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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
    B66375G0500X187

    B66375G0500X187

    FERRITE CORE E N87

    EPCOS - TDK Electronics

    1,997
    RFQ
    B66375G0500X187

    Datasheet

    E80/38/20 Box Active E E 80 x 38 x 20 N87 - - - Gapped - 2200 0.47 184.0 390.0 388.0 71800.0 Uncoated 1.516" (38.50mm) 3.150" (80.00mm) 0.795" (20.20mm)
    0078615A7

    0078615A7

    FERRITE CORE TOROID 82NH XFLUX

    Magnetics, a division of Spang & Co.

    1,372
    RFQ
    0078615A7

    Datasheet

    - Bulk Active Toroid - XFlux 2.440" (61.98mm) 82 nH ±8% Ungapped - 26 - 144.0 360.0 - 51800.0 Coated 0.984" (25.00mm) - -
    0077912A7

    0077912A7

    FERRITE CORE TOROID 57NH KOOL MU

    Magnetics, a division of Spang & Co.

    100
    RFQ
    0077912A7

    Datasheet

    - Bulk Active Toroid - Kool Mu 3.063" (77.80mm) 57 nH ±8% Ungapped - 40 - 196.0 221.0 - 43400.0 Coated 0.625" (15.88mm) - -
    0078912A7

    0078912A7

    FERRITE CORE TOROID 57NH XFLUX

    Magnetics, a division of Spang & Co.

    1,408
    RFQ
    0078912A7

    Datasheet

    - Bulk Active Toroid - XFlux 3.108" (78.94mm) 57 nH ±8% Ungapped - 40 - 196.0 221.0 - 43400.0 Coated 0.670" (17.02mm) - -
    0078072A7

    0078072A7

    FERRITE CORE TOROID 143NH XFLUX

    Magnetics, a division of Spang & Co.

    3,516
    RFQ
    0078072A7

    Datasheet

    - Bulk Active Toroid - XFlux 2.677" (68.00mm) 143 nH ±8% Ungapped - 60 - 158.0 314.0 - 49700.0 Coated 0.787" (20.00mm) - -
    00K9541B026

    00K9541B026

    FERRITE CORE I KOOL MU

    Magnetics, a division of Spang & Co.

    2,397
    RFQ
    00K9541B026

    Datasheet

    - Bulk Active I - Kool Mu - - - Ungapped - 26 - - - - 107200.0 Uncoated 1.614" (41.00mm) 3.740" (95.00mm) 1.083" (27.50mm)
    0070189A7

    0070189A7

    KOOL MU ULTRA 040 PERM BLACK

    Magnetics, a division of Spang & Co.

    4,952
    RFQ
    0070189A7

    Datasheet

    - Tray Active - - - - - - - - - - - - - - - - - -
    0074615A7

    0074615A7

    X FLUX ULTRA 026 PERM BROWN 620

    Magnetics, a division of Spang & Co.

    4,874
    RFQ
    0074615A7

    Datasheet

    - Bulk Active Toroid - X FLUX ULTRA 2.440" (61.98mm) 82 nH ±8% Ungapped - 26 - 144.0 360.0 - 51800.0 Uncoated 0.984" (25.00mm) - -
    0078616A7

    0078616A7

    FERRITE CORE TOROID 126NH XFLUX

    Magnetics, a division of Spang & Co.

    2,697
    RFQ
    0078616A7

    Datasheet

    - Bulk Active Toroid - XFlux 2.484" (63.09mm) 126 nH ±8% Ungapped - 40 - 144.0 360.0 - 51800.0 Coated 1.020" (25.91mm) - -
    0070431A7

    0070431A7

    KOOL MU ULTRA 040 PERM BLACK

    Magnetics, a division of Spang & Co.

    1,573
    RFQ
    0070431A7

    Datasheet

    - Tray Active Toroid - Kool Mµ 1.840" (46.74mm) 93 nH ±8% Ungapped - 40 - 107.0 198.0 - 21300.0 Uncoated 0.710" (18.03mm) - -
    0070440A7

    0070440A7

    KOOL MU ULTRA 026 PERM BLACK

    Magnetics, a division of Spang & Co.

    2,164
    RFQ
    0070440A7

    Datasheet

    - Tray Active Toroid - Kool Mµ 1.840" (46.74mm) 60 nH ±8% Ungapped - 26 - 107.0 198.0 - 21300.0 Uncoated 0.710" (18.03mm) - -
    0074072A7

    0074072A7

    X FLUX ULTRA 060 PERM BROWN 070

    Magnetics, a division of Spang & Co.

    3,267
    RFQ
    0074072A7

    Datasheet

    - Bulk Active Toroid - X FLUX ULTRA 2.677" (68.00mm) 150 nH ±8% Ungapped - 60 - 158.0 314.0 - 49700.0 Uncoated 0.787" (20.00mm) - -
    B64290L0043X038

    B64290L0043X038

    FERRITE CORE TOROID T38

    EPCOS - TDK Electronics

    2,795
    RFQ
    B64290L0043X038

    Datasheet

    TX58.3/32/18 Box Active Toroid - T38 - - - Gapped - 10000 - - - - - Epoxy - - -
    0079908A7

    0079908A7

    FERRITE CORE TOROID 37NH KOOL MU

    Magnetics, a division of Spang & Co.

    2,744
    RFQ
    0079908A7

    Datasheet

    - Bulk Active Toroid - Kool Mu MAX 3.108" (78.94mm) 37 nH ±8% Ungapped - 26 - 196.0 221.0 - 43400.0 Coated 0.670" (17.02mm) - -
    MACC0010

    MACC0010

    FERRITE CORE U AMORPHOUS

    Magnetics, a division of Spang & Co.

    2,129
    RFQ
    MACC0010

    Datasheet

    - Bulk Active U - Amorphous - - - Ungapped - - - 154.0 180.0 - - Uncoated 1.240" (31.50mm) 1.398" (35.50mm) 0.787" (20.00mm)
    0078777A7

    0078777A7

    FERRITE CORE TOROID 205NH XFLUX

    Magnetics, a division of Spang & Co.

    1,613
    RFQ
    0078777A7

    Datasheet

    - Bulk Active Toroid - XFlux 3.108" (78.94mm) 205 nH ±8% Ungapped - 60 - 177.2 492.0 - 81500.0 Coated 1.057" (26.85mm) - -
    0R49925IC

    0R49925IC

    I CORE

    Magnetics, a division of Spang & Co.

    3,861
    RFQ
    0R49925IC

    Datasheet

    - Bulk Active I - R - 5.707 µH - Ungapped - 2300 - 245.0 645.0 645.0 158000.0 Uncoated 1.000" (25.40mm) 4.000" (101.60mm) 1.000" (25.40mm)
    0070191A7

    0070191A7

    KOOL MU ULTRA 026 PERM BLACK

    Magnetics, a division of Spang & Co.

    1,790
    RFQ
    0070191A7

    Datasheet

    - Tray Active Toroid - Kool Mµ 2.250" (57.15mm) 60 nH ±8% Ungapped - 26 - 125.0 229.0 - 28600.0 Uncoated 0.600" (15.24mm) - -
    0070192A7

    0070192A7

    KOOL MU ULTRA 060 PERM BLACK

    Magnetics, a division of Spang & Co.

    2,868
    RFQ
    0070192A7

    Datasheet

    - Tray Active Toroid - Kool Mµ 2.250" (57.15mm) 138 nH ±8% Ungapped - 60 - 125.0 229.0 - 28600.0 Uncoated 0.600" (15.24mm) - -
    0076074A7

    0076074A7

    FERRITE CORE TOROID 65NH HIGH FL

    Magnetics, a division of Spang & Co.

    1,425
    RFQ
    0076074A7

    Datasheet

    - Bulk Active Toroid - High Flux 2.677" (68.00mm) 65 nH ±8% Ungapped - 26 - 158.0 314.0 - 49700.0 Coated 0.787" (20.00mm) - -
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