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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
    RM12/I-3C90-A400

    RM12/I-3C90-A400

    Ferrite Misc

    Ferroxcube

    2,076
    RFQ
    RM12/I-3C90-A400

    Datasheet

    - Bulk Active RM RM 12 3C90 - 400 nH ±5% Gapped 123.0 - 0.388 56.6 146.0 125.0 8340.0 Uncoated 0.482" (12.25mm) 1.472" (37.40mm) 0.634" (16.10mm)
    RM12/I-3C94-A250

    RM12/I-3C94-A250

    Ferrite Misc

    Ferroxcube

    4,638
    RFQ
    RM12/I-3C94-A250

    Datasheet

    RM12/I Bulk Active RM RM 12 3C94 - 250 nH ±3% Gapped 77.0 - 0.388 56.6 146.0 125.0 8340.0 Uncoated 0.482" (12.25mm) 1.472" (37.40mm) 0.634" (16.10mm)
    RM12/I-3C94-A160

    RM12/I-3C94-A160

    Ferrite Misc

    Ferroxcube

    3,963
    RFQ
    RM12/I-3C94-A160

    Datasheet

    RM12/I Bulk Active RM RM 12 3C94 - 160 nH ±3% Gapped 49.0 - 0.388 56.6 146.0 125.0 8340.0 Uncoated 0.482" (12.25mm) 1.472" (37.40mm) 0.634" (16.10mm)
    E55/28/25-3C95-G1000

    E55/28/25-3C95-G1000

    FERRITE CORE E 3C95

    Ferroxcube

    4,904
    RFQ
    E55/28/25-3C95-G1000

    Datasheet

    - Bulk Active E E 55 x 28 x 25 3C95 - - - - - - - - - - - Uncoated 1.083" (27.50mm) 2.213" (56.20mm) 0.984" (25.00mm)
    E55/28/25-3C95-G500

    E55/28/25-3C95-G500

    FERRITE CORE E 3C95

    Ferroxcube

    3,628
    RFQ
    E55/28/25-3C95-G500

    Datasheet

    - Bulk Active E E 55 x 28 x 25 3C95 - - - - - - - - - - - Uncoated 1.083" (27.50mm) 2.213" (56.20mm) 0.984" (25.00mm)
    E58/11/38-3C92

    E58/11/38-3C92

    FERRITE CORE E 3C92

    Ferroxcube

    2,429
    RFQ
    E58/11/38-3C92

    Datasheet

    - Bulk Active E E 58 x 11 x 38 3C92 - - - - - - - - - - - Uncoated 0.413" (10.50mm) 2.299" (58.40mm) 1.500" (38.10mm)
    SP43622UG

    SP43622UG

    ROUND-SLAB CORE W/HOLE

    Magnetics, a division of Spang & Co.

    4,263
    RFQ
    SP43622UG

    Datasheet

    - Bulk Active PS - P 1.402" (35.61mm) 7.58 µH - Ungapped - 2500 - 55.4 179.5 140.0 9944.0 Uncoated 0.429" (10.90mm) - -
    0F43622UG

    0F43622UG

    POT CORE

    Magnetics, a division of Spang & Co.

    1,026
    RFQ
    0F43622UG

    Datasheet

    - Bulk Active P - F 1.397" (35.50mm) 10.2 µH - Ungapped - 3000 - 53.2 202.0 172.0 10700.0 Uncoated 0.431" (10.95mm) - -
    0077442A7

    0077442A7

    KOOL MU 090 PERM BLACK 438 SIZE

    Magnetics, a division of Spang & Co.

    3,343
    RFQ
    0077442A7

    Datasheet

    - Bulk Active Toroid - Kool Mu 1.840" (46.74mm) 202 nH ±8% Ungapped - 90 - 107.0 199.0 - 21300.0 Uncoated 0.710" (18.03mm) - -
    0077441A7

    0077441A7

    KOOL MU 014 PERM BLACK 438 SIZE

    Magnetics, a division of Spang & Co.

    4,638
    RFQ
    0077441A7

    Datasheet

    - Bulk Active Toroid - Kool Mu 1.840" (46.74mm) 32 nH ±8% Ungapped - 14 - 107.4 198.0 - 21300.0 Uncoated 0.710" (18.03mm) - -
    0077431A7

    0077431A7

    KOOL MU 040 PERM BLACK 438 SIZE

    Magnetics, a division of Spang & Co.

    4,160
    RFQ
    0077431A7

    Datasheet

    - Bulk Active Toroid - Kool Mu 1.840" (46.74mm) 90 nH ±8% Ungapped - 40 - 107.0 199.0 - 21300.0 Uncoated 0.710" (18.03mm) - -
    B65651D0000R033

    B65651D0000R033

    FERRITE CORE M33

    EPCOS - TDK Electronics

    1,888
    RFQ
    B65651D0000R033

    Datasheet

    P18/11 Box Active - P 18 x 11 M33 0.724" (18.40mm) - - - - 750 0.6 25.9 43.0 - 1114.0 Uncoated 0.209" (5.30mm) - -
    E55/28/25-3C92-G2000

    E55/28/25-3C92-G2000

    FERRITE CORE E 3C92

    Ferroxcube

    3,959
    RFQ
    E55/28/25-3C92-G2000

    Datasheet

    - Bulk Active E E 55 x 28 x 25 3C92 - - - - - - - - - - - Uncoated 1.083" (27.50mm) 2.213" (56.20mm) 0.984" (25.00mm)
    P26/16-3C91-E160

    P26/16-3C91-E160

    Ferrite Misc

    Ferroxcube

    1,132
    RFQ
    P26/16-3C91-E160

    Datasheet

    - Bulk Active P P 26 x 16 3C91 1.004" (25.50mm) 160 nH ±3% Gapped 51.0 - 0.4 37.6 93.9 77.4 3530.0 Uncoated 0.317" (8.05mm) - -
    B66329G0000X195

    B66329G0000X195

    FERRITE CORE E N95 1PC

    EPCOS - TDK Electronics

    4,783
    RFQ
    B66329G0000X195

    Datasheet

    E42/21/20 Box Active E E 42 x 21 x 20 N95 - - - Ungapped - - - - - - - Uncoated 0.835" (21.20mm) 1.654" (42.00mm) 0.787" (20.00mm)
    E58/11/38-3C96

    E58/11/38-3C96

    FERRITE CORE E 3C96

    Ferroxcube

    3,521
    RFQ
    E58/11/38-3C96

    Datasheet

    - Bulk Active E E 58 x 11 x 38 3C96 - - - - - - - - - - - Uncoated 0.413" (10.50mm) 2.299" (58.40mm) 1.500" (38.10mm)
    0P44715TC

    0P44715TC

    TOROID UNCOATED

    Magnetics, a division of Spang & Co.

    2,257
    RFQ
    0P44715TC

    Datasheet

    - Bulk Active Toroid - P 1.846" (46.90mm) 4.03 µH ±25% Ungapped - 2500 - 110.4 145.5 - 16063.0 Uncoated 0.591" (15.00mm) - -
    ZP44920TC

    ZP44920TC

    TOROID GREY COATED

    Magnetics, a division of Spang & Co.

    3,724
    RFQ
    ZP44920TC

    Datasheet

    - Bulk Active Toroid - P 1.977" (50.22mm) 3.032 µH ±25% Ungapped - 2500 - 123.2 133.7 - 16466.0 Epoxy 0.655" (16.64mm) - -
    5975022021

    5975022021

    FERRITE CORE TOROID 7.77UH 75

    Fair-Rite Products Corp.

    2,847
    RFQ
    5975022021

    Datasheet

    - Box Active Toroid - 75 1.984" (50.40mm) 7.77 µH -30%, +25% Ungapped - 5000 0.886 127.0 144.0 - 18270.0 Plastic 0.787" (20.00mm) - -
    B66335G0125X187

    B66335G0125X187

    FERRITE CORE E N87

    EPCOS - TDK Electronics

    2,063
    RFQ
    B66335G0125X187

    Datasheet

    E55/28/21 Box Active E E 55 x 28 x 21 N87 - - - Gapped - 2200 0.35 124.0 354.0 351.0 43900.0 Uncoated 1.094" (27.80mm) 2.165" (55.00mm) 0.827" (21.00mm)
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