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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
    B65805J0250A041

    B65805J0250A041

    FERRITE CORE RM

    EPCOS - TDK Electronics

    2,482
    RFQ
    B65805J0250A041

    Datasheet

    RM5 Box Active RM - - - - - Gapped - - - - - - - Uncoated - - -
    ER18/3.2/10-3F3-S

    ER18/3.2/10-3F3-S

    Ferrite Misc

    Ferroxcube

    1,706
    RFQ
    ER18/3.2/10-3F3-S

    Datasheet

    - Bulk Active ER ER 18 x 3.2 x 10 3F3 - 2.4 µH ±25% Ungapped 1100.0 - - 22.1 30.2 30.1 - Uncoated - - -
    ETD49/25/16-3C90-G2000

    ETD49/25/16-3C90-G2000

    FERRITE CORE ETD 3C90

    Ferroxcube

    4,086
    RFQ
    ETD49/25/16-3C90-G2000

    Datasheet

    - Bulk Active ETD ETD 49 x 25 x 16 3C90 - - - - - - - - - - - Uncoated 0.972" (24.70mm) 1.961" (49.80mm) 0.657" (16.70mm)
    E38/8/25-3C96-A630-E

    E38/8/25-3C96-A630-E

    FERRITE CORE E 3C96

    Ferroxcube

    2,310
    RFQ
    E38/8/25-3C96-A630-E

    Datasheet

    - Bulk Active E E 38 x 8 x 25 3C96 - - - - - - - - - - - Uncoated 0.325" (8.26mm) 1.500" (38.10mm) 1.000" (25.40mm)
    E38/8/25-3C96-A630-P

    E38/8/25-3C96-A630-P

    FERRITE CORE E 3C96

    Ferroxcube

    2,294
    RFQ
    E38/8/25-3C96-A630-P

    Datasheet

    - Bulk Active E E 38 x 8 x 25 3C96 - - - - - - - - - - - Uncoated 0.325" (8.26mm) 1.500" (38.10mm) 1.000" (25.40mm)
    E38/8/25-3F4-A630-E

    E38/8/25-3F4-A630-E

    FERRITE CORE E 3F4

    Ferroxcube

    3,540
    RFQ
    E38/8/25-3F4-A630-E

    Datasheet

    - Bulk Active E E 38 x 8 x 25 3F4 - - - - - - - - - - - Uncoated 0.325" (8.26mm) 1.500" (38.10mm) 1.000" (25.40mm)
    E38/8/25-3F4-A630-P

    E38/8/25-3F4-A630-P

    FERRITE CORE E 3F4

    Ferroxcube

    1,819
    RFQ
    E38/8/25-3F4-A630-P

    Datasheet

    - Bulk Active E E 38 x 8 x 25 3F4 - - - - - - - - - - - Uncoated 0.325" (8.26mm) 1.500" (38.10mm) 1.000" (25.40mm)
    P11/7-3F36

    P11/7-3F36

    FERRITE CORE P 3F36 2PC SET

    Ferroxcube

    1,474
    RFQ
    P11/7-3F36

    Datasheet

    - Bulk Active P P 11 x 7 3F36 0.437" (11.10mm) - ±25% Ungapped - - 0.956 15.5 16.2 13.2 251.0 Uncoated 0.256" (6.50mm) - -
    P11/7-3F46

    P11/7-3F46

    FERRITE CORE P 800NH 3F46 2PC

    Ferroxcube

    4,915
    RFQ
    P11/7-3F46

    Datasheet

    - Bulk Active P P 11 x 7 3F46 0.437" (11.10mm) 800 nH ±25% Ungapped 610.0 - 0.956 15.5 16.2 13.2 251.0 Uncoated 0.256" (6.50mm) - -
    RM6R-3H3-A400

    RM6R-3H3-A400

    Ferrite Misc

    Ferroxcube

    3,153
    RFQ
    RM6R-3H3-A400

    Datasheet

    - Bulk Active RM RM 6 3H3 - 400 nH ±3% Gapped 258.0 - 0.81 25.6 32.0 23.8 810.0 Uncoated 0.244" (6.20mm) 0.701" (17.90mm) 0.291" (7.40mm)
    B65531D0040A033

    B65531D0040A033

    FERRITE CORE P 40NH M33 2PCS

    EPCOS - TDK Electronics

    4,018
    RFQ
    B65531D0040A033

    Datasheet

    P11/7 Box Active P (Pot Core) P 11 x 7 M33 0.445" (11.30mm) 40 nH ±3% Gapped 32.0 750 1.0 15.9 15.9 - 253.0 Uncoated 0.130" (3.30mm) - -
    B65541W0000R045

    B65541W0000R045

    FERRITE CORE N45

    EPCOS - TDK Electronics

    1,635
    RFQ
    B65541W0000R045

    Datasheet

    P14/8 Box Active - P 14 x 8 N45 0.563" (14.30mm) - - - - 3800 0.73 21.0 28.7 23.6 603.0 Uncoated 0.167" (4.25mm) - -
    ER48/21/21-3C95

    ER48/21/21-3C95

    Ferrite Misc

    Ferroxcube

    3,121
    RFQ
    ER48/21/21-3C95

    Datasheet

    - Bulk Active - - - - - - - - - - - - - - - - - -
    PT23/11-3C91

    PT23/11-3C91

    Ferrite Misc

    Ferroxcube

    1,699
    RFQ
    PT23/11-3C91

    Datasheet

    - Bulk Active P PT 23 x 11 3C91 0.902" (22.90mm) 5.5 µH ±25% Ungapped 2050.0 - 0.47 28.6 61.0 53.6 1740.0 Uncoated 0.217" (5.51mm) - -
    CPH-E71-1S

    CPH-E71-1S

    Ferrite Misc

    Ferroxcube

    2,131
    RFQ
    CPH-E71-1S

    Datasheet

    - Bulk Active - - - - - - - - - - - - - - - - - -
    P11/7-3F3-A160

    P11/7-3F3-A160

    Ferrite Misc

    Ferroxcube

    4,561
    RFQ
    P11/7-3F3-A160

    Datasheet

    - Bulk Active P P 11 x 7 3F3 0.437" (11.10mm) 160 nH ±3% Gapped 122.0 - 0.956 15.5 16.2 13.2 251.0 Uncoated 0.128" (3.25mm) - -
    P11/7-3F3-A100

    P11/7-3F3-A100

    Ferrite Misc

    Ferroxcube

    3,410
    RFQ
    P11/7-3F3-A100

    Datasheet

    - Bulk Active P P 11 x 7 3F3 0.437" (11.10mm) 100 nH ±3% Gapped 240.0 - 0.956 15.5 16.2 13.2 251.0 Uncoated 0.128" (3.25mm) - -
    P11/7-3F3-A250

    P11/7-3F3-A250

    Ferrite Misc

    Ferroxcube

    2,370
    RFQ
    P11/7-3F3-A250

    Datasheet

    - Bulk Active P P 11 x 7 3F3 0.437" (11.10mm) 250 nH ±5% Gapped 190.0 - 0.956 15.5 16.2 13.2 251.0 Uncoated 0.128" (3.25mm) - -
    B66350G0000X187

    B66350G0000X187

    FERRITE CORE ER N87 1PC

    EPCOS - TDK Electronics

    4,620
    RFQ
    B66350G0000X187

    Datasheet

    B66350 Box Active ER ER 35 x 20 x 11 N87 - - -20%, +30% Ungapped 1735.0 - 0.81 89.6 111.0 101.0 9950.0 Uncoated 0.815" (20.70mm) 1.378" (35.00mm) 0.445" (11.30mm)
    E42/21/20-3C96-G1600

    E42/21/20-3C96-G1600

    Ferrite Misc

    Ferroxcube

    2,991
    RFQ
    E42/21/20-3C96-G1600

    Datasheet

    - Bulk Active - - - - - - - - - - - - - - - - - -
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