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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
    5975000501

    5975000501

    FERRITE CORE TOROID 75

    Fair-Rite Products Corp.

    1,086
    RFQ
    5975000501

    Datasheet

    - Bulk Active Toroid - 75 0.825" (20.96mm) - ±20% Ungapped - 5000 - 52.0 46.0 - 2360.0 Uncoated 0.468" (11.89mm) - -
    ZJ42207TC

    ZJ42207TC

    FERRITE CORE TOROID 3.7UH

    Magnetics, a division of Spang & Co.

    3,636
    RFQ
    ZJ42207TC

    Datasheet

    - Bulk Active Toroid - - 0.900" (22.86mm) 3.7 µH ±20% Ungapped - 5000 - 54.1 32.1 - 1740.0 Epoxy 0.337" (8.55mm) - -
    0077180A7

    0077180A7

    FERRITE CORE TOROID 42NH KOOL MU

    Magnetics, a division of Spang & Co.

    4,654
    RFQ
    0077180A7

    Datasheet

    - Bulk Active Toroid - Kool Mu 0.208" (5.28mm) 42 nH ±15% Ungapped - 125 - 10.6 2.85 - 30.0 Coated 0.125" (3.18mm) - -
    2675800202

    2675800202

    75 SHIELD BEAD

    Fair-Rite Products Corp.

    2,379
    RFQ
    2675800202

    Datasheet

    - Bag Active Toroid - 75 0.366" (9.30mm) - - Ungapped - - - 20.7 7.25 - 150.0 Uncoated 0.120" (3.05mm) - -
    2943778301

    2943778301

    FERRITE

    Fair-Rite Products Corp.

    1,419
    RFQ
    2943778301

    Datasheet

    - Bulk Active - - - - - - - - - - - - - - - - - -
    0R43618EC

    0R43618EC

    E-SHAPE CORE

    Magnetics, a division of Spang & Co.

    1,689
    RFQ
    0R43618EC

    Datasheet

    - Bulk Active Planar E - R - 6.678 µH - Ungapped - 2300 - 42.4 135.0 135.0 5750.0 Uncoated 0.250" (6.35mm) 1.400" (35.56mm) 0.701" (17.80mm)
    C055040A2

    C055040A2

    FERRITE CORE TOROID 66NH MPP

    Magnetics, a division of Spang & Co.

    8,484
    RFQ
    C055040A2

    Datasheet

    - Bulk Active Toroid - MPP 0.400" (10.16mm) 66 nH ±8% Ungapped - 125 - 23.0 9.57 - 220.0 Coated 0.156" (3.96mm) - -
    0P44125UC

    0P44125UC

    U-CORE

    Magnetics, a division of Spang & Co.

    3,866
    RFQ
    0P44125UC

    Datasheet

    - Bulk Active UR - P - 1.747 µH - Ungapped - 2500 - 134.4 113.1 105.4 15196.0 Uncoated 1.000" (25.40mm) 1.645" (41.78mm) 0.470" (11.94mm)
    ZJ41809TC

    ZJ41809TC

    TOROID GREY COATED

    Magnetics, a division of Spang & Co.

    1,418
    RFQ
    ZJ41809TC

    Datasheet

    - Bulk Active Toroid - J 0.756" (19.20mm) 6.115 µH ±20% Ungapped - 5000 - 41.4 43.1 - 1783.0 Epoxy 0.429" (10.90mm) - -
    B65517W0000R087

    B65517W0000R087

    FERRITE CORE N87

    EPCOS - TDK Electronics

    1,821
    RFQ
    B65517W0000R087

    Datasheet

    P9/5 Box Active - P 9 x 5 N87 0.366" (9.30mm) - - - - 2200 1.13 13.4 11.9 9.3 159.0 Uncoated 0.106" (2.70mm) - -
    B66283U0250K187

    B66283U0250K187

    FERRITE CORE

    EPCOS - TDK Electronics

    7,544
    RFQ
    B66283U0250K187

    Datasheet

    ELP18/4/10 Box Active - - - - - - Gapped - - - - - - - - - - -
    2943777741

    2943777741

    FERRITE

    Fair-Rite Products Corp.

    1,390
    RFQ
    2943777741

    Datasheet

    - Bulk Active - - - - - - - - - - - - - - - - - -
    0F44020EC

    0F44020EC

    FERRITE CORE E 6UH

    Magnetics, a division of Spang & Co.

    1,488
    RFQ
    0F44020EC

    Datasheet

    - Bulk Active E - - - 6 µH ±25% Ungapped - 3000 - 97.0 178.0 175.0 17300.0 Uncoated 0.827" (21.00mm) 1.693" (43.00mm) 0.598" (15.20mm)
    B66358G1000X197

    B66358G1000X197

    FERRITE CORE ETD N97

    EPCOS - TDK Electronics

    593
    RFQ
    B66358G1000X197

    Datasheet

    ETD29/16/10 Box Active ETD ETD 29 x 16 x 10 N97 - - - Gapped - 2300 0.93 70.4 76.0 71.0 5350.0 Uncoated 0.630" (16.00mm) 1.205" (30.60mm) 0.386" (9.80mm)
    B66483K0000X149

    B66483K0000X149

    FERRITE CORE I 3UH N49

    EPCOS - TDK Electronics

    1,173
    RFQ
    B66483K0000X149

    Datasheet

    B66483K Bulk Active I I 20 x 2.3 x 14 N49 - 3 µH ±25% Ungapped 1260.0 - - 25.1 59.8 55.0 1500.0 Uncoated 0.091" (2.30mm) 0.787" (20.00mm) 0.551" (14.00mm)
    B65885A0000R087

    B65885A0000R087

    FERRITE CORE PQ 2.35UH N87 2PCS

    EPCOS - TDK Electronics

    1,176
    RFQ
    B65885A0000R087

    Datasheet

    PQ16/11.6 Box Active PQ PQ 16 x 11.6 N87 - 2.35 µH -20%, +30% Ungapped 1200.0 2200 0.641 27.0 42.1 38.5 1136.0 Uncoated 0.228" (5.80mm) 0.646" (16.40mm) 0.441" (11.20mm)
    ZJ42106TC

    ZJ42106TC

    FERRITE CORE TOROID 2.8UH

    Magnetics, a division of Spang & Co.

    2,224
    RFQ
    ZJ42106TC

    Datasheet

    - Bulk Active Toroid - - 0.840" (21.34mm) 2.8 µH ±20% Ungapped - 5000 - 50.3 24.6 - 1238.0 Epoxy 0.272" (6.91mm) - -
    0W42212TC

    0W42212TC

    TOROID UNCOATED

    Magnetics, a division of Spang & Co.

    1,175
    RFQ
    0W42212TC

    Datasheet

    - Bulk Active Toroid - W 0.870" (22.10mm) 12.08 µH ±30% Ungapped - 10000 - 54.1 52.3 - 2834.0 Uncoated 0.500" (12.70mm) - -
    2661800102

    2661800102

    61 SHIELD BEAD

    Fair-Rite Products Corp.

    5,940
    RFQ
    2661800102

    Datasheet

    - Bag Active Toroid - 61 0.224" (5.70mm) - - Ungapped - - - 13.0 2.06 - 26.38 Uncoated 0.055" (1.40mm) - -
    2644801102

    2644801102

    44 ROUND SUPPRESSION CORE

    Fair-Rite Products Corp.

    3,116
    RFQ
    2644801102

    Datasheet

    - Bag Active Toroid - 44 0.490" (12.45mm) - - Ungapped - - - 31.2 15.0 - 466.0 Uncoated 0.240" (6.10mm) - -
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