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	Effective Permeability (µe)	Initial Permeability (µi)	Core Factor (ΣI/A) mm⁻¹	Effective Length (le) mm	Effective Area (Ae) mm²	Minimum Core Cross Section (Amin) mm²	Effective Magnetic Volume (Ve) mm³	Finish	Height	Length	Width
B65807J0000R087 FERRITE CORE RM 2.4UH N87 2PCS EPCOS - TDK Electronics	1,264 In Stock	1 : £2.24000 Box	RM6	Box	Active	RM	RM 6	N87	-	2.4 µH	-20%, +30%	Ungapped	1490.0	2200	0.78	28.6	36.6	31.0	1050.0	Uncoated	0.246" (6.25mm)	0.701" (17.90mm)	0.323" (8.20mm)
B65807N0400A048 FERRITE CORE RM 400NH N48 2PCS EPCOS - TDK Electronics	2,052 In Stock	1 : £2.81000 Box	RM6	Box	Active	RM	RM 6	N48	-	400 nH	±3%	Gapped	274.0	-	0.86	26.9	31.3	-	840.0	Uncoated	0.246" (6.25mm)	0.701" (17.90mm)	0.323" (8.20mm)
B65807N0250A048 FERRITE CORE RM 250NH N48 2PCS EPCOS - TDK Electronics	1,762 In Stock	1 : £2.83000 Box	RM6	Box	Active	RM	RM 6	N48	-	250 nH	±3%	Gapped	171.0	-	0.86	26.9	31.3	-	840.0	Uncoated	0.246" (6.25mm)	0.701" (17.90mm)	0.323" (8.20mm)
B65807J0000Y038 FERRITE CORE RM 8.6UH T38 2PCS EPCOS - TDK Electronics	2,361 In Stock	1 : £2.97000 Box	RM6	Box	Active	RM	RM 6	T38	-	8.6 µH	-30%, +40%	Ungapped	5350.0	2300	0.78	28.6	36.6	31.0	1050.0	Uncoated	0.246" (6.25mm)	0.701" (17.90mm)	0.323" (8.20mm)
B65807J0000R041 FERRITE CORE RM 3.1UH N41 2PCS EPCOS - TDK Electronics	1,162 In Stock	1 : £2.10000 Box	RM6	Box	Active	RM	RM 6	N41	-	3.1 µH	-20%, +30%	Ungapped	1930.0	2800	0.78	28.6	36.6	31.0	1050.0	Uncoated	0.246" (6.25mm)	0.701" (17.90mm)	0.323" (8.20mm)
B65807J0000R097 FERRITE CORE RM 2.4UH N97 2PCS EPCOS - TDK Electronics	387 In Stock	1 : £2.24000 Box	RM6	Box	Active	RM	RM 6	N97	-	2.4 µH	-20%, +30%	Ungapped	1490.0	2300	0.78	28.6	36.6	31.0	1050.0	Uncoated	0.246" (6.25mm)	0.701" (17.90mm)	0.323" (8.20mm)
B65807J0000R035 FERRITE CORE RM 6.2UH T35 2PCS EPCOS - TDK Electronics	1,298 In Stock	1 : £2.28000 Box	RM6	Box	Active	RM	RM 6	T35	-	6.2 µH	-20%, +30%	Ungapped	3860.0	6000	0.78	28.6	36.6	31.0	1050.0	Uncoated	0.246" (6.25mm)	0.701" (17.90mm)	0.323" (8.20mm)
B65807J0250A087 FERRITE CORE RM 250NH N87 2PCS EPCOS - TDK Electronics	216 In Stock	1 : £2.34000 Box	RM6	Box	Active	RM	RM 6	N87	-	250 nH	±3%	Gapped	155.0	-	0.78	28.6	36.6	31.0	1050.0	Uncoated	0.246" (6.25mm)	0.701" (17.90mm)	0.323" (8.20mm)
B65807J0160A087 FERRITE CORE RM 160NH N87 2PCS EPCOS - TDK Electronics	326 In Stock	1 : £2.37000 Box	RM6	Box	Active	RM	RM 6	N87	-	160 nH	±3%	Gapped	99.0	-	0.78	28.6	36.6	31.0	1050.0	Uncoated	0.246" (6.25mm)	0.701" (17.90mm)	0.323" (8.20mm)
B65807J0000R030 FERRITE CORE RM 4.3UH N30 2PCS EPCOS - TDK Electronics	1,639 In Stock	1 : £2.42000 Box	RM6	Box	Active	RM	RM 6	N30	-	4.3 µH	-20%, +30%	Ungapped	2670.0	4300	0.78	28.6	36.6	31.0	1050.0	Uncoated	0.246" (6.25mm)	0.701" (17.90mm)	0.323" (8.20mm)
B65807N0160G048 FERRITE CORE RM N48 2PCS EPCOS - TDK Electronics	2,023 In Stock	1 : £2.81000 Box	RM6	Box	Active	RM	RM 6	N48	-	-	-	Gapped	-	-	0.86	26.9	31.3	-	840.0	Uncoated	0.246" (6.25mm)	0.701" (17.90mm)	0.323" (8.20mm)
B65807N0160A048 FERRITE CORE RM 160NH N48 2PCS EPCOS - TDK Electronics	1,617 In Stock	1 : £2.81000 Box	RM6	Box	Active	RM	RM 6	N48	-	160 nH	±3%	Gapped	109.0	-	0.86	26.9	31.3	-	840.0	Uncoated	0.246" (6.25mm)	0.701" (17.90mm)	0.323" (8.20mm)
B65807C0000R048 FERRITE CORE RM 2.2UH N48 2PCS EPCOS - TDK Electronics	1,068 In Stock	1 : £2.24000 Box	RM6	Box	Active	RM	RM 6	N48	-	2.2 µH	-20%, +30%	Ungapped	1500.0	-	0.86	26.9	31.3	-	840.0	Uncoated	0.246" (6.25mm)	0.701" (17.90mm)	0.323" (8.20mm)
B65807J0400A048 FERRITE CORE RM 400NH N48 2PCS EPCOS - TDK Electronics	747 In Stock	1 : £2.28000 Box	RM6	Box	Active	RM	RM 6	N48	-	400 nH	±3%	Gapped	274.0	-	0.78	28.6	36.6	31.0	1050.0	Uncoated	0.246" (6.25mm)	0.701" (17.90mm)	0.323" (8.20mm)
B65807C0250A048 FERRITE CORE RM 250NH N48 2PCS EPCOS - TDK Electronics	922 In Stock	500 : £0.85240 Tape & Box (TB) 1 : £2.40000 Cut Tape (CT)	RM6	Cut Tape (CT) Tape & Box (TB)	Active	RM	RM 6	N48	-	250 nH	±3%	Gapped	171.0	-	0.86	26.9	31.3	-	840.0	Uncoated	0.246" (6.25mm)	0.701" (17.90mm)	0.323" (8.20mm)
B65807J0400A087 FERRITE CORE RM N87 EPCOS - TDK Electronics	1,528 In Stock	500 : £0.95180 Tape & Box (TB) 1 : £2.50000 Cut Tape (CT)	RM6	Cut Tape (CT) Tape & Box (TB)	Active	RM	RM 6	N87	-	-	-	Gapped	-	2200	0.78	28.6	36.6	31.0	1050.0	Uncoated	0.246" (6.25mm)	0.701" (17.90mm)	0.323" (8.20mm)
B65807N0315A048 FERRITE CORE RM 315NH N48 2PCS EPCOS - TDK Electronics	1,939 In Stock	1 : £2.81000 Box	RM6	Box	Active	RM	RM 6	N48	-	315 nH	±3%	Gapped	215.0	-	0.86	26.9	31.3	-	840.0	Uncoated	0.246" (6.25mm)	0.701" (17.90mm)	0.323" (8.20mm)
B65807J0000R608 FERRITE CORE RM PCS200 EPCOS - TDK Electronics	1,479 In Stock	1 : £2.96000 Bulk	RM6	Bulk	Active	RM	RM 6	PC200	-	-	-20%, +30%	Ungapped	680.0	800	0.78	28.6	36.6	31.0	1050.0	Uncoated	0.492" (12.50mm)	0.701" (17.90mm)	0.323" (8.20mm)
B65807N0100A033 FERRITE CORE RM 100NH M33 2PCS EPCOS - TDK Electronics	1,312 In Stock	1 : £3.21000 Box	RM6	Box	Active	RM	RM 6	M33	-	100 nH	±3%	Gapped	68.5	750	0.86	26.9	31.3	-	840.0	Uncoated	0.246" (6.25mm)	0.701" (17.90mm)	0.323" (8.20mm)
B65807N0063A033 FERRITE CORE RM 63NH M33 2PCS EPCOS - TDK Electronics	2,138 In Stock	1 : £3.23000 Box	RM6	Box	Active	RM	RM 6	M33	-	63 nH	±3%	Gapped	43.2	750	0.86	26.9	31.3	-	840.0	Uncoated	0.246" (6.25mm)	0.701" (17.90mm)	0.323" (8.20mm)
B65807N0040A001 FERRITE CORE RM 40NH K1 2PCS EPCOS - TDK Electronics	1,991 In Stock	1 : £4.97000 Box	RM6	Box	Active	RM	RM 6	K1	-	40 nH	±3%	Gapped	27.4	80	0.86	26.9	31.3	-	840.0	Uncoated	0.246" (6.25mm)	0.701" (17.90mm)	0.323" (8.20mm)
B65807C0400A048 FERRITE CORE RM 400NH N48 2PCS EPCOS - TDK Electronics	561 In Stock	1 : £2.16000 Box	RM6	Box	Active	RM	RM 6	N48	-	400 nH	±3%	Gapped	274.0	-	0.86	26.9	31.3	-	840.0	Uncoated	0.246" (6.25mm)	0.701" (17.90mm)	0.323" (8.20mm)
B65807C0160A048 FERRITE CORE RM 160NH N48 2PCS EPCOS - TDK Electronics	1,941 In Stock	1 : £2.18000 Box	RM6	Box	Active	RM	RM 6	N48	-	160 nH	±3%	Gapped	109.0	-	0.86	26.9	31.3	-	840.0	Uncoated	0.246" (6.25mm)	0.701" (17.90mm)	0.323" (8.20mm)
B65807J0250A041 FERRITE CORE RM 250NH N41 2PCS EPCOS - TDK Electronics	598 In Stock	1 : £2.18000 Box	RM6	Box	Active	RM	RM 6	N41	-	250 nH	±3%	Gapped	155.0	2800	0.78	28.6	36.6	31.0	1050.0	Uncoated	0.246" (6.25mm)	0.701" (17.90mm)	0.323" (8.20mm)
B65807J0160A048 FERRITE CORE RM 160NH N48 2PCS EPCOS - TDK Electronics	3,780 In Stock	500 : £0.91162 Tape & Box (TB) 1 : £2.40000 Cut Tape (CT)	RM6	Cut Tape (CT) Tape & Box (TB)	Active	RM	RM 6	N48	-	160 nH	±3%	Gapped	109.0	-	0.78	28.6	36.6	31.0	1050.0	Uncoated	0.246" (6.25mm)	0.701" (17.90mm)	0.323" (8.20mm)

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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.

Ferrite Cores

Ferrite Cores

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