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
B65661D0000R030

B65661D0000R030

FERRITE CORE P 8.3UH N30 2PCS

EPCOS - TDK Electronics

388
B65661D0000R030

Datasheet

P22/13 Box Active P (Pot Core) P 22 x 13 0.866" (22.00mm) 8.3 µH -20%, +30% N30 Ungapped 3020.0 4300 0.5 31.6 Uncoated 63.0 1990.0 - 0.268" (6.80mm) - -
9277012002

9277012002

FERRITE CORE U 77

Fair-Rite Products Corp.

113
9277012002

Datasheet

- Bulk Active U - - - - 77 Ungapped - 2000 138.0 135.0 Uncoated 98.0 13200.0 - 1.000" (25.40mm) 1.620" (41.15mm) 0.460" (11.68mm)
TX36/23/15-3C90

TX36/23/15-3C90

FERRITE CORE TOROID 3C90

Ferroxcube

1,251
TX36/23/15-3C90

Datasheet

- Bulk Active Toroid TX 36 x 23 x 15 1.463" (37.15mm) - - 3C90 - - - - - Epoxy - - - 0.630" (16.00mm) - -
E43/10/28-3F36

E43/10/28-3F36

FERRITE CORE E 3F36

Ferroxcube

4,775
E43/10/28-3F36

Datasheet

- Bulk Active E E 43 x 10 x 28 - - - 3F36 - - - - - Uncoated - - - 0.374" (9.50mm) 1.700" (43.20mm) 1.098" (27.90mm)
B65811J0000Y038

B65811J0000Y038

FERRITE CORE RM 12.5UH T38 2PCS

EPCOS - TDK Electronics

182
B65811J0000Y038

Datasheet

RM8 Box Active RM RM 8 - 12.5 µH -30%, +40% T38 Ungapped 5910.0 2300 0.59 38.0 Uncoated 64.0 2430.0 55.0 0.324" (8.25mm) 0.913" (23.20mm) 0.433" (11.00mm)
B65651W0000R030

B65651W0000R030

FERRITE CORE P 5.9UH N30 2PCS

EPCOS - TDK Electronics

489
B65651W0000R030

Datasheet

P18/11 Box Active P (Pot Core) P 18 x 11 0.724" (18.40mm) 5.9 µH -20%, +30% N30 Ungapped 2680.0 4300 0.57 26.6 Uncoated 46.7 1242.0 33.9 0.209" (5.30mm) - -
C058206A2

C058206A2

FERRITE CORE TOROID 68NH HIGH FL

Magnetics, a division of Spang & Co.

1,401
C058206A2

Datasheet

- Bulk Active Toroid - 0.830" (21.08mm) 68 nH ±8% High Flux Ungapped - 125 - 50.9 Coated 22.1 1120.0 - 0.280" (7.11mm) - -
TX32/19/13-3C94

TX32/19/13-3C94

FERRITE CORE TOROID 3C94

Ferroxcube

281
TX32/19/13-3C94

Datasheet

- Bulk Active Toroid TX 32 x 19 x 13 1.281" (32.55mm) - ±25% 3C94 Ungapped 2300.0 - 0.99 76.0 Epoxy 76.5 5820.0 - 0.528" (13.40mm) - -
PLT43/28/4.1-3C95

PLT43/28/4.1-3C95

FERRITE CORE PLT 3C95

Ferroxcube

2,596
PLT43/28/4.1-3C95

Datasheet

- Bulk Active PLT PLT 43 x 28 x 4.1 - - - 3C95 - - - - - Uncoated - - - 0.161" (4.10mm) 1.700" (43.20mm) 1.098" (27.90mm)
B65811J0000R608

B65811J0000R608

FERRITE CORE RM PCS200

EPCOS - TDK Electronics

365
B65811J0000R608

Datasheet

RM8 Bulk Active RM RM 8 - - -20%, +30% PC200 Ungapped 600.0 800 0.59 38.0 Uncoated 64.0 2430.0 55.0 0.650" (16.50mm) 0.913" (23.20mm) 0.433" (11.00mm)
B66287K0000X149

B66287K0000X149

FERRITE CORE I N49

EPCOS - TDK Electronics

1,991
B66287K0000X149

Datasheet

I32/3/20 Tray Active I I 32 x 3 x 20 - - - N49 Ungapped - - - - Uncoated - - - 0.124" (3.15mm) 1.250" (31.75mm) 0.801" (20.35mm)
B65807N0100A033

B65807N0100A033

FERRITE CORE RM 100NH M33 2PCS

EPCOS - TDK Electronics

1,791
B65807N0100A033

Datasheet

RM6 Box Active RM RM 6 - 100 nH ±3% M33 Gapped 68.5 750 0.86 26.9 Uncoated 31.3 840.0 - 0.246" (6.25mm) 0.701" (17.90mm) 0.323" (8.20mm)
5943002721

5943002721

FERRITE CORE TOROID 885NH 43

Fair-Rite Products Corp.

1,808
5943002721

Datasheet

- Bulk Active Toroid - - 885 nH -25%, +20% 43 Ungapped - 800 112.0 89.0 Plastic 79.0 7000.0 - 0.539" (13.70mm) 1.449" (36.80mm) 0.864" (21.95mm)
B65807N0063A033

B65807N0063A033

FERRITE CORE RM 63NH M33 2PCS

EPCOS - TDK Electronics

2,446
B65807N0063A033

Datasheet

RM6 Box Active RM RM 6 - 63 nH ±3% M33 Gapped 43.2 750 0.86 26.9 Uncoated 31.3 840.0 - 0.246" (6.25mm) 0.701" (17.90mm) 0.323" (8.20mm)
B66289G0000X187

B66289G0000X187

FERRITE CORE ELP N87 1PC

EPCOS - TDK Electronics

888
B66289G0000X187

Datasheet

ELP38/8/25 Box Active ELP ELP 38 x 8 x 25 - - - N87 Ungapped - - - - Uncoated - - - 0.324" (8.25mm) 1.500" (38.10mm) 1.000" (25.40mm)
0059381A2

0059381A2

FERRITE CORE TOROID 43NH EDGE

Magnetics, a division of Spang & Co.

1,176
0059381A2

Datasheet

- Bulk Active Toroid - 0.680" (17.27mm) 43 nH ±8% Edge Ungapped - 60 - 41.4 Coated 23.2 960.0 - 0.250" (6.35mm) - -
ETD49/25/16-3C97

ETD49/25/16-3C97

FERRITE CORE ETD 3C97

Ferroxcube

237
ETD49/25/16-3C97

Datasheet

- Bulk Active ETD ETD 49 x 25 x 16 - - - 3C97 - - - - - Uncoated - - - 0.972" (24.70mm) 1.961" (49.80mm) 0.657" (16.70mm)
B66291G0000X187

B66291G0000X187

FERRITE CORE ELP N87 1PC

EPCOS - TDK Electronics

872
B66291G0000X187

Datasheet

ELP43/10/28 Box Active ELP ELP 43 x 10 x 28 - - - N87 Ungapped - - - - Uncoated - - - 0.374" (9.50mm) 1.700" (43.20mm) 1.098" (27.90mm)
5961001721

5961001721

FERRITE CORE TOROID 120NH 61

Fair-Rite Products Corp.

244
5961001721

Datasheet

- Bulk Active Toroid - 1.299" (33.00mm) 120 nH ±25% 61 Ungapped - 125 1.2947 76.4 Plastic 59.0 4512.0 - 0.406" (10.30mm) - -
TX36/23/15-3E27

TX36/23/15-3E27

FERRITE CORE TOROID 3E+27

Ferroxcube

182
TX36/23/15-3E27

Datasheet

- Bulk Active Toroid TX 36 x 23 x 15 1.463" (37.15mm) - - 3E27 - - - - - Epoxy - - - 0.630" (16.00mm) - -
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