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Ferrite Cores

Manufacturer Series Packaging Part Status Core Type Supplier Device Package Diameter Inductance Factor (Al) Tolerance Material Gap Effective Permeability (µe) Initial Permeability (µi) Core Factor (ΣI/A) mm⁻¹ Effective Length (le) mm Finish Effective Area (Ae) mm² Effective Magnetic Volume (Ve) mm³ Minimum Core Cross Section (Amin) mm² Height Length 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Photo Mfr. Part # Availability Price Quantity Datasheet Series Packaging Part Status Core Type Supplier Device Package Diameter Inductance Factor (Al) Tolerance Material Gap Effective Permeability (µe) Initial Permeability (µi) Core Factor (ΣI/A) mm⁻¹ Effective Length (le) mm Finish Effective Area (Ae) mm² Effective Magnetic Volume (Ve) mm³ Minimum Core Cross Section (Amin) mm² Height Length Width
B64290L0632X038

B64290L0632X038

FERRITE CORE TOROID 9.74UH T38

EPCOS - TDK Electronics

3,684
B64290L0632X038

Datasheet

TX20/10/7 Box Active Toroid - 0.835" (21.20mm) 9.74 µH ±30% T38 Ungapped - 10000 1.3 43.55 Epoxy 33.63 1465.0 - 0.319" (8.10mm) - -
EQ20/R-3C95

EQ20/R-3C95

FERRITE CORE EQ 3C95

Ferroxcube

2,226
EQ20/R-3C95

Datasheet

- Bulk Active EQ EQ 20 - - - 3C95 - - - - - Uncoated - - - 0.248" (6.30mm) 0.787" (20.00mm) 0.551" (14.00mm)
T60004L2016W620

T60004L2016W620

FERRITE CORE TOROID 15UH

VACUUMSCHMELZE

27,576
T60004L2016W620

Datasheet

- Box Active Toroid - 0.701" (17.90mm) 15 µH - - Ungapped - - - 44.8 Epoxy 8.0 - - 0.315" (8.00mm) - -
TX10/6/4-4C65

TX10/6/4-4C65

FERRITE CORE TOROID 4C65

Ferroxcube

3,360
TX10/6/4-4C65

Datasheet

- Bulk Active Toroid - - - - 4C65 Ungapped - - 3.07 24.1 Epoxy 7.8 188.0 - 0.167" (4.25mm) - -
B65843A0000R087

B65843A0000R087

FERRITE CORE EP 1.6UH N87 2PCS

EPCOS - TDK Electronics

3,880
B65843A0000R087

Datasheet

EP13 Box Active EP EP 13 - 1.6 µH -20%, +30% N87 Ungapped 1580.0 2200 1.24 24.2 Uncoated 19.5 472.0 14.9 0.256" (6.50mm) 0.504" (12.80mm) 0.354" (9.00mm)
B66283G0000X197

B66283G0000X197

FERRITE CORE ELP N97 1PC

EPCOS - TDK Electronics

2,198
B66283G0000X197

Datasheet

ELP18/4/10 Tray Active ELP ELP 18 x 4 x 10 - - - N97 Ungapped - - - - Uncoated - - - 0.157" (4.00mm) 0.709" (18.00mm) 0.394" (10.00mm)
B64290L0618X035

B64290L0618X035

FERRITE CORE TOROID 5.4UH T35

EPCOS - TDK Electronics

3,975
B64290L0618X035

Datasheet

TX25.3/14.8/10 Bulk Active Toroid - 1.047" (26.60mm) 5.4 µH ±25% T35 Ungapped - 5000 1.17 60.07 Epoxy 51.26 3079.0 - 0.433" (11.00mm) - -
4077484611

4077484611

FERRITE CORE ROD 77

Fair-Rite Products Corp.

7,074
4077484611

Datasheet

- Bulk Active ROD - 0.484" (12.30mm) - - 77 Ungapped 29.0 2000 - 25.0 Uncoated 7.07 - - - 1.625" (41.28mm) -
TX22/14/13-3E27

TX22/14/13-3E27

FERRITE CORE

Ferroxcube

1,519
TX22/14/13-3E27

Datasheet

- Bulk Active - - - - - - - - - - - Epoxy - - - 0.551" (14.00mm) - 0.512" (13.00mm)
T60006L2016W403

T60006L2016W403

FERRITE CORE TOROID 43UH

VACUUMSCHMELZE

23,370
T60006L2016W403

Datasheet

- Box Active Toroid - 0.705" (17.90mm) 43 µH - - Ungapped - - - 40.8 Uncoated 14.4 - - 0.319" (8.10mm) - -
T60006L2017W515

T60006L2017W515

FERRITE CORE TOROID 30UH

VACUUMSCHMELZE

19,710
T60006L2017W515

Datasheet

- Box Active Toroid - 0.756" (19.20mm) 30 µH - - Ungapped - - - 47.3 Uncoated 11.8 - - 0.319" (8.10mm) - -
4078377511

4078377511

FERRITE CORE ROD 78

Fair-Rite Products Corp.

12,892
4078377511

Datasheet

- Bulk Active ROD - 0.374" (9.50mm) - - 78 Ungapped 29.0 2300 - 25.0 Uncoated 7.07 - - - 2.756" (70.00mm) -
B65805C0315A048

B65805C0315A048

FERRITE CORE RM 315NH N48 2PCS

EPCOS - TDK Electronics

1,739
B65805C0315A048

Datasheet

RM5 Cut Tape (CT) Active RM RM 5 - 315 nH ±3% N48 Gapped 251.0 - 1.0 20.8 Uncoated 20.8 433.0 - 0.207" (5.25mm) 0.575" (14.60mm) 0.268" (6.80mm)
B66287G0000X187

B66287G0000X187

FERRITE CORE ELP N87 1PC

EPCOS - TDK Electronics

1,788
B66287G0000X187

Datasheet

ELP32/6/20 Box Active ELP ELP 32 x 6 x 20 - - - N87 Ungapped - - - - Uncoated - - - 0.250" (6.35mm) 1.250" (31.75mm) 0.801" (20.35mm)
B64290L0618X038

B64290L0618X038

FERRITE CORE TOROID 10.7UH T38

EPCOS - TDK Electronics

5,701
B64290L0618X038

Datasheet

TX25.3/14.8/10 Bulk Active Toroid - 1.047" (26.60mm) 10.7 µH ±30% T38 Ungapped - 10000 1.17 60.07 Epoxy 51.26 3079.0 - 0.433" (11.00mm) - -
B65811J0250A087

B65811J0250A087

FERRITE CORE RM 250NH N87 2PCS

EPCOS - TDK Electronics

1,937
B65811J0250A087

Datasheet

RM8 Box Active RM RM 8 - 250 nH ±3% N87 Gapped 118.0 2200 0.59 38.0 Uncoated 64.0 2430.0 55.0 0.324" (8.25mm) 0.913" (23.20mm) 0.433" (11.00mm)
B66365G0000X187

B66365G0000X187

FERRITE CORE ETD N87 1PC

EPCOS - TDK Electronics

1,388
B66365G0000X187

Datasheet

ETD44/22/15 Box Active ETD ETD 44 x 22 x 15 - - - N87 Ungapped - - - - Uncoated - - - 0.886" (22.50mm) 1.724" (43.80mm) 0.598" (15.20mm)
PQ26/20-3C95

PQ26/20-3C95

FERRITE CORE PQ 3C95 2PC SET

Ferroxcube

1,289
PQ26/20-3C95

Datasheet

- Bulk Active PQ PQ 26 x 20 - - - 3C95 - - - - - Uncoated - - - 0.795" (20.20mm) 1.075" (27.30mm) 0.748" (19.00mm)
B65805N0250A048

B65805N0250A048

FERRITE CORE RM 250NH N48 2PCS

EPCOS - TDK Electronics

1,454
B65805N0250A048

Datasheet

RM5 Box Active RM RM 5 - 250 nH ±3% N48 Gapped 199.0 - 1.0 20.8 Uncoated 20.8 433.0 - 0.207" (5.25mm) 0.575" (14.60mm) 0.268" (6.80mm)
TX22/14/6.4-4C65

TX22/14/6.4-4C65

FERRITE CORE TOROID 4C65

Ferroxcube

6,411
TX22/14/6.4-4C65

Datasheet

- Bulk Active Toroid TX 22 x 14 x 6.4 0.880" (22.35mm) - - 4C65 - - - - - Epoxy - - - 0.265" (6.75mm) - -
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