TDK Corporation	66 In Stock	1 : ¥795.00000 Tray	E	Tray	Active	E	-	PC47	-	4.86 µH	±25%	Ungapped	2500	0.52	77.0	148.0	11400.0	Uncoated	-	1.575" (40.00mm)	-
PC47EER42-Z FERRITE CORE E 4.69UH PCS47 2PC TDK Corporation	49 In Stock	1 : ¥890.00000 Tray	E	Tray	Active	E	EER 42	PC47	-	4.69 µH	±25%	Ungapped	-	0.51	98.8	194.0	19200.0	Uncoated	0.882" (22.40mm)	1.654" (42.00mm)	0.610" (15.50mm)
PC47EER42/42/20-Z FERRITE CORE E 5.34UH PCS47 2PC TDK Corporation	72 In Stock	1 : ¥1,415.00000 Tray	E	Tray	Active	E	EER 42 x 42 x 20	PC47	-	5.34 µH	±25%	Ungapped	-	0.41	98.6	240.0	23700.0	Uncoated	0.835" (21.20mm)	1.659" (42.15mm)	0.772" (19.60mm)
PC47EER49-Z FERRITE CORE E 6.25UH PCS47 2PC TDK Corporation	0 In Stock Check Lead Time	1 : ¥1,531.00000 Tray	E	Tray	Active	E	EER 49	PC47	-	6.25 µH	±25%	Ungapped	-	0.4	91.3	231.0	21100.0	Uncoated	0.748" (19.00mm)	1.929" (49.00mm)	0.677" (17.20mm)

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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.