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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
9598495402

9598495402

FERRITE CORE EER SET

Fair-Rite Products Corp.

128
9598495402

Datasheet

- Bulk Active EER - - - ±25% - Ungapped - 2400 48.0 118.0 Uncoated 245.0 29020.0 232.0 1.063" (27.00mm) - -
C055204A2

C055204A2

MPP 160 PERM GREY 206 SIZE

Magnetics, a division of Spang & Co.

760
C055204A2

Datasheet

- Bulk Active Toroid - 0.830" (21.08mm) 87 nH ±8% MPP Ungapped - 160 - 50.9 Coated 22.1 1120.0 - 0.280" (7.11mm) - -
B64290L0048X038

B64290L0048X038

FERRITE CORE TOROID T38

EPCOS - TDK Electronics

3,230
B64290L0048X038

Datasheet

TX34/20.5/12.5 Bulk Active Toroid R 34.0 × 20.5 × 12.5 - - ±30% T38 Ungapped - 10000 0.99 82.06 Epoxy 82.6 6778.0 - - - -
C055150A2

C055150A2

FERRITE CORE TOROID 35NH MPP

Magnetics, a division of Spang & Co.

2,274
C055150A2

Datasheet

- Bulk Active Toroid - 0.180" (4.57mm) 35 nH ±8% MPP Ungapped - 125 - 9.42 Coated 2.11 19.0 - 0.125" (3.18mm) - -
0077440A7

0077440A7

FERRITE CORE TOROID 59NH

Magnetics, a division of Spang & Co.

113
0077440A7

Datasheet

- Bulk Active Toroid - 1.875" (47.63mm) 59 nH ±8% - Ungapped - 26 - 107.0 Coated 199.0 21300.0 - 0.710" (18.03mm) - -
0078391A7

0078391A7

FERRITE CORE TOROID 81NH XFLUX

Magnetics, a division of Spang & Co.

343
0078391A7

Datasheet

- Bulk Active Toroid - 1.580" (40.13mm) 81 nH ±8% XFlux Ungapped - 40 - 94.9 Coated 153.0 14600.0 - 0.669" (17.00mm) - -
0078083A7

0078083A7

FERRITE CORE TOROID 81NH XFLUX

Magnetics, a division of Spang & Co.

270
0078083A7

Datasheet

- Bulk Active Toroid - 1.605" (40.77mm) 81 nH ±8% XFlux Ungapped - 60 - 98.4 Coated 107.0 10600.0 - 0.605" (15.37mm) - -
B65661D0000Y038

B65661D0000Y038

FERRITE CORE P 16UH T38 2PCS

EPCOS - TDK Electronics

1,196
B65661D0000Y038

Datasheet

P22/13 Box Active P (Pot Core) P 22 x 13 0.866" (22.00mm) 16 µH -30%, +40% T38 Ungapped 5820.0 10000 0.5 31.6 Uncoated 63.0 1990.0 - 0.268" (6.80mm) - -
0055123A2

0055123A2

FERRITE CORE TOROID 8NH MPP

Magnetics, a division of Spang & Co.

940
0055123A2

Datasheet

- Bulk Active Toroid - 0.680" (17.27mm) 8 nH ±8% MPP Ungapped - 14 - 41.2 Coated 19.2 791.0 - 0.280" (7.11mm) - -
B66335G1000X127

B66335G1000X127

FERRITE CORE E N27 1PC

EPCOS - TDK Electronics

149
B66335G1000X127

Datasheet

E55/28/21 Box Active E E 55 x 28 x 21 - - - N27 Gapped - - - - Uncoated - - - 1.094" (27.80mm) 2.165" (55.00mm) 0.827" (21.00mm)
0074076A7

0074076A7

X FLUX ULTRA 060 PERM BROWN 324

Magnetics, a division of Spang & Co.

429
0074076A7

Datasheet

- Bulk Active Toroid - 1.410" (35.81mm) 57 nH ±8% X FLUX ULTRA Ungapped - 60 - 89.7 Uncoated 67.8 6080.0 - 0.412" (10.46mm) - -
C055045A2

C055045A2

MPP 300 PERM GREY 050 SIZE

Magnetics, a division of Spang & Co.

165
C055045A2

Datasheet

- Bulk Active Toroid - 0.530" (13.45mm) 134 nH ±8% MPP Ungapped - 300 - 31.2 Coated 10.9 340.0 - 0.217" (5.51mm) - -
9598494902

9598494902

FERRITE CORE ETD SET

Fair-Rite Products Corp.

324
9598494902

Datasheet

- Bulk Active ETD - - - ±25% - Ungapped - 2400 53.0 114.4 Uncoated 213.5 24420.0 209.0 - - -
B64290A0674X830

B64290A0674X830

FERRITE CORE TOROID 5.75UH N30

EPCOS - TDK Electronics

200
B64290A0674X830

Datasheet

T36/23/15 Box Active Toroid R 36 x 23 x 15 1.417" (36.00mm) 5.75 µH ±25% N30 Ungapped - 4300 0.94 89.65 Uncoated 95.89 8597.0 - 0.591" (15.00mm) - -
0T45959EC

0T45959EC

FERRITE CORE ETD 7.34UH

Magnetics, a division of Spang & Co.

361
0T45959EC

Datasheet

- Bulk Active ETD - - 7.34 µH ±25% - Ungapped - 3000 - 139.0 Uncoated 368.0 51500.0 - 1.220" (31.00mm) 2.354" (59.80mm) 0.852" (21.65mm)
0V43019UG

0V43019UG

FERRITE CORE P 7UH

Magnetics, a division of Spang & Co.

240
0V43019UG

Datasheet

- Bulk Active P - 1.181" (30.00mm) 7 µH ±25% - Ungapped - 2300 - 45.2 Uncoated 137.0 6190.0 - 0.744" (18.90mm) - -
0078091A7

0078091A7

FERRITE CORE TOROID 37NH XFLUX

Magnetics, a division of Spang & Co.

480
0078091A7

Datasheet

- Bulk Active Toroid - 1.875" (47.63mm) 37 nH ±8% XFlux Ungapped - 26 - 116.0 Coated 134.0 15600.0 - 0.635" (16.13mm) - -
0070936A7

0070936A7

KOOL MU ULTRA 040 PERM BLACK

Magnetics, a division of Spang & Co.

342
0070936A7

Datasheet

- Tray Active Toroid - 1.060" (26.92mm) 52 nH ±8% Kool Mµ Ungapped - 40 - 63.5 Uncoated 65.4 4150.0 - 0.440" (11.18mm) - -
0070932A7

0070932A7

KOOL MU ULTRA 026 PERM BLACK

Magnetics, a division of Spang & Co.

294
0070932A7

Datasheet

- Tray Active Toroid - 1.060" (26.92mm) 34 nH ±8% Kool Mµ Ungapped - 26 - 63.5 Uncoated 65.4 4150.0 - 0.440" (11.18mm) - -
B66395G0000X127

B66395G0000X127

FERRITE CORE ETD N27 1PC

EPCOS - TDK Electronics

530
B66395G0000X127

Datasheet

ETD54/28/19 Box Active ETD ETD 54 x 28 x 19 - - - N27 Ungapped - - - - Uncoated - - - 1.094" (27.80mm) 2.156" (54.50mm) 0.760" (19.30mm)
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