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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
B66375G0500X187

B66375G0500X187

FERRITE CORE E N87

EPCOS - TDK Electronics

1,997
B66375G0500X187

Datasheet

E80/38/20 Box Active E E 80 x 38 x 20 - - - N87 Gapped - 2200 0.47 184.0 Uncoated 390.0 71800.0 388.0 1.516" (38.50mm) 3.150" (80.00mm) 0.795" (20.20mm)
0078615A7

0078615A7

FERRITE CORE TOROID 82NH XFLUX

Magnetics, a division of Spang & Co.

1,372
0078615A7

Datasheet

- Bulk Active Toroid - 2.440" (61.98mm) 82 nH ±8% XFlux Ungapped - 26 - 144.0 Coated 360.0 51800.0 - 0.984" (25.00mm) - -
0077912A7

0077912A7

FERRITE CORE TOROID 57NH KOOL MU

Magnetics, a division of Spang & Co.

100
0077912A7

Datasheet

- Bulk Active Toroid - 3.063" (77.80mm) 57 nH ±8% Kool Mu Ungapped - 40 - 196.0 Coated 221.0 43400.0 - 0.625" (15.88mm) - -
0078912A7

0078912A7

FERRITE CORE TOROID 57NH XFLUX

Magnetics, a division of Spang & Co.

1,408
0078912A7

Datasheet

- Bulk Active Toroid - 3.108" (78.94mm) 57 nH ±8% XFlux Ungapped - 40 - 196.0 Coated 221.0 43400.0 - 0.670" (17.02mm) - -
0078072A7

0078072A7

FERRITE CORE TOROID 143NH XFLUX

Magnetics, a division of Spang & Co.

3,516
0078072A7

Datasheet

- Bulk Active Toroid - 2.677" (68.00mm) 143 nH ±8% XFlux Ungapped - 60 - 158.0 Coated 314.0 49700.0 - 0.787" (20.00mm) - -
00K9541B026

00K9541B026

FERRITE CORE I KOOL MU

Magnetics, a division of Spang & Co.

2,397
00K9541B026

Datasheet

- Bulk Active I - - - - Kool Mu Ungapped - 26 - - Uncoated - 107200.0 - 1.614" (41.00mm) 3.740" (95.00mm) 1.083" (27.50mm)
0070189A7

0070189A7

KOOL MU ULTRA 040 PERM BLACK

Magnetics, a division of Spang & Co.

4,952
0070189A7

Datasheet

- Tray Active - - - - - - - - - - - - - - - - - -
0074615A7

0074615A7

X FLUX ULTRA 026 PERM BROWN 620

Magnetics, a division of Spang & Co.

4,874
0074615A7

Datasheet

- Bulk Active Toroid - 2.440" (61.98mm) 82 nH ±8% X FLUX ULTRA Ungapped - 26 - 144.0 Uncoated 360.0 51800.0 - 0.984" (25.00mm) - -
0078616A7

0078616A7

FERRITE CORE TOROID 126NH XFLUX

Magnetics, a division of Spang & Co.

2,697
0078616A7

Datasheet

- Bulk Active Toroid - 2.484" (63.09mm) 126 nH ±8% XFlux Ungapped - 40 - 144.0 Coated 360.0 51800.0 - 1.020" (25.91mm) - -
0070431A7

0070431A7

KOOL MU ULTRA 040 PERM BLACK

Magnetics, a division of Spang & Co.

1,573
0070431A7

Datasheet

- Tray Active Toroid - 1.840" (46.74mm) 93 nH ±8% Kool Mµ Ungapped - 40 - 107.0 Uncoated 198.0 21300.0 - 0.710" (18.03mm) - -
0070440A7

0070440A7

KOOL MU ULTRA 026 PERM BLACK

Magnetics, a division of Spang & Co.

2,164
0070440A7

Datasheet

- Tray Active Toroid - 1.840" (46.74mm) 60 nH ±8% Kool Mµ Ungapped - 26 - 107.0 Uncoated 198.0 21300.0 - 0.710" (18.03mm) - -
0074072A7

0074072A7

X FLUX ULTRA 060 PERM BROWN 070

Magnetics, a division of Spang & Co.

3,267
0074072A7

Datasheet

- Bulk Active Toroid - 2.677" (68.00mm) 150 nH ±8% X FLUX ULTRA Ungapped - 60 - 158.0 Uncoated 314.0 49700.0 - 0.787" (20.00mm) - -
B64290L0043X038

B64290L0043X038

FERRITE CORE TOROID T38

EPCOS - TDK Electronics

2,795
B64290L0043X038

Datasheet

TX58.3/32/18 Box Active Toroid - - - - T38 Gapped - 10000 - - Epoxy - - - - - -
0079908A7

0079908A7

FERRITE CORE TOROID 37NH KOOL MU

Magnetics, a division of Spang & Co.

2,744
0079908A7

Datasheet

- Bulk Active Toroid - 3.108" (78.94mm) 37 nH ±8% Kool Mu MAX Ungapped - 26 - 196.0 Coated 221.0 43400.0 - 0.670" (17.02mm) - -
MACC0010

MACC0010

FERRITE CORE U AMORPHOUS

Magnetics, a division of Spang & Co.

2,129
MACC0010

Datasheet

- Bulk Active U - - - - Amorphous Ungapped - - - 154.0 Uncoated 180.0 - - 1.240" (31.50mm) 1.398" (35.50mm) 0.787" (20.00mm)
0078777A7

0078777A7

FERRITE CORE TOROID 205NH XFLUX

Magnetics, a division of Spang & Co.

1,613
0078777A7

Datasheet

- Bulk Active Toroid - 3.108" (78.94mm) 205 nH ±8% XFlux Ungapped - 60 - 177.2 Coated 492.0 81500.0 - 1.057" (26.85mm) - -
0R49925IC

0R49925IC

I CORE

Magnetics, a division of Spang & Co.

3,861
0R49925IC

Datasheet

- Bulk Active I - - 5.707 µH - R Ungapped - 2300 - 245.0 Uncoated 645.0 158000.0 645.0 1.000" (25.40mm) 4.000" (101.60mm) 1.000" (25.40mm)
0070191A7

0070191A7

KOOL MU ULTRA 026 PERM BLACK

Magnetics, a division of Spang & Co.

1,790
0070191A7

Datasheet

- Tray Active Toroid - 2.250" (57.15mm) 60 nH ±8% Kool Mµ Ungapped - 26 - 125.0 Uncoated 229.0 28600.0 - 0.600" (15.24mm) - -
0070192A7

0070192A7

KOOL MU ULTRA 060 PERM BLACK

Magnetics, a division of Spang & Co.

2,868
0070192A7

Datasheet

- Tray Active Toroid - 2.250" (57.15mm) 138 nH ±8% Kool Mµ Ungapped - 60 - 125.0 Uncoated 229.0 28600.0 - 0.600" (15.24mm) - -
0076074A7

0076074A7

FERRITE CORE TOROID 65NH HIGH FL

Magnetics, a division of Spang & Co.

1,425
0076074A7

Datasheet

- Bulk Active Toroid - 2.677" (68.00mm) 65 nH ±8% High Flux Ungapped - 26 - 158.0 Coated 314.0 49700.0 - 0.787" (20.00mm) - -
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