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    Ferrite Cores

    Manufacturer Series Packaging 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

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    Photo Mfr. Part # Availability Price Quantity Datasheet Series Packaging 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
    FINTR.14000

    FINTR.14000

    FERRITE CORE TOROID 140X140X25MM

    Enerdoor

    2,232
    RFQ
    FINTR.14000

    Datasheet

    FINTR Bulk Active Toroid - - 5.512" (140.00mm) - - Ungapped - - - - - - - Uncoated 0.984" (25.00mm) - -
    FINTR.6300

    FINTR.6300

    FERRITE CORE TOROID 63X63X25MM

    Enerdoor

    2,008
    RFQ
    FINTR.6300

    Datasheet

    FINTR Bulk Active Toroid - - 2.480" (63.00mm) - - Ungapped - - - - - - - Uncoated 0.984" (25.00mm) - -
    FINTR.4900

    FINTR.4900

    FERRITE CORE TOROID 49X49X16MM

    Enerdoor

    2,345
    RFQ
    FINTR.4900

    Datasheet

    FINTR Bulk Active Toroid - - 1.929" (49.00mm) - - Ungapped - - - - - - - Uncoated 0.630" (16.00mm) - -
    FINTR.3600

    FINTR.3600

    FERRITE CORE TOROID 37X37X16MM

    Enerdoor

    4,702
    RFQ
    FINTR.3600

    Datasheet

    FINTR Bulk Active Toroid - - 1.457" (37.00mm) - - Ungapped - - - - - - - Uncoated 0.630" (16.00mm) - -
    HF70BB5.5X5X2.5

    HF70BB5.5X5X2.5

    FERRITE CORE TUBE HF70

    TDK Corporation

    3,473
    RFQ
    HF70BB5.5X5X2.5

    Datasheet

    BB Bulk Obsolete Tube - HF70 0.217" (5.50mm) - - Ungapped - 1500 - - - - - - - 0.197" (5.00mm) -
    HF40BB3.5X5X1.3

    HF40BB3.5X5X1.3

    FERRITE CORE TUBE HF40

    TDK Corporation

    2,263
    RFQ
    HF40BB3.5X5X1.3

    Datasheet

    BB Bulk Obsolete Tube - HF40 0.138" (3.50mm) - - Ungapped - 120 - - - - - - - 0.197" (5.00mm) -
    HF70BB5X5X2

    HF70BB5X5X2

    FERRITE CORE

    TDK Corporation

    3,896
    RFQ
    HF70BB5X5X2

    Datasheet

    BB Bulk Obsolete - - - - - - - - - - - - - - - - - -
    Q5B-RID3X3X5H1.2

    Q5B-RID3X3X5H1.2

    FERRITE CORE 2 HOLE Q5B

    TDK Corporation

    3,689
    RFQ
    Q5B-RID3X3X5H1.2

    Datasheet

    RID Bulk Obsolete Multi-Hole (2) - Q5B - - - Ungapped - 100 - - - - - - 0.118" (3.00mm) 0.205" (5.20mm) 0.118" (3.00mm)
    HF70RH10X20X5

    HF70RH10X20X5

    FERRITE CORE TUBE HF70

    TDK Corporation

    1,760
    RFQ
    HF70RH10X20X5

    Datasheet

    RH Bulk Obsolete Tube - HF70 0.394" (10.00mm) - - Ungapped - 1500 - - - - - - - 0.787" (20.00mm) -
    HF40BB3.4X3X1

    HF40BB3.4X3X1

    FERRITE CORE TUBE HF40

    TDK Corporation

    4,734
    RFQ
    HF40BB3.4X3X1

    Datasheet

    BB Bulk Obsolete Tube - HF40 0.134" (3.40mm) - - Ungapped - 120 - - - - - - - 0.118" (3.00mm) -
    GT3 RID3X2X5H1.2

    GT3 RID3X2X5H1.2

    FERRITE CORE 2 HOLE GT3

    TDK Corporation

    1,391
    RFQ
    GT3 RID3X2X5H1.2

    Datasheet

    RID Bulk Obsolete Multi-Hole (2) - GT3 - - - Ungapped - 120 - - - - - - 0.079" (2.00mm) 0.205" (5.20mm) 0.118" (3.00mm)
    HF70MH2.5X7.6X8

    HF70MH2.5X7.6X8

    FERRITE CORE MULTI-HOLE HF70

    TDK Corporation

    3,752
    RFQ
    HF70MH2.5X7.6X8

    Datasheet

    MH Bulk Obsolete Multi-Hole - HF70 - - - Ungapped - 1500 - - - - - - 0.039" (1.00mm) 0.400" (10.16mm) 0.400" (10.16mm)
    HF40T28X13X16-G

    HF40T28X13X16-G

    FERRITE CORE TOROID HF40

    TDK Corporation

    1,586
    RFQ
    HF40T28X13X16-G

    Datasheet

    T Bulk Obsolete Toroid - HF40 1.102" (28.00mm) - - Ungapped - 120 - - - - - - 0.512" (13.00mm) - -
    HF70RH16X28X9

    HF70RH16X28X9

    FERRITE CORE TUBE HF70

    TDK Corporation

    3,677
    RFQ
    HF70RH16X28X9

    Datasheet

    RH Bulk Obsolete Tube - HF70 0.630" (16.00mm) - - Ungapped - 1500 - - - - - - - 1.102" (28.00mm) -
    HF40BB5X6X2.5

    HF40BB5X6X2.5

    FERRITE CORE TUBE HF40

    TDK Corporation

    4,625
    RFQ
    HF40BB5X6X2.5

    Datasheet

    BB Bulk Obsolete Tube - HF40 0.197" (5.00mm) - - Ungapped - 120 - - - - - - - 0.236" (6.00mm) -
    HF70RH7X14X4

    HF70RH7X14X4

    FERRITE CORE TUBE HF70

    TDK Corporation

    3,098
    RFQ
    HF70RH7X14X4

    Datasheet

    RH Bulk Obsolete Tube - HF70 0.276" (7.00mm) - - Ungapped - 1500 - - - - - - - 0.551" (14.00mm) -
    HF70RU16X28X9S

    HF70RU16X28X9S

    FERRITE CORE TUBE HF70

    TDK Corporation

    4,612
    RFQ
    HF70RU16X28X9S

    Datasheet

    RU Bulk Obsolete Tube - HF70 0.630" (16.00mm) - - Ungapped - 1500 - - - - - - - 1.102" (28.00mm) -
    HF70T14X7X8

    HF70T14X7X8

    FERRITE CORE TOROID HF70

    TDK Corporation

    4,767
    RFQ
    HF70T14X7X8

    Datasheet

    T Bulk Obsolete Toroid - HF70 0.551" (14.00mm) - - Ungapped - 1500 - - - - - - 0.276" (7.00mm) - -
    HF70RH26X29X13

    HF70RH26X29X13

    FERRITE CORE TUBE HF70

    TDK Corporation

    4,998
    RFQ
    HF70RH26X29X13

    Datasheet

    RH Bulk Obsolete Tube - HF70 1.024" (26.00mm) - - Ungapped - 1500 - - - - - - - 1.142" (29.00mm) -
    Q5B RID8X7X15H5

    Q5B RID8X7X15H5

    FERRITE CORE 2 HOLE Q5B

    TDK Corporation

    1,693
    RFQ
    Q5B RID8X7X15H5

    Datasheet

    RID Bulk Obsolete Multi-Hole (2) - Q5B - - - Ungapped - 100 - - - - - - 0.276" (7.00mm) 0.591" (15.00mm) 0.315" (8.00mm)
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