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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
    5977004901

    5977004901

    FERRITE CORE TOROID 77

    Fair-Rite Products Corp.

    1,819
    RFQ
    5977004901

    Datasheet

    - Bulk Active Toroid - 77 0.630" (16.00mm) - ±25% Ungapped - 2000 - 38.5 19.9 - 770.0 Uncoated 0.250" (6.35mm) - -
    0077121A7

    0077121A7

    KOOL MU 060 PERM BLACK 120 SIZE

    Magnetics, a division of Spang & Co.

    1,997
    RFQ
    0077121A7

    Datasheet

    - Bulk Active Toroid - Kool Mu 0.653" (16.59mm) 35 nH ±8% Ungapped - 60 - 41.2 19.2 - 791.0 Uncoated 0.250" (6.35mm) - -
    B66483G0000X195

    B66483G0000X195

    FERRITE CORE N95

    EPCOS - TDK Electronics

    381
    RFQ
    B66483G0000X195

    Datasheet

    EQ20/6.3/14 Box Active - - N95 - - - - - 3000 - - - - - - - 0.787" (20.00mm) 0.551" (14.00mm)
    ZJ42206TC

    ZJ42206TC

    FERRITE CORE TOROID 3.02UH

    Magnetics, a division of Spang & Co.

    1,373
    RFQ
    ZJ42206TC

    Datasheet

    - Bulk Active Toroid - - 0.900" (22.86mm) 3.02 µH ±20% Ungapped - 5000 - 54.1 25.8 - 1395.0 Epoxy 0.272" (6.91mm) - -
    2644800302

    2644800302

    44 ROUND SUPPRESSION CORE

    Fair-Rite Products Corp.

    4,029
    RFQ
    2644800302

    Datasheet

    - Tray Active Toroid - 44 0.490" (12.45mm) - - Ungapped - - - 29.5 12.9 - 381.0 Uncoated 0.188" (4.78mm) - -
    C055030A2

    C055030A2

    FERRITE CORE TOROID 52NH MPP

    Magnetics, a division of Spang & Co.

    1,731
    RFQ
    C055030A2

    Datasheet

    - Bulk Active Toroid - MPP 0.310" (7.87mm) 52 nH ±8% Ungapped - 125 - 17.9 5.99 - 107.0 Coated 0.125" (3.18mm) - -
    ZT41003TC

    ZT41003TC

    TOROID GREY COATED

    Magnetics, a division of Spang & Co.

    1,902
    RFQ
    ZT41003TC

    Datasheet

    - Bulk Active Toroid - T 0.400" (10.15mm) 1.33 µH ±25% Ungapped - 3000 - 20.7 7.3 - 151.0 Epoxy 0.147" (3.73mm) - -
    ZP42206TC

    ZP42206TC

    FERRITE CORE TOROID 1.51UH P

    Magnetics, a division of Spang & Co.

    1,605
    RFQ
    ZP42206TC

    Datasheet

    - Bulk Active Toroid - P 0.900" (22.86mm) 1.51 µH ±25% Ungapped - 2500 - 54.1 25.8 - 1395.0 Epoxy 0.272" (6.91mm) - -
    B65843A0100A087

    B65843A0100A087

    FERRITE CORE EP N87

    EPCOS - TDK Electronics

    929
    RFQ
    B65843A0100A087

    Datasheet

    EP13 Box Active EP EP 13 N87 - - ±3% Gapped 99.0 2200 1.24 24.2 19.5 14.9 472.0 Uncoated 0.256" (6.50mm) 0.504" (12.80mm) 0.354" (9.00mm)
    C058290A2

    C058290A2

    FERRITE CORE TOROID 66NH HIGH FL

    Magnetics, a division of Spang & Co.

    1,220
    RFQ
    C058290A2

    Datasheet

    - Bulk Active Toroid - High Flux 0.405" (10.29mm) 66 nH ±8% Ungapped - 125 - 21.8 9.45 - 206.0 Coated 0.181" (4.60mm) - -
    2652801102

    2652801102

    52 ROUND SUPPRESSION CORE

    Fair-Rite Products Corp.

    3,147
    RFQ
    2652801102

    Datasheet

    - Tray Active Toroid - 52 0.490" (12.45mm) - - Ungapped - - - 31.2 15.0 - 466.0 Uncoated 0.240" (6.10mm) - -
    2631800302

    2631800302

    31 ROUND SUPPRESSION CORE

    Fair-Rite Products Corp.

    3,097
    RFQ
    2631800302

    Datasheet

    - Tray Active Toroid - 31 0.490" (12.45mm) - - Ungapped - - - 29.5 12.9 - 381.0 Uncoated 0.183" (4.65mm) - -
    B65523J0000Y038

    B65523J0000Y038

    FERRITE CORE ER 4.5UH T38 2PCS

    EPCOS - TDK Electronics

    2,492
    RFQ
    B65523J0000Y038

    Datasheet

    ER9.5 Box Active ER ER 9.5 x 5 T38 - 4.5 µH -30%, +40% Ungapped 5680.0 10000 1.54 13.6 8.81 - 120.0 Uncoated 0.098" (2.50mm) 0.374" (9.50mm) 0.197" (5.00mm)
    0P43939EC

    0P43939EC

    FERRITE CORE ETD 3.227UH P

    Magnetics, a division of Spang & Co.

    1,958
    RFQ
    0P43939EC

    Datasheet

    - Bulk Active ETD - P - 3.227 µH - Ungapped - 2500 - 92.2 125.0 - 11500.0 Uncoated 0.780" (19.80mm) 1.575" (40.00mm) 0.504" (12.80mm)
    0078381A7

    0078381A7

    FERRITE CORE TOROID 43NH XFLUX

    Magnetics, a division of Spang & Co.

    1,823
    RFQ
    0078381A7

    Datasheet

    - Bulk Active Toroid - XFlux 0.680" (17.27mm) 43 nH ±8% Ungapped - 60 - 41.4 23.2 - 960.0 Coated 0.250" (6.35mm) - -
    0P44317EC

    0P44317EC

    FERRITE CORE E 4.24UH P

    Magnetics, a division of Spang & Co.

    1,850
    RFQ
    0P44317EC

    Datasheet

    - Bulk Active E - P - 4.24 µH - Ungapped - 2500 - 77.0 149.0 142.0 11500.0 Uncoated 0.654" (16.60mm) 1.598" (40.60mm) 0.488" (12.40mm)
    0P44121UC

    0P44121UC

    FERRITE CORE UR 2.047UH P

    Magnetics, a division of Spang & Co.

    1,440
    RFQ
    0P44121UC

    Datasheet

    - Bulk Active UR - P - 2.047 µH - Ungapped - 2500 - 115.2 114.3 - 13172.0 Uncoated 0.811" (20.60mm) 1.645" (41.78mm) 0.470" (11.94mm)
    ZJ42915TC

    ZJ42915TC

    FERRITE CORE TOROID 6.447UH

    Magnetics, a division of Spang & Co.

    2,537
    RFQ
    ZJ42915TC

    Datasheet

    - Bulk Active Toroid - - 1.187" (30.15mm) 6.447 µH ±20% Ungapped - 5000 - 73.2 74.9 - 5481.0 Epoxy 0.638" (16.20mm) - -
    0P42016UG

    0P42016UG

    FERRITE CORE PQ 3.907UH P

    Magnetics, a division of Spang & Co.

    1,664
    RFQ
    0P42016UG

    Datasheet

    - Bulk Active PQ - P - 3.907 µH - Ungapped - 2500 - 37.6 61.9 - 2330.0 Uncoated 0.638" (16.20mm) 0.839" (21.30mm) 0.551" (14.00mm)
    0078210A7

    0078210A7

    FERRITE CORE TOROID 49NH XFLUX

    Magnetics, a division of Spang & Co.

    1,560
    RFQ
    0078210A7

    Datasheet

    - Bulk Active Toroid - XFlux 0.830" (21.08mm) 49 nH ±8% Ungapped - 90 - 50.9 22.1 - 1120.0 Coated 0.280" (7.11mm) - -
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