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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
    ETD44/22/15-3F36-G1000

    ETD44/22/15-3F36-G1000

    FERRITE CORE ETD 3F36

    Ferroxcube

    2,472
    RFQ
    ETD44/22/15-3F36-G1000

    Datasheet

    - Bulk Active ETD ETD 44 x 22 x 15 3F36 - - - - - - - - - - - Uncoated 0.878" (22.30mm) 1.772" (45.00mm) 0.598" (15.20mm)
    ETD44/22/15-3F36-G500

    ETD44/22/15-3F36-G500

    FERRITE CORE ETD 3F36

    Ferroxcube

    4,052
    RFQ
    ETD44/22/15-3F36-G500

    Datasheet

    - Bulk Active ETD ETD 44 x 22 x 15 3F36 - - - - - - - - - - - Uncoated 0.878" (22.30mm) 1.772" (45.00mm) 0.598" (15.20mm)
    B66481P0000X192

    B66481P0000X192

    FERRITE CORE I N92 1PC

    EPCOS - TDK Electronics

    3,845
    RFQ
    B66481P0000X192

    Datasheet

    I25/2/18 Box Active I I 25 x 2 N92 - - - Ungapped - - - - - - - Uncoated 0.091" (2.30mm) 0.984" (25.00mm) 0.709" (18.00mm)
    B64290A0631X087

    B64290A0631X087

    FERRITE CORE TOROID

    EPCOS - TDK Electronics

    2,068
    RFQ
    B64290A0631X087

    Datasheet

    T20/10/10 Box Active Toroid - - - - - Ungapped - - - - - - - Uncoated - - -
    B65803J0160A087

    B65803J0160A087

    FERRITE CORE RM N87

    EPCOS - TDK Electronics

    1,808
    RFQ
    B65803J0160A087

    Datasheet

    - Box Not For New Designs RM RM 4 N87 - - - - - 2200 1.7 22.0 13.0 11.3 286.0 Uncoated 0.413" (10.50mm) 0.433" (11.00mm) 0.181" (4.60mm)
    B65803J0040A087

    B65803J0040A087

    FERRITE CORE RM N87

    EPCOS - TDK Electronics

    1,838
    RFQ
    B65803J0040A087

    Datasheet

    - Box Not For New Designs RM RM 4 N87 - - - - - 2200 1.7 22.0 13.0 11.3 286.0 Uncoated 0.413" (10.50mm) 0.433" (11.00mm) 0.181" (4.60mm)
    B65807J0160A041

    B65807J0160A041

    FERRITE CORE RM N41

    EPCOS - TDK Electronics

    2,763
    RFQ
    B65807J0160A041

    Datasheet

    RM6 Box Active RM RM 6 N41 - - - Gapped - 2800 0.78 28.6 36.6 31.0 1050.0 Uncoated 0.246" (6.25mm) 0.701" (17.90mm) 0.323" (8.20mm)
    B65807J0315J041

    B65807J0315J041

    FERRITE CORE RM N41

    EPCOS - TDK Electronics

    3,302
    RFQ
    B65807J0315J041

    Datasheet

    RM6 Box Active RM RM 6 N41 - - - Gapped - 2800 0.78 28.6 36.6 31.0 1050.0 Uncoated 0.246" (6.25mm) 0.701" (17.90mm) 0.323" (8.20mm)
    B65807J0630J041

    B65807J0630J041

    FERRITE CORE RM N41

    EPCOS - TDK Electronics

    3,222
    RFQ
    B65807J0630J041

    Datasheet

    RM6 Box Active RM RM 6 N41 - - - Gapped - 2800 0.78 28.6 36.6 31.0 1050.0 Uncoated 0.246" (6.25mm) 0.701" (17.90mm) 0.323" (8.20mm)
    E42/21/20-3C91

    E42/21/20-3C91

    FERRITE CORE E 3C91

    Ferroxcube

    1,203
    RFQ
    E42/21/20-3C91

    Datasheet

    - Bulk Active E E 42 x 21 x 20 3C91 - - - - - - - - - - - Uncoated 0.827" (21.00mm) 1.693" (43.00mm) 0.787" (20.00mm)
    PLT38/25/2.7-3F36

    PLT38/25/2.7-3F36

    FERRITE CORE PLT 3F36

    Ferroxcube

    3,350
    RFQ
    PLT38/25/2.7-3F36

    Datasheet

    - Bulk Active PLT PLT 38 x 25 x 2.7 3F36 - - - - - - - - - - - Uncoated - - -
    E42/21/20-3C90

    E42/21/20-3C90

    Ferrite Misc

    Ferroxcube

    4,143
    RFQ
    E42/21/20-3C90

    Datasheet

    - Bulk Active E E 42 x 21 x 20 3C90 - 5 µH ±25% Ungapped 1660.0 - - 97.0 233.0 233.0 22700.0 Uncoated 0.827" (21.00mm) 1.693" (43.00mm) 0.787" (20.00mm)
    P11/7-3C90

    P11/7-3C90

    FERRITE CORE P 1.7UH 3C90 2PC

    Ferroxcube

    1,664
    RFQ
    P11/7-3C90

    Datasheet

    - Bulk Active P P 11 x 7 3C90 0.437" (11.10mm) 1.7 µH ±25% Ungapped 1300.0 - 0.956 15.5 16.2 13.2 251.0 Uncoated 0.256" (6.50mm) - -
    RM7/I-3F36-A160

    RM7/I-3F36-A160

    FERRITE CORE RM 160NH 3F36 2PC

    Ferroxcube

    2,894
    RFQ
    RM7/I-3F36-A160

    Datasheet

    - Bulk Active RM RM 7 3F36 - 160 nH ±3% Gapped 87.0 - 0.68 30.0 44.1 39.6 1325.0 Uncoated 0.528" (13.40mm) 0.799" (20.30mm) 0.677" (17.20mm)
    RM7/I-3F36-A250

    RM7/I-3F36-A250

    FERRITE CORE RM 250NH 3F36 2PC

    Ferroxcube

    4,476
    RFQ
    RM7/I-3F36-A250

    Datasheet

    - Bulk Active RM RM 7 3F36 - 250 nH ±3% Gapped 135.0 - 0.68 30.0 44.1 39.6 1325.0 Uncoated 0.528" (13.40mm) 0.799" (20.30mm) 0.677" (17.20mm)
    RM7/I-3F46-A160

    RM7/I-3F46-A160

    FERRITE CORE RM 160NH 3F46 2PC

    Ferroxcube

    4,697
    RFQ
    RM7/I-3F46-A160

    Datasheet

    - Bulk Active RM RM 7 3F46 - 160 nH ±3% Gapped 87.0 - 0.68 30.0 44.1 39.6 1325.0 Uncoated 0.528" (13.40mm) 0.799" (20.30mm) 0.677" (17.20mm)
    RM7/I-3F46-A250

    RM7/I-3F46-A250

    FERRITE CORE RM 250NH 3F46 2PC

    Ferroxcube

    1,061
    RFQ
    RM7/I-3F46-A250

    Datasheet

    - Bulk Active RM RM 7 3F46 - 250 nH ±3% Gapped 135.0 - 0.68 30.0 44.1 39.6 1325.0 Uncoated 0.528" (13.40mm) 0.799" (20.30mm) 0.677" (17.20mm)
    9598394002

    9598394002

    FERRITE CORE ETD SET

    Fair-Rite Products Corp.

    2,213
    RFQ
    9598394002

    Datasheet

    - Bulk Active ETD - - - - ±25% Ungapped - 2400 72.0 92.4 128.0 126.7 11850.0 Uncoated - - 0.500" (12.70mm)
    B65517W0000R045

    B65517W0000R045

    FERRITE CORE N45

    EPCOS - TDK Electronics

    2,882
    RFQ
    B65517W0000R045

    Datasheet

    P9/5 Box Active - P 9 x 5 N45 0.366" (9.30mm) - - - - 3800 1.13 13.4 11.9 9.3 159.0 Uncoated 0.106" (2.70mm) - -
    B65541D0250A048

    B65541D0250A048

    FERRITE CORE P 250NH N48 2PCS

    EPCOS - TDK Electronics

    2,771
    RFQ
    B65541D0250A048

    Datasheet

    P14/8 Box Active P (Pot Core) P 14 x 8 N48 0.563" (14.30mm) 250 nH ±3% Gapped 159.0 - 0.8 20.0 25.0 20.0 500.0 Uncoated 0.167" (4.25mm) - -
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