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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
    NP41812A250

    NP41812A250

    GAPPED RM CORE

    Magnetics, a division of Spang & Co.

    1,883
    RFQ
    NP41812A250

    Datasheet

    - Bulk Active RM - P - 250 nH - Ungapped - 2500 - 27.5 38.0 - 1040.0 Uncoated 0.488" (12.40mm) 0.701" (17.90mm) 0.275" (7.00mm)
    RM5-3H3-A100/N

    RM5-3H3-A100/N

    Ferrite Misc

    Ferroxcube

    3,056
    RFQ
    RM5-3H3-A100/N

    Datasheet

    - Bulk Active RM RM 5 3H3 - 100 nH ±3% Gapped 80.0 - 1.01 21.4 21.2 14.8 450.0 Uncoated 0.205" (5.20mm) 0.587" (14.90mm) 0.268" (6.80mm)
    RM5-3H3-A160/N

    RM5-3H3-A160/N

    Ferrite Misc

    Ferroxcube

    4,632
    RFQ
    RM5-3H3-A160/N

    Datasheet

    - Bulk Active RM RM 5 3H3 - 160 nH ±3% Gapped 129.0 - 1.01 21.4 21.2 14.8 450.0 Uncoated 0.205" (5.20mm) 0.587" (14.90mm) 0.268" (6.80mm)
    RM5-3H3-A250/N

    RM5-3H3-A250/N

    Ferrite Misc

    Ferroxcube

    4,993
    RFQ
    RM5-3H3-A250/N

    Datasheet

    - Bulk Active RM RM 5 3H3 - 250 nH ±3% Gapped 201.0 - 1.01 21.4 21.2 14.8 450.0 Uncoated 0.205" (5.20mm) 0.587" (14.90mm) 0.268" (6.80mm)
    RM5-3H3-A315/N

    RM5-3H3-A315/N

    Ferrite Misc

    Ferroxcube

    2,071
    RFQ
    RM5-3H3-A315/N

    Datasheet

    - Bulk Active RM RM 5 3H3 - 315 nH ±3% Gapped 253.0 - 1.01 21.4 21.2 14.8 450.0 Uncoated 0.205" (5.20mm) 0.587" (14.90mm) 0.268" (6.80mm)
    RM5-3H3-A400/N

    RM5-3H3-A400/N

    Ferrite Misc

    Ferroxcube

    2,374
    RFQ
    RM5-3H3-A400/N

    Datasheet

    - Bulk Active RM RM 5 3H3 - 400 nH ±5% Gapped 321.0 - 1.01 21.4 21.2 14.8 450.0 Uncoated 0.205" (5.20mm) 0.587" (14.90mm) 0.268" (6.80mm)
    RM10/ILP-3C90

    RM10/ILP-3C90

    FERRITE CORE RM 3C90 2PC SET

    Ferroxcube

    4,656
    RFQ
    RM10/ILP-3C90

    Datasheet

    - Bulk Active RM RM 10 3C90 - - ±25% Ungapped 1510.0 - 0.34 33.9 99.1 89.1 3360.0 Uncoated 0.512" (13.00mm) 1.122" (28.50mm) 0.531" (13.50mm)
    ROD12/40-4B1

    ROD12/40-4B1

    FERRITE CORE ROD

    Ferroxcube

    3,161
    RFQ
    ROD12/40-4B1

    Datasheet

    - Bulk Active ROD ROD 12 x 40 - 0.472" (12.00mm) - - - - - - - - - - Uncoated - 1.575" (40.00mm) -
    E42/21/20-3C95

    E42/21/20-3C95

    FERRITE CORE E 3C95

    Ferroxcube

    4,835
    RFQ
    E42/21/20-3C95

    Datasheet

    - Bulk Active E E 42 x 21 x 20 3C95 - - - - - - - - - - - Uncoated 0.827" (21.00mm) 1.693" (43.00mm) 0.787" (20.00mm)
    EQ38/8/25-3F36

    EQ38/8/25-3F36

    FERRITE CORE EQ 3F36

    Ferroxcube

    1,693
    RFQ
    EQ38/8/25-3F36

    Datasheet

    - Bulk Active EQ EQ 38 x 8 x 25 3F36 - - - - - - - - - - - Uncoated 0.315" (8.00mm) 1.500" (38.10mm) 1.000" (25.40mm)
    EQ38/8/25-3F4-A250

    EQ38/8/25-3F4-A250

    Ferrite Misc

    Ferroxcube

    4,961
    RFQ
    EQ38/8/25-3F4-A250

    Datasheet

    EQ38/8/25 Bulk Active EQ EQ 38 x 8 x 25 3F4 - 250 nH ±3% Gapped 68.0 - 0.341 51.9 152.0 119.0 7900.0 Uncoated 0.315" (8.00mm) 1.500" (38.10mm) 1.000" (25.40mm)
    EQ38/8/25-3C96-A250

    EQ38/8/25-3C96-A250

    Ferrite Misc

    Ferroxcube

    2,725
    RFQ
    EQ38/8/25-3C96-A250

    Datasheet

    - Bulk Active EQ EQ 38 x 8 x 25 3C96 - 250 nH ±3% Gapped 68.0 - 0.341 51.9 119.0 119.0 7900.0 Uncoated 0.209" (5.30mm) 1.500" (38.10mm) 1.000" (25.40mm)
    ER18/3.2/10-3C92-S

    ER18/3.2/10-3C92-S

    FERRITE CORE ER 3C92 2PC SET

    Ferroxcube

    1,745
    RFQ
    ER18/3.2/10-3C92-S

    Datasheet

    - Bulk Active ER ER 18 x 3.2 x 10 3C92 - - ±25% Ungapped - - 0.73 22.1 30.2 30.1 667.0 Uncoated 0.382" (9.70mm) 0.709" (18.00mm) 0.124" (3.15mm)
    P11/7-3C95

    P11/7-3C95

    FERRITE CORE P 2.05UH 3C95 2PC

    Ferroxcube

    3,550
    RFQ
    P11/7-3C95

    Datasheet

    - Bulk Active P P 11 x 7 3C95 0.437" (11.10mm) 2.05 µH ±25% Ungapped 1560.0 - 0.956 15.5 16.2 13.2 251.0 Uncoated 0.256" (6.50mm) - -
    B65805P0000R092

    B65805P0000R092

    FERRITE CORE RM 1.9UH N92 2PCS

    EPCOS - TDK Electronics

    3,517
    RFQ
    B65805P0000R092

    Datasheet

    RM5/LP Box Active RM RM 5 LP N92 - 1.9 µH -20%, +30% Ungapped 1080.0 1500 0.71 17.5 24.5 18.0 430.0 Uncoated 0.154" (3.90mm) 0.575" (14.60mm) 0.268" (6.80mm)
    B66363U0400D197

    B66363U0400D197

    ETD39/20/13 N97 AL400NH+8%/-8%

    EPCOS - TDK Electronics

    1,933
    RFQ
    B66363U0400D197

    Datasheet

    - Tray Active - - - - - - - - - - - - - - - - - -
    0R43230UG

    0R43230UG

    PQ CORE

    Magnetics, a division of Spang & Co.

    2,116
    RFQ
    0R43230UG

    Datasheet

    - Bulk Active PQ - R - 4.667 µH - Ungapped - 2300 - 74.7 167.0 90.5 12500.0 Uncoated 0.596" (15.15mm) 1.299" (33.00mm) 0.866" (22.00mm)
    0T44444EC

    0T44444EC

    ETD CORE

    Magnetics, a division of Spang & Co.

    3,781
    RFQ
    0T44444EC

    Datasheet

    - Bulk Active ETD - T - 4.64 µH ±25% Ungapped - 3000 - 103.0 173.0 172.0 17800.0 Uncoated 0.878" (22.30mm) 1.772" (45.00mm) 0.598" (15.20mm)
    PP42120UG

    PP42120UG

    EP CORE

    Magnetics, a division of Spang & Co.

    3,559
    RFQ
    PP42120UG

    Datasheet

    - Bulk Active EP - P - 4.6 µH - Ungapped - 2500 - 41.1 78.7 60.0 3230.0 Uncoated 0.843" (21.40mm) 0.945" (24.00mm) 0.591" (15.00mm)
    0T42625UG

    0T42625UG

    PQ CORE

    Magnetics, a division of Spang & Co.

    1,452
    RFQ
    0T42625UG

    Datasheet

    - Bulk Active PQ - T - 6.01 µH ±25% Ungapped - 3000 - 54.3 120.0 108.0 6530.0 Uncoated 0.243" (6.18mm) 1.075" (27.30mm) 0.748" (19.00mm)
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