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Mfr Part #
Price
Stock
Supplier
Mfr
Min Qty
DK Part #
Series
Package
Part 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
B65807 J Type
FERRITE CORE RM 2.4UH N87 2PCS
$4.01000
2,000 - Immediate
EPCOS - TDK ElectronicsEPCOS - TDK Electronics
1
495-5230-ND
B65807
Box
ActiveRMRM 6N87-2.4 µH-20%, +30%Ungapped149022000.7828.636.6311050Uncoated0.246" (6.25mm)0.701" (17.90mm)0.323" (8.20mm)
B65807 J Type
FERRITE CORE RM 1.7UH N49 2PCS
$3.94000
5,360 - Immediate
EPCOS - TDK ElectronicsEPCOS - TDK Electronics
1
495-5229-ND
B65807
Box
ActiveRMRM 6N49-1.7 µH-20%, +30%Ungapped106015000.7828.636.6311050Uncoated0.246" (6.25mm)0.701" (17.90mm)0.323" (8.20mm)
B65807N250A48
FERRITE CORE RM 250NH N48 2PCS
$4.95000
4,092 - Immediate
EPCOS - TDK ElectronicsEPCOS - TDK Electronics
1
495-5234-ND
B65807
Box
ActiveRMRM 6N48-250 nH±3%Gapped171-0.8626.931.3-840Uncoated0.246" (6.25mm)0.701" (17.90mm)0.323" (8.20mm)
B65807 J Type
FERRITE CORE RM 8.6UH T38 2PCS
$5.27000
1,335 - Immediate
EPCOS - TDK ElectronicsEPCOS - TDK Electronics
1
495-5231-ND
B65807
Box
ActiveRMRM 6T38-8.6 µH-30%, +40%Ungapped535023000.7828.636.6311050Uncoated0.246" (6.25mm)0.701" (17.90mm)0.323" (8.20mm)
B65807 J Type
FERRITE CORE RM 2.4UH N97 2PCS
$3.94000
2,560 - Immediate
EPCOS - TDK ElectronicsEPCOS - TDK Electronics
1
495-75897-ND
B65807
Box
ActiveRMRM 6N97-2.4 µH-20%, +30%Ungapped149023000.7828.636.6311050Uncoated0.246" (6.25mm)0.701" (17.90mm)0.323" (8.20mm)
B65807 C Type
FERRITE CORE RM 400NH N48 2PCS
$4.04000
2,093 - Immediate
EPCOS - TDK ElectronicsEPCOS - TDK Electronics
1
495-5222-ND
B65807
Box
ActiveRMRM 6N48-400 nH±3%Gapped274-0.8626.931.3-840Uncoated0.246" (6.25mm)0.701" (17.90mm)0.323" (8.20mm)
B65807J0250A087
FERRITE CORE RM 250NH N87 2PCS
$4.21000
3,427 - Immediate
EPCOS - TDK ElectronicsEPCOS - TDK Electronics
1
495-5225-ND
B65807
Box
ActiveRMRM 6N87-250 nH±3%Gapped155-0.7828.636.6311050Uncoated0.246" (6.25mm)0.701" (17.90mm)0.323" (8.20mm)
B65807 N Type
FERRITE CORE RM 315NH N48 2PCS
$4.50000
2,563 - Immediate
EPCOS - TDK ElectronicsEPCOS - TDK Electronics
1
495-75211-ND
B65807
Box
ActiveRMRM 6N48-315 nH±3%Gapped215-0.8626.931.3-840Uncoated0.246" (6.25mm)0.701" (17.90mm)0.323" (8.20mm)
B65807N160G48
FERRITE CORE RM N48 2PCS
$4.50000
1,645 - Immediate
EPCOS - TDK ElectronicsEPCOS - TDK Electronics
1
495-5233-ND
B65807
Box
ActiveRMRM 6N48---Gapped--0.8626.931.3-840Uncoated0.246" (6.25mm)0.701" (17.90mm)0.323" (8.20mm)
B65807N63A33
FERRITE CORE RM 63NH M33 2PCS
$5.28000
1,669 - Immediate
EPCOS - TDK ElectronicsEPCOS - TDK Electronics
1
495-5237-ND
B65807
Box
ActiveRMRM 6M33-63 nH±3%Gapped43.27500.8626.931.3-840Uncoated0.246" (6.25mm)0.701" (17.90mm)0.323" (8.20mm)
B65807 N Type
FERRITE CORE RM 40NH K1 2PCS
$10.24000
1,201 - Immediate
EPCOS - TDK ElectronicsEPCOS - TDK Electronics
1
495-5236-ND
B65807
Box
ActiveRMRM 6K1-40 nH±3%Gapped27.4800.8626.931.3-840Uncoated0.246" (6.25mm)0.701" (17.90mm)0.323" (8.20mm)
B65807N100A33
FERRITE CORE RM 100NH M33 2PCS
$5.81000
109 - Immediate
EPCOS - TDK ElectronicsEPCOS - TDK Electronics
1
495-5232-ND
B65807
Box
ActiveRMRM 6M33-100 nH±3%Gapped68.57500.8626.931.3-840Uncoated0.246" (6.25mm)0.701" (17.90mm)0.323" (8.20mm)
B65807J160A87
FERRITE CORE RM 160NH N87 2PCS
$3.84000
134 - Immediate
EPCOS - TDK ElectronicsEPCOS - TDK Electronics
1
495-5224-ND
B65807
Box
ActiveRMRM 6N87-160 nH±3%Gapped99-0.7828.636.6311050Uncoated0.246" (6.25mm)0.701" (17.90mm)0.323" (8.20mm)
B65807 J Type
FERRITE CORE RM 6.2UH T35 2PCS
$4.02000
588 - Immediate
EPCOS - TDK ElectronicsEPCOS - TDK Electronics
1
495-5227-ND
B65807
Box
ActiveRMRM 6T35-6.2 µH-20%, +30%Ungapped386060000.7828.636.6311050Uncoated0.246" (6.25mm)0.701" (17.90mm)0.323" (8.20mm)
B65807 N Type
FERRITE CORE RM 160NH N48 2PCS
$4.95000
926 - Immediate
EPCOS - TDK ElectronicsEPCOS - TDK Electronics
1
B65807N0160A048-ND
B65807
Box
ActiveRMRM 6N48-160 nH±3%Gapped109-0.8626.931.3-840Uncoated0.246" (6.25mm)0.701" (17.90mm)0.323" (8.20mm)
$5.24000
746 - Immediate
EPCOS - TDK ElectronicsEPCOS - TDK Electronics
1
495-76583-ND
B65807
Bulk
ActiveRMRM 6PC200---20%, +30%Ungapped6808000.7828.636.6311050Uncoated0.492" (12.50mm)0.701" (17.90mm)0.323" (8.20mm)
B65807 J Type
FERRITE CORE RM 3.1UH N41 2PCS
$3.33000
865 - Immediate
EPCOS - TDK ElectronicsEPCOS - TDK Electronics
1
495-5228-ND
B65807
Box
ActiveRMRM 6N41-3.1 µH-20%, +30%Ungapped193028000.7828.636.6311050Uncoated0.246" (6.25mm)0.701" (17.90mm)0.323" (8.20mm)
B65807 J Type
FERRITE CORE RM 250NH N41 2PCS
$3.46000
667 - Immediate
EPCOS - TDK ElectronicsEPCOS - TDK Electronics
1
B65807J0250A041-ND
B65807
Box
ActiveRMRM 6N41-250 nH±3%Gapped15528000.7828.636.6311050Uncoated0.246" (6.25mm)0.701" (17.90mm)0.323" (8.20mm)
B65807C
FERRITE CORE RM 2.2UH N48 2PCS
$3.58000
694 - Immediate
EPCOS - TDK ElectronicsEPCOS - TDK Electronics
1
495-5223-ND
B65807
Box
ActiveRMRM 6N48-2.2 µH-20%, +30%Ungapped1500-0.8626.931.3-840Uncoated0.246" (6.25mm)0.701" (17.90mm)0.323" (8.20mm)
B65807 J Type
FERRITE CORE RM 250NH N48 2PCS
$3.68000
714 - Immediate
EPCOS - TDK ElectronicsEPCOS - TDK Electronics
1
495-B65807J0250A048-ND
B65807
Strip
ActiveRMRM 6N48-250 nH±3%Gapped171-0.7828.636.6311050Uncoated0.246" (6.25mm)0.701" (17.90mm)0.323" (8.20mm)
B65807 J Type
FERRITE CORE RM 4.3UH N30 2PCS
$4.00000
455 - Immediate
EPCOS - TDK ElectronicsEPCOS - TDK Electronics
1
495-5226-ND
B65807
Box
ActiveRMRM 6N30-4.3 µH-20%, +30%Ungapped267043000.7828.636.6311050Uncoated0.246" (6.25mm)0.701" (17.90mm)0.323" (8.20mm)
B65807 C Type
FERRITE CORE RM 250NH N48 2PCS
$4.04000
386 - Immediate
EPCOS - TDK ElectronicsEPCOS - TDK Electronics
1
495-76943-1-ND
495-76943-3-ND
B65807
Cut Tape (CT)
Tape & Box (TB)
ActiveRMRM 6N48-250 nH±3%Gapped171-0.8626.931.3-840Uncoated0.246" (6.25mm)0.701" (17.90mm)0.323" (8.20mm)
B65807N400A48
FERRITE CORE RM 400NH N48 2PCS
$4.95000
16 - Immediate
EPCOS - TDK ElectronicsEPCOS - TDK Electronics
1
495-5235-ND
B65807
Box
ActiveRMRM 6N48-400 nH±3%Gapped274-0.8626.931.3-840Uncoated0.246" (6.25mm)0.701" (17.90mm)0.323" (8.20mm)
B65807 J Type
FERRITE CORE RM 160NH N48 2PCS
$4.04000
71 - Immediate
EPCOS - TDK ElectronicsEPCOS - TDK Electronics
1
495-76944-1-ND
495-76944-3-ND
B65807
Cut Tape (CT)
Tape & Box (TB)
ActiveRMRM 6N48-160 nH±3%Gapped109-0.7828.636.6311050Uncoated0.246" (6.25mm)0.701" (17.90mm)0.323" (8.20mm)
B65807 C Type
FERRITE CORE RM 160NH N48 2PCS
$1.78916
0 - Immediate
EPCOS - TDK ElectronicsEPCOS - TDK Electronics
2,000
Non-Stock
B65807C0160A048-ND
B65807
Box
ActiveRMRM 6N48-160 nH±3%Gapped109-0.8626.931.3-840Uncoated0.246" (6.25mm)0.701" (17.90mm)0.323" (8.20mm)
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of 31

Ferrite Cores


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.