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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
    B65525J0000R001

    B65525J0000R001

    FERRITE CORE ER K1

    EPCOS - TDK Electronics

    3,260
    RFQ
    B65525J0000R001

    Datasheet

    ER11/5 Box Active ER ER 11 x 5 K1 - - - - - 80 1.1 14.1 12.4 10.3 174.0 Uncoated 0.098" (2.50mm) 0.433" (11.00mm) 0.236" (6.00mm)
    B65541W0100A087

    B65541W0100A087

    FERRITE CORE N87

    EPCOS - TDK Electronics

    2,527
    RFQ
    B65541W0100A087

    Datasheet

    P14/8 Box Active - P 14 x 8 N87 0.563" (14.30mm) - - Gapped - 2200 0.73 21.0 28.7 23.6 603.0 Uncoated 0.167" (4.25mm) - -
    B65541W0160A087

    B65541W0160A087

    FERRITE CORE N87

    EPCOS - TDK Electronics

    1,856
    RFQ
    B65541W0160A087

    Datasheet

    P14/8 Box Active - P 14 x 8 N87 0.563" (14.30mm) - - Gapped - 2200 0.73 21.0 28.7 23.6 603.0 Uncoated 0.167" (4.25mm) - -
    B65541W0250A087

    B65541W0250A087

    FERRITE CORE N87

    EPCOS - TDK Electronics

    4,699
    RFQ
    B65541W0250A087

    Datasheet

    P14/8 Box Active - P 14 x 8 N87 0.563" (14.30mm) - - Gapped - 2200 0.73 21.0 28.7 23.6 603.0 Uncoated 0.167" (4.25mm) - -
    LPX4225E040L123

    LPX4225E040L123

    X FLUX 040 PERM LP 4225 SIZE

    Magnetics, a division of Spang & Co.

    4,926
    RFQ
    LPX4225E040L123

    Datasheet

    - Bulk Active EQ - XFlux - 156 nH ±8% Ungapped - 40 - 76.1 206.0 - 15680.0 Uncoated 0.484" (12.30mm) 1.654" (42.00mm) 0.984" (25.00mm)
    0W43007EC

    0W43007EC

    E CORE

    Magnetics, a division of Spang & Co.

    1,533
    RFQ
    0W43007EC

    Datasheet

    - Bulk Active E - W - 8.2 µH - Ungapped - 10000 - 67.0 60.0 49.0 4000.0 Uncoated 0.591" (15.00mm) 1.213" (30.80mm) 0.287" (7.30mm)
    0J41410UG

    0J41410UG

    Q-DESIGN CORE

    Magnetics, a division of Spang & Co.

    3,889
    RFQ
    0J41410UG

    Datasheet

    - Bulk Active P - J 0.565" (14.35mm) 6.867 µH - Ungapped - 5000 - 30.8 42.2 23.5 1302.0 Uncoated 0.197" (5.00mm) - -
    0T42620UG

    0T42620UG

    PQ CORE

    Magnetics, a division of Spang & Co.

    1,845
    RFQ
    0T42620UG

    Datasheet

    - Bulk Active PQ - T - 7.02 µH ±25% Ungapped - 3000 - 45.0 121.0 109.0 5470.0 Uncoated 0.398" (10.10mm) 1.075" (27.30mm) 0.748" (19.00mm)
    LPX4225E060L123

    LPX4225E060L123

    X FLUX 060 PERM LP 4225 SIZE

    Magnetics, a division of Spang & Co.

    4,560
    RFQ
    LPX4225E060L123

    Datasheet

    - Bulk Active EQ - XFlux - 218 nH ±8% Ungapped - 60 - 76.1 206.0 - 15680.0 Uncoated 0.484" (12.30mm) 1.654" (42.00mm) 0.984" (25.00mm)
    B66363G0600X187

    B66363G0600X187

    FERRITE CORE ETD N87

    EPCOS - TDK Electronics

    4,265
    RFQ
    B66363G0600X187

    Datasheet

    ETD39/20/13 Box Active ETD ETD 39 x 20 x 13 N87 - - - Gapped - 2200 0.74 92.2 125.0 123.0 11500.0 Uncoated 0.787" (20.00mm) 1.531" (38.90mm) 0.504" (12.80mm)
    B66363G0800X187

    B66363G0800X187

    FERRITE CORE ETD N87

    EPCOS - TDK Electronics

    2,645
    RFQ
    B66363G0800X187

    Datasheet

    ETD39/20/13 Box Active ETD ETD 39 x 20 x 13 N87 - - - Gapped - 2200 0.74 92.2 125.0 123.0 11500.0 Uncoated 0.787" (20.00mm) 1.531" (38.90mm) 0.504" (12.80mm)
    B66363G2000X187

    B66363G2000X187

    FERRITE CORE ETD N87

    EPCOS - TDK Electronics

    3,432
    RFQ
    B66363G2000X187

    Datasheet

    ETD39/20/13 Box Active ETD ETD 39 x 20 x 13 N87 - - - Gapped - 2200 0.74 92.2 125.0 123.0 11500.0 Uncoated 0.787" (20.00mm) 1.531" (38.90mm) 0.504" (12.80mm)
    B66363G2500X187

    B66363G2500X187

    FERRITE CORE ETD N87

    EPCOS - TDK Electronics

    4,223
    RFQ
    B66363G2500X187

    Datasheet

    ETD39/20/13 Box Active ETD ETD 39 x 20 x 13 N87 - - - Gapped - 2200 0.74 92.2 125.0 123.0 11500.0 Uncoated 0.787" (20.00mm) 1.531" (38.90mm) 0.504" (12.80mm)
    B66308A2001X

    B66308A2001X

    FERRITE CORE

    EPCOS - TDK Electronics

    1,820
    RFQ
    B66308A2001X

    Datasheet

    B66308 Tape & Reel (TR) Not For New Designs - - - - - - - - - - - - - - - - - -
    EQ38/8/25-3C96

    EQ38/8/25-3C96

    FERRITE CORE EQ 3C96

    Ferroxcube

    3,430
    RFQ
    EQ38/8/25-3C96

    Datasheet

    - Bulk Active EQ EQ 38 x 8 x 25 3C96 - - - - - - - - - - - Uncoated 0.315" (8.00mm) 1.500" (38.10mm) 1.000" (25.40mm)
    RM8-3F36

    RM8-3F36

    Ferrite Misc

    Ferroxcube

    2,693
    RFQ
    RM8-3F36

    Datasheet

    - Bulk Active - - - - - - - - - - - - - - - - - -
    B65803P0400L087

    B65803P0400L087

    FERRITE CORE RM N87

    EPCOS - TDK Electronics

    2,174
    RFQ
    B65803P0400L087

    Datasheet

    RM4/LP Box Active RM RM 4 LP N87 - - - Gapped - 2200 1.2 17.3 14.5 11.3 251.0 Uncoated 0.154" (3.90mm) 0.433" (11.00mm) 0.181" (4.60mm)
    RM8/I-3C96-A160

    RM8/I-3C96-A160

    FERRITE CORE RM 160NH 3C96 2PC

    Ferroxcube

    1,791
    RFQ
    RM8/I-3C96-A160

    Datasheet

    - Bulk Active RM RM 8 3C96 - 160 nH ±3% Gapped 78.0 - 0.44 38.4 63.0 55.4 2440.0 Uncoated 0.370" (9.40mm) 0.913" (23.20mm) 0.433" (11.00mm)
    RM8/I-3C96-A250

    RM8/I-3C96-A250

    FERRITE CORE RM 250NH 3C96 2PC

    Ferroxcube

    1,434
    RFQ
    RM8/I-3C96-A250

    Datasheet

    - Bulk Active RM RM 8 3C96 - 250 nH ±3% Gapped 120.0 - 0.44 38.4 63.0 55.4 2440.0 Uncoated 0.370" (9.40mm) 0.913" (23.20mm) 0.433" (11.00mm)
    RM8/I-3C96-A400

    RM8/I-3C96-A400

    FERRITE CORE RM 400NH 3C96 2PC

    Ferroxcube

    4,796
    RFQ
    RM8/I-3C96-A400

    Datasheet

    - Bulk Active RM RM 8 3C96 - 400 nH ±3% Gapped 194.0 - 0.44 38.4 63.0 55.4 2440.0 Uncoated 0.370" (9.40mm) 0.913" (23.20mm) 0.433" (11.00mm)
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