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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
    RM4/I-3F3

    RM4/I-3F3

    Ferrite Misc

    Ferroxcube

    1,145
    RFQ
    RM4/I-3F3

    Datasheet

    - Bulk Active RM RM 4 3F3 - 950 nH ±25% Ungapped 1280.0 - 1.69 23.3 13.8 11.5 322.0 Uncoated 0.205" (5.20mm) 0.433" (11.00mm) 0.181" (4.60mm)
    B66283U0315E149

    B66283U0315E149

    FERRITE CORE

    EPCOS - TDK Electronics

    4,371
    RFQ
    B66283U0315E149

    Datasheet

    ELP18/4/10 Box Active - - - - - - Gapped - - - - - - - - - - -
    B64290L0719X035

    B64290L0719X035

    FERRITE CORE TOROID 4UH T35

    EPCOS - TDK Electronics

    1,419
    RFQ
    B64290L0719X035

    Datasheet

    TX22/14/7.9 Box Active Toroid - T35 0.917" (23.30mm) 4 µH ±25% Ungapped - 5300 1.66 54.2 32.6 - 1763.0 Epoxy 0.354" (9.00mm) - -
    EFD10/5/3-3F36-A63-S

    EFD10/5/3-3F36-A63-S

    FERRITE CORE EFD 63NH 3F36 2PC

    Ferroxcube

    4,985
    RFQ
    EFD10/5/3-3F36-A63-S

    Datasheet

    - Bulk Active EFD EFD 10 x 5 x 3 3F36 - 63 nH ±8% Gapped 165.0 - 3.29 23.7 7.2 6.5 171.0 Uncoated 0.205" (5.20mm) 0.413" (10.50mm) 0.106" (2.70mm)
    EFD10/5/3-3F46-A63-S

    EFD10/5/3-3F46-A63-S

    FERRITE CORE EFD 63NH 3F46 2PC

    Ferroxcube

    3,670
    RFQ
    EFD10/5/3-3F46-A63-S

    Datasheet

    - Bulk Active EFD EFD 10 x 5 x 3 3F46 - 63 nH ±8% Gapped 165.0 - 3.29 23.7 7.2 6.5 171.0 Uncoated 0.205" (5.20mm) 0.413" (10.50mm) 0.106" (2.70mm)
    TX25/15/13-3E27

    TX25/15/13-3E27

    FERRITE CORE TOROID 3E+27

    Ferroxcube

    2,392
    RFQ
    TX25/15/13-3E27

    Datasheet

    - Bulk Active Toroid TX 25 x 15 x 13 3E27 1.007" (25.95mm) - ±25% Ungapped 5500.0 - 0.97 60.1 62.1 - 3740.0 Epoxy 0.539" (13.70mm) - -
    B65517D0200A048

    B65517D0200A048

    FERRITE CORE P 200NH N48 2PCS

    EPCOS - TDK Electronics

    3,952
    RFQ
    B65517D0200A048

    Datasheet

    P9/5 Box Active P (Pot Core) P 9 x 5 N48 0.366" (9.30mm) 200 nH ±3% Gapped 200.0 - 1.25 12.5 10.0 - 125.0 Uncoated 0.106" (2.70mm) - -
    EFD15/8/5-3F46-A100-S

    EFD15/8/5-3F46-A100-S

    FERRITE CORE EFD 100NH 3F46 2PC

    Ferroxcube

    3,586
    RFQ
    EFD15/8/5-3F46-A100-S

    Datasheet

    - Bulk Active EFD EFD 15 x 8 x 5 3F46 - 100 nH ±6% Gapped 180.0 - 2.27 34.0 15.0 12.2 510.0 Uncoated 0.295" (7.50mm) 0.591" (15.00mm) 0.183" (4.65mm)
    EFD15/8/5-3F46-A63-S

    EFD15/8/5-3F46-A63-S

    FERRITE CORE EFD 63NH 3F46 2PC

    Ferroxcube

    1,073
    RFQ
    EFD15/8/5-3F46-A63-S

    Datasheet

    - Bulk Active EFD EFD 15 x 8 x 5 3F46 - 63 nH ±4% Gapped 114.0 - 2.27 34.0 15.0 12.2 510.0 Uncoated 0.295" (7.50mm) 0.591" (15.00mm) 0.183" (4.65mm)
    B64290A0045X001

    B64290A0045X001

    FERRITE CORE TOROID

    EPCOS - TDK Electronics

    1,609
    RFQ
    B64290A0045X001

    Datasheet

    T16/9.6/6.3 Box Active Toroid - - - - - Ungapped - - - - - - - Uncoated - - -
    EFD12/6/3.5-3F3-S

    EFD12/6/3.5-3F3-S

    Ferrite Misc

    Ferroxcube

    3,827
    RFQ
    EFD12/6/3.5-3F3-S

    Datasheet

    - Bulk Active EFD EFD 12 x 6 x 3.5 3F3 - 700 nH ±25% Ungapped 1370.0 - 2.5 28.5 11.4 10.7 325.0 Uncoated 0.244" (6.20mm) 0.492" (12.50mm) 0.138" (3.50mm)
    9478204002

    9478204002

    FERRITE CORE E 78 SET

    Fair-Rite Products Corp.

    1,310
    RFQ
    9478204002

    Datasheet

    - Bulk Active E - 78 - - ±25% Ungapped - 2300 32.0 41.7 129.0 127.0 5380.0 Uncoated 0.250" (6.35mm) 1.250" (31.75mm) 0.801" (20.35mm)
    0R42614UG

    0R42614UG

    PQ CORE

    Magnetics, a division of Spang & Co.

    2,066
    RFQ
    0R42614UG

    Datasheet

    - Bulk Active PQ - R - 5.613 µH - Ungapped - 2300 - 33.3 86.4 70.9 2880.0 Uncoated 0.117" (2.97mm) 1.071" (27.20mm) 0.748" (19.00mm)
    0R42521EC

    0R42521EC

    ER CORE

    Magnetics, a division of Spang & Co.

    1,403
    RFQ
    0R42521EC

    Datasheet

    - Bulk Active ER - R - 5.44 µH - Ungapped - 2300 - 41.4 100.0 95.0 4145.0 Uncoated 0.315" (8.00mm) 0.984" (25.00mm) 0.709" (18.00mm)
    EQK3222E040L180

    EQK3222E040L180

    KOOL MU 040 PERM EQ 3222 SIZE

    Magnetics, a division of Spang & Co.

    3,816
    RFQ
    EQK3222E040L180

    Datasheet

    - Bulk Active - - - - - - - - - - - - - - - - - -
    ZM42212TC

    ZM42212TC

    TOROID EPOXY COATED

    Magnetics, a division of Spang & Co.

    1,870
    RFQ
    ZM42212TC

    Datasheet

    - Bulk Active Toroid - M 0.908" (23.07mm) 17.313 µH ±30% Ungapped - 15000 - 54.1 52.3 - 2834.0 Epoxy 0.530" (13.46mm) - -
    0P44308EC

    0P44308EC

    E-SHAPE CORE

    Magnetics, a division of Spang & Co.

    4,903
    RFQ
    0P44308EC

    Datasheet

    - Bulk Active Planar E - P - 9.15 µH - Ungapped - 2500 - 57.5 227.0 227.0 13100.0 Uncoated 0.335" (8.50mm) 1.701" (43.20mm) 1.098" (27.90mm)
    C058049A2

    C058049A2

    HIGH FLUX 147 PERM KHAKI 050 SIZ

    Magnetics, a division of Spang & Co.

    1,906
    RFQ
    C058049A2

    Datasheet

    - Bulk Active Toroid - High Flux 0.530" (13.45mm) 67 nH ±8% Ungapped - 147 - 31.2 10.9 - 340.0 Coated 0.217" (5.51mm) - -
    EQK3626E026L174

    EQK3626E026L174

    KOOL MU 026 PERM EQ 3626 SIZE

    Magnetics, a division of Spang & Co.

    1,822
    RFQ
    EQK3626E026L174

    Datasheet

    - Bulk Active EQ - Kool Mu - 75 nH ±8% Ungapped - 26 - 94.7 181.0 - 17122.0 Uncoated 0.685" (17.40mm) 1.417" (36.00mm) 1.024" (26.00mm)
    0W41811UG

    0W41811UG

    POT CORE

    Magnetics, a division of Spang & Co.

    2,391
    RFQ
    0W41811UG

    Datasheet

    - Bulk Active P - W 0.709" (18.00mm) 12 µH - Ungapped - 10000 - 25.8 43.3 36.0 1120.0 Uncoated 0.209" (5.30mm) - -
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