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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
    B66506K0000X197

    B66506K0000X197

    FERRITE CORE I 5.75UH N97

    EPCOS - TDK Electronics

    880
    RFQ
    B66506K0000X197

    Datasheet

    I30/2.7/20 Box Active I I 30 x 2.7 x 20 N97 - 5.75 µH ±25% Ungapped 1330.0 - 0.29 31.5 108.0 95.0 3400.0 Uncoated 0.106" (2.70mm) 1.181" (30.00mm) 0.787" (20.00mm)
    B66291G0000X149

    B66291G0000X149

    FERRITE CORE ELP N49 1PC

    EPCOS - TDK Electronics

    275
    RFQ
    B66291G0000X149

    Datasheet

    ELP43/10/28 Box Active ELP ELP 43 x 10 x 28 N49 - - - Ungapped - - - - - - - Uncoated 0.374" (9.50mm) 1.700" (43.20mm) 1.098" (27.90mm)
    PQ32/30-3C95

    PQ32/30-3C95

    FERRITE CORE PQ 3C95 2PC SET

    Ferroxcube

    1,771
    RFQ
    PQ32/30-3C95

    Datasheet

    - Bulk Active PQ PQ 32 x 30 3C95 - - - - - - - - - - - Uncoated 1.193" (30.30mm) 1.299" (33.00mm) 0.866" (22.00mm)
    B66289G0000X149

    B66289G0000X149

    FERRITE CORE ELP N49 1PC

    EPCOS - TDK Electronics

    180
    RFQ
    B66289G0000X149

    Datasheet

    ELP38/8/25 Box Active ELP ELP 38 x 8 x 25 N49 - - - Ungapped - - - - - - - Uncoated 0.324" (8.25mm) 1.500" (38.10mm) 1.000" (25.40mm)
    C055351A2

    C055351A2

    FERRITE CORE TOROID 51NH MPP

    Magnetics, a division of Spang & Co.

    418
    RFQ
    C055351A2

    Datasheet

    - Bulk Active Toroid - MPP 0.928" (23.57mm) 51 nH ±8% Ungapped - 60 - 58.8 38.8 - 2280.0 Coated 0.350" (8.90mm) - -
    ZW43813TC

    ZW43813TC

    FERRITE CORE TOROID 16.7UH W

    Magnetics, a division of Spang & Co.

    520
    RFQ
    ZW43813TC

    Datasheet

    - Bulk Active Toroid - W 1.560" (39.63mm) 16.7 µH ±30% Ungapped - 10000 - 82.8 116.0 - 9576.0 Epoxy 0.530" (13.47mm) - -
    ZJ46113TC

    ZJ46113TC

    FERRITE CORE TOROID 6.845UH

    Magnetics, a division of Spang & Co.

    295
    RFQ
    ZJ46113TC

    Datasheet

    - Bulk Active Toroid - - 2.450" (62.23mm) 6.845 µH ±20% Ungapped - 5000 - 144.6 157.4 - 22774.0 Epoxy 0.528" (13.40mm) - -
    B64290L0659X087

    B64290L0659X087

    FERRITE CORE TOROID 3.59UH N87

    EPCOS - TDK Electronics

    338
    RFQ
    B64290L0659X087

    Datasheet

    TX40/24/16 Box Active Toroid - N87 1.646" (41.80mm) 3.59 µH ±25% Ungapped - 2200 0.77 96.29 125.3 125.3 12070.0 Epoxy 0.677" (17.20mm) - -
    C058378A2

    C058378A2

    FERRITE CORE TOROID 114NH HI FLX

    Magnetics, a division of Spang & Co.

    1,126
    RFQ
    C058378A2

    Datasheet

    - Bulk Active Toroid - High Flux 0.710" (18.03mm) 114 nH ±8% Ungapped - 160 - 41.4 23.2 - 960.0 Coated 0.280" (7.11mm) - -
    B65815E0250A041

    B65815E0250A041

    FERRITE CORE RM 250NH N41 2PCS

    EPCOS - TDK Electronics

    433
    RFQ
    B65815E0250A041

    Datasheet

    RM12 Box Active RM RM 12 N41 - 250 nH ±3% Gapped 78.0 2800 0.39 57.0 146.0 125.0 8320.0 Uncoated 0.484" (12.30mm) 1.480" (37.60mm) 0.634" (16.10mm)
    B65701W0000R087

    B65701W0000R087

    FERRITE CORE P 6.4UH N87 2PCS

    EPCOS - TDK Electronics

    554
    RFQ
    B65701W0000R087

    Datasheet

    P30/19 Box Active P (Pot Core) P 30 x 19 N87 1.200" (30.50mm) 6.4 µH -20%, +30% Ungapped 1620.0 2200 0.32 46.0 145.0 117.0 6670.0 Uncoated 0.374" (9.50mm) - -
    5968002701

    5968002701

    FERRITE CORE TOROID 68

    Fair-Rite Products Corp.

    1,348
    RFQ
    5968002701

    Datasheet

    - Bulk Active Toroid - 68 1.400" (35.56mm) - - Ungapped - 16 - 89.0 78.0 - 7000.0 Uncoated 0.500" (12.70mm) - -
    C055310A2

    C055310A2

    FERRITE CORE TOROID 90NH MPP

    Magnetics, a division of Spang & Co.

    1,005
    RFQ
    C055310A2

    Datasheet

    - Bulk Active Toroid - MPP 0.900" (22.86mm) 90 nH ±8% Ungapped - 125 - 56.7 31.7 - 1800.0 Coated 0.300" (7.60mm) - -
    E80/38/20-3C94

    E80/38/20-3C94

    FERRITE CORE E 3C94

    Ferroxcube

    734
    RFQ
    E80/38/20-3C94

    Datasheet

    - Bulk Active E E 80 x 38 x 20 3C94 - - - - - - - - - - - Uncoated 1.500" (38.10mm) 3.150" (80.00mm) 0.780" (19.80mm)
    E65/32/27-3C94

    E65/32/27-3C94

    FERRITE CORE E 3C94

    Ferroxcube

    11,744
    RFQ
    E65/32/27-3C94

    Datasheet

    - Bulk Active E E 65 x 32 x 27 3C94 - - - - - - - - - - - Uncoated 1.291" (32.80mm) 2.559" (65.00mm) 1.079" (27.40mm)
    0077716A7

    0077716A7

    FERRITE CORE TOROID 73NH KOOL MU

    Magnetics, a division of Spang & Co.

    158
    RFQ
    0077716A7

    Datasheet

    - Bulk Active Toroid - Kool Mu 2.000" (50.80mm) 73 nH ±8% Ungapped - 60 - 127.0 125.0 - 15900.0 Coated 0.530" (13.46mm) - -
    0077439A7

    0077439A7

    FERRITE CORE TOROID 135NH

    Magnetics, a division of Spang & Co.

    1,090
    RFQ
    0077439A7

    Datasheet

    - Bulk Active Toroid - - 1.875" (47.63mm) 135 nH ±8% Ungapped - 60 - 107.0 199.0 - 21300.0 Coated 0.745" (18.92mm) - -
    0077438A7

    0077438A7

    FERRITE CORE TOROID 281NH KOOLMU

    Magnetics, a division of Spang & Co.

    198
    RFQ
    0077438A7

    Datasheet

    - Bulk Active Toroid - Kool Mu 1.875" (47.63mm) 281 nH ±8% Ungapped - 125 - 107.0 199.0 - 21300.0 Coated 0.745" (18.92mm) - -
    E71/33/32-3C94

    E71/33/32-3C94

    FERRITE CORE E 3C94

    Ferroxcube

    194
    RFQ
    E71/33/32-3C94

    Datasheet

    - Bulk Active E E 71 x 33 x 32 3C94 - - - - - - - - - - - Uncoated 1.307" (33.20mm) 2.776" (70.50mm) 1.260" (32.00mm)
    TX42/26/13-3E12

    TX42/26/13-3E12

    FERRITE CORE TOROID

    Ferroxcube

    1,220
    RFQ
    TX42/26/13-3E12

    Datasheet

    - Bulk Active Toroid TX 42 x 26 x 13 - 1.697" (43.15mm) - ±30% Ungapped 12000.0 - 1.076 103.0 95.8 - 9860.0 Epoxy 0.531" (13.50mm) - -
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