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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
    E32/6/20/R-3C95

    E32/6/20/R-3C95

    FERRITE CORE E 3C95

    Ferroxcube

    136
    RFQ
    E32/6/20/R-3C95

    Datasheet

    - Bulk Active E E 32 x 6 x 20 3C95 - - - - - - - - - - - Uncoated 0.250" (6.35mm) 1.250" (31.75mm) 0.800" (20.32mm)
    B65803P0000R049

    B65803P0000R049

    FERRITE CORE RM 950NH N49 2PCS

    EPCOS - TDK Electronics

    845
    RFQ
    B65803P0000R049

    Datasheet

    RM4/LP Box Active RM RM 4 LP N49 - 950 nH -20%, +30% Ungapped 900.0 1500 1.2 17.3 14.5 11.3 251.0 Uncoated 0.154" (3.90mm) 0.433" (11.00mm) 0.181" (4.60mm)
    B65531D0000R033

    B65531D0000R033

    FERRITE CORE P 780NH M33 2PCS

    EPCOS - TDK Electronics

    3,005
    RFQ
    B65531D0000R033

    Datasheet

    P11/7 Tray Active P (Pot Core) P 11 x 7 M33 0.445" (11.30mm) 780 nH -20%, +30% Ungapped 620.0 750 1.0 15.9 15.9 - 253.0 Uncoated 0.130" (3.30mm) - -
    B65805J0000R087

    B65805J0000R087

    FERRITE CORE RM 2UH N87 2PCS

    EPCOS - TDK Electronics

    1,626
    RFQ
    B65805J0000R087

    Datasheet

    RM5 Box Active RM RM 5 N87 - 2 µH -20%, +30% Ungapped 1480.0 2200 0.93 22.1 23.8 18.0 526.0 Uncoated 0.207" (5.25mm) 0.575" (14.60mm) 0.268" (6.80mm)
    B65805P0000R087

    B65805P0000R087

    FERRITE CORE N87 2PCS

    EPCOS - TDK Electronics

    1,363
    RFQ
    B65805P0000R087

    Datasheet

    RM5/LP Box Active - - N87 - - - - - - - - - - - - - - -
    B64290L0651X087

    B64290L0651X087

    FERRITE CORE TOROID 2.63UH N87

    EPCOS - TDK Electronics

    459
    RFQ
    B64290L0651X087

    Datasheet

    TX22/14/13 Box Active Toroid - N87 0.917" (23.30mm) 2.63 µH ±25% Ungapped - 2200 1.05 54.15 51.15 - 2789.0 Epoxy 0.543" (13.80mm) - -
    B65803P0000R087

    B65803P0000R087

    FERRITE CORE RM 1.3UH N87 2PCS

    EPCOS - TDK Electronics

    1,104
    RFQ
    B65803P0000R087

    Datasheet

    RM4/LP Box Active RM RM 4 LP N87 - 1.3 µH -20%, +30% Ungapped 1230.0 2200 1.2 17.3 14.5 11.3 251.0 Uncoated 0.154" (3.90mm) 0.433" (11.00mm) 0.181" (4.60mm)
    B66325G0000X187

    B66325G0000X187

    FERRITE CORE E N87 1PC

    EPCOS - TDK Electronics

    2,499
    RFQ
    B66325G0000X187

    Datasheet

    E42/21/15 Box Active E E 42 x 21 x 15 N87 - - - Ungapped - - - - - - - Uncoated 0.835" (21.20mm) 1.654" (42.00mm) 0.598" (15.20mm)
    B62152A0004X001

    B62152A0004X001

    FERRITE CORE 2 HOLE 190NH K1

    EPCOS - TDK Electronics

    1,634
    RFQ
    B62152A0004X001

    Datasheet

    MHB2-14.5/8.5/8.3 Bulk Active Multi-Hole (2) - K1 - 190 nH ±30% Ungapped - 80 0.54 15.3 28.4 - 435.0 Uncoated 0.327" (8.30mm) 0.571" (14.50mm) 0.335" (8.50mm)
    ER23/3.6/13-3C92-S

    ER23/3.6/13-3C92-S

    FERRITE CORE ER 3C92 2PC SET

    Ferroxcube

    3,687
    RFQ
    ER23/3.6/13-3C92-S

    Datasheet

    - Bulk Active ER ER 23 x 3.6 x 13 3C92 - - - - - - - - - - - Uncoated 0.142" (3.60mm) 0.913" (23.20mm) 0.492" (12.50mm)
    B66363G1000X187

    B66363G1000X187

    FERRITE CORE ETD N87 1PC

    EPCOS - TDK Electronics

    654
    RFQ
    B66363G1000X187

    Datasheet

    ETD39/20/13 Box Active ETD ETD 39 x 20 x 13 N87 - - - Gapped - - - - - - - Uncoated 0.787" (20.00mm) 1.531" (38.90mm) 0.504" (12.80mm)
    B66363G0200X187

    B66363G0200X187

    FERRITE CORE ETD N87 1PC

    EPCOS - TDK Electronics

    401
    RFQ
    B66363G0200X187

    Datasheet

    ETD39/20/13 Box Active ETD ETD 39 x 20 x 13 N87 - - - Gapped - - - - - - - Uncoated 0.787" (20.00mm) 1.531" (38.90mm) 0.504" (12.80mm)
    E32/6/20/R-3F36

    E32/6/20/R-3F36

    FERRITE CORE E 3F36

    Ferroxcube

    598
    RFQ
    E32/6/20/R-3F36

    Datasheet

    - Bulk Active E E 32 x 6 x 20 3F36 - - - - - - - - - - - Uncoated 0.250" (6.35mm) 1.250" (31.75mm) 0.800" (20.32mm)
    RM8/I-3C95

    RM8/I-3C95

    FERRITE CORE RM 3C95 2PC SET

    Ferroxcube

    434
    RFQ
    RM8/I-3C95

    Datasheet

    - Bulk Active RM RM 8 3C95 - - - - - - - - - - - Uncoated 0.646" (16.40mm) 0.913" (23.20mm) 0.433" (11.00mm)
    B65805J0250A087

    B65805J0250A087

    FERRITE CORE RM

    EPCOS - TDK Electronics

    966
    RFQ
    B65805J0250A087

    Datasheet

    RM5 Bulk Active RM - - - - - Gapped - - - - - - - Uncoated - - -
    C058380A2

    C058380A2

    FERRITE CORE TOROID 89NH HIGH FL

    Magnetics, a division of Spang & Co.

    1,352
    RFQ
    C058380A2

    Datasheet

    - Bulk Active Toroid - High Flux 0.710" (18.03mm) 89 nH ±8% Ungapped - 125 - 41.4 23.2 - 960.0 Coated 0.280" (7.11mm) - -
    B65517D0063A033

    B65517D0063A033

    FERRITE CORE P 63NH M33 2PCS

    EPCOS - TDK Electronics

    2,698
    RFQ
    B65517D0063A033

    Datasheet

    P9/5 Box Active P (Pot Core) P 9 x 5 M33 0.366" (9.30mm) 63 nH ±3% Gapped 63.0 750 1.25 12.5 10.0 - 125.0 Uncoated 0.106" (2.70mm) - -
    B62152A0001X001

    B62152A0001X001

    FERRITE CORE 2 HOLE 330NH K1

    EPCOS - TDK Electronics

    2,522
    RFQ
    B62152A0001X001

    Datasheet

    MHB2-14.5/8.5/14.5 Bulk Active Multi-Hole (2) - K1 - 330 nH ±30% Ungapped - 80 0.31 15.3 49.7 - 760.0 Uncoated 0.571" (14.50mm) 0.571" (14.50mm) 0.335" (8.50mm)
    B65805J0000Y038

    B65805J0000Y038

    FERRITE CORE RM 6.7UH T38 2PCS

    EPCOS - TDK Electronics

    1,630
    RFQ
    B65805J0000Y038

    Datasheet

    RM5 Box Active RM RM 5 T38 - 6.7 µH -30%, +40% Ungapped 4950.0 10000 0.93 22.1 23.8 18.0 526.0 Uncoated 0.207" (5.25mm) 0.575" (14.60mm) 0.268" (6.80mm)
    B65511A0000Y030

    B65511A0000Y030

    FERRITE CORE P 2UH N30 2PCS

    EPCOS - TDK Electronics

    2,896
    RFQ
    B65511A0000Y030

    Datasheet

    P7/4 Box Active P (Pot Core) P 7 x 4 N30 0.289" (7.35mm) 2 µH -30%, +40% Ungapped 2270.0 4300 1.43 10.0 7.0 - 70.0 Uncoated 0.083" (2.10mm) - -
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