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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
    9598495402

    9598495402

    FERRITE CORE EER SET

    Fair-Rite Products Corp.

    128
    RFQ
    9598495402

    Datasheet

    - Bulk Active EER - - - - ±25% Ungapped - 2400 48.0 118.0 245.0 232.0 29020.0 Uncoated 1.063" (27.00mm) - -
    C055204A2

    C055204A2

    MPP 160 PERM GREY 206 SIZE

    Magnetics, a division of Spang & Co.

    760
    RFQ
    C055204A2

    Datasheet

    - Bulk Active Toroid - MPP 0.830" (21.08mm) 87 nH ±8% Ungapped - 160 - 50.9 22.1 - 1120.0 Coated 0.280" (7.11mm) - -
    B64290L0048X038

    B64290L0048X038

    FERRITE CORE TOROID T38

    EPCOS - TDK Electronics

    3,230
    RFQ
    B64290L0048X038

    Datasheet

    TX34/20.5/12.5 Bulk Active Toroid R 34.0 × 20.5 × 12.5 T38 - - ±30% Ungapped - 10000 0.99 82.06 82.6 - 6778.0 Epoxy - - -
    C055150A2

    C055150A2

    FERRITE CORE TOROID 35NH MPP

    Magnetics, a division of Spang & Co.

    2,274
    RFQ
    C055150A2

    Datasheet

    - Bulk Active Toroid - MPP 0.180" (4.57mm) 35 nH ±8% Ungapped - 125 - 9.42 2.11 - 19.0 Coated 0.125" (3.18mm) - -
    0077440A7

    0077440A7

    FERRITE CORE TOROID 59NH

    Magnetics, a division of Spang & Co.

    113
    RFQ
    0077440A7

    Datasheet

    - Bulk Active Toroid - - 1.875" (47.63mm) 59 nH ±8% Ungapped - 26 - 107.0 199.0 - 21300.0 Coated 0.710" (18.03mm) - -
    0078391A7

    0078391A7

    FERRITE CORE TOROID 81NH XFLUX

    Magnetics, a division of Spang & Co.

    343
    RFQ
    0078391A7

    Datasheet

    - Bulk Active Toroid - XFlux 1.580" (40.13mm) 81 nH ±8% Ungapped - 40 - 94.9 153.0 - 14600.0 Coated 0.669" (17.00mm) - -
    0078083A7

    0078083A7

    FERRITE CORE TOROID 81NH XFLUX

    Magnetics, a division of Spang & Co.

    270
    RFQ
    0078083A7

    Datasheet

    - Bulk Active Toroid - XFlux 1.605" (40.77mm) 81 nH ±8% Ungapped - 60 - 98.4 107.0 - 10600.0 Coated 0.605" (15.37mm) - -
    B65661D0000Y038

    B65661D0000Y038

    FERRITE CORE P 16UH T38 2PCS

    EPCOS - TDK Electronics

    1,196
    RFQ
    B65661D0000Y038

    Datasheet

    P22/13 Box Active P (Pot Core) P 22 x 13 T38 0.866" (22.00mm) 16 µH -30%, +40% Ungapped 5820.0 10000 0.5 31.6 63.0 - 1990.0 Uncoated 0.268" (6.80mm) - -
    0055123A2

    0055123A2

    FERRITE CORE TOROID 8NH MPP

    Magnetics, a division of Spang & Co.

    940
    RFQ
    0055123A2

    Datasheet

    - Bulk Active Toroid - MPP 0.680" (17.27mm) 8 nH ±8% Ungapped - 14 - 41.2 19.2 - 791.0 Coated 0.280" (7.11mm) - -
    B66335G1000X127

    B66335G1000X127

    FERRITE CORE E N27 1PC

    EPCOS - TDK Electronics

    149
    RFQ
    B66335G1000X127

    Datasheet

    E55/28/21 Box Active E E 55 x 28 x 21 N27 - - - Gapped - - - - - - - Uncoated 1.094" (27.80mm) 2.165" (55.00mm) 0.827" (21.00mm)
    0074076A7

    0074076A7

    X FLUX ULTRA 060 PERM BROWN 324

    Magnetics, a division of Spang & Co.

    429
    RFQ
    0074076A7

    Datasheet

    - Bulk Active Toroid - X FLUX ULTRA 1.410" (35.81mm) 57 nH ±8% Ungapped - 60 - 89.7 67.8 - 6080.0 Uncoated 0.412" (10.46mm) - -
    C055045A2

    C055045A2

    MPP 300 PERM GREY 050 SIZE

    Magnetics, a division of Spang & Co.

    165
    RFQ
    C055045A2

    Datasheet

    - Bulk Active Toroid - MPP 0.530" (13.45mm) 134 nH ±8% Ungapped - 300 - 31.2 10.9 - 340.0 Coated 0.217" (5.51mm) - -
    9598494902

    9598494902

    FERRITE CORE ETD SET

    Fair-Rite Products Corp.

    324
    RFQ
    9598494902

    Datasheet

    - Bulk Active ETD - - - - ±25% Ungapped - 2400 53.0 114.4 213.5 209.0 24420.0 Uncoated - - -
    B64290A0674X830

    B64290A0674X830

    FERRITE CORE TOROID 5.75UH N30

    EPCOS - TDK Electronics

    200
    RFQ
    B64290A0674X830

    Datasheet

    T36/23/15 Box Active Toroid R 36 x 23 x 15 N30 1.417" (36.00mm) 5.75 µH ±25% Ungapped - 4300 0.94 89.65 95.89 - 8597.0 Uncoated 0.591" (15.00mm) - -
    0T45959EC

    0T45959EC

    FERRITE CORE ETD 7.34UH

    Magnetics, a division of Spang & Co.

    361
    RFQ
    0T45959EC

    Datasheet

    - Bulk Active ETD - - - 7.34 µH ±25% Ungapped - 3000 - 139.0 368.0 - 51500.0 Uncoated 1.220" (31.00mm) 2.354" (59.80mm) 0.852" (21.65mm)
    0V43019UG

    0V43019UG

    FERRITE CORE P 7UH

    Magnetics, a division of Spang & Co.

    240
    RFQ
    0V43019UG

    Datasheet

    - Bulk Active P - - 1.181" (30.00mm) 7 µH ±25% Ungapped - 2300 - 45.2 137.0 - 6190.0 Uncoated 0.744" (18.90mm) - -
    0078091A7

    0078091A7

    FERRITE CORE TOROID 37NH XFLUX

    Magnetics, a division of Spang & Co.

    480
    RFQ
    0078091A7

    Datasheet

    - Bulk Active Toroid - XFlux 1.875" (47.63mm) 37 nH ±8% Ungapped - 26 - 116.0 134.0 - 15600.0 Coated 0.635" (16.13mm) - -
    0070936A7

    0070936A7

    KOOL MU ULTRA 040 PERM BLACK

    Magnetics, a division of Spang & Co.

    342
    RFQ
    0070936A7

    Datasheet

    - Tray Active Toroid - Kool Mµ 1.060" (26.92mm) 52 nH ±8% Ungapped - 40 - 63.5 65.4 - 4150.0 Uncoated 0.440" (11.18mm) - -
    0070932A7

    0070932A7

    KOOL MU ULTRA 026 PERM BLACK

    Magnetics, a division of Spang & Co.

    294
    RFQ
    0070932A7

    Datasheet

    - Tray Active Toroid - Kool Mµ 1.060" (26.92mm) 34 nH ±8% Ungapped - 26 - 63.5 65.4 - 4150.0 Uncoated 0.440" (11.18mm) - -
    B66395G0000X127

    B66395G0000X127

    FERRITE CORE ETD N27 1PC

    EPCOS - TDK Electronics

    530
    RFQ
    B66395G0000X127

    Datasheet

    ETD54/28/19 Box Active ETD ETD 54 x 28 x 19 N27 - - - Ungapped - - - - - - - Uncoated 1.094" (27.80mm) 2.156" (54.50mm) 0.760" (19.30mm)
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