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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
RM12/I-3C90-A400

RM12/I-3C90-A400

Ferrite Misc

Ferroxcube

2,076
RM12/I-3C90-A400

Datasheet

- Bulk Active RM RM 12 - 400 nH ±5% 3C90 Gapped 123.0 - 0.388 56.6 Uncoated 146.0 8340.0 125.0 0.482" (12.25mm) 1.472" (37.40mm) 0.634" (16.10mm)
RM12/I-3C94-A250

RM12/I-3C94-A250

Ferrite Misc

Ferroxcube

4,638
RM12/I-3C94-A250

Datasheet

RM12/I Bulk Active RM RM 12 - 250 nH ±3% 3C94 Gapped 77.0 - 0.388 56.6 Uncoated 146.0 8340.0 125.0 0.482" (12.25mm) 1.472" (37.40mm) 0.634" (16.10mm)
RM12/I-3C94-A160

RM12/I-3C94-A160

Ferrite Misc

Ferroxcube

3,963
RM12/I-3C94-A160

Datasheet

RM12/I Bulk Active RM RM 12 - 160 nH ±3% 3C94 Gapped 49.0 - 0.388 56.6 Uncoated 146.0 8340.0 125.0 0.482" (12.25mm) 1.472" (37.40mm) 0.634" (16.10mm)
E55/28/25-3C95-G1000

E55/28/25-3C95-G1000

FERRITE CORE E 3C95

Ferroxcube

4,904
E55/28/25-3C95-G1000

Datasheet

- Bulk Active E E 55 x 28 x 25 - - - 3C95 - - - - - Uncoated - - - 1.083" (27.50mm) 2.213" (56.20mm) 0.984" (25.00mm)
E55/28/25-3C95-G500

E55/28/25-3C95-G500

FERRITE CORE E 3C95

Ferroxcube

3,628
E55/28/25-3C95-G500

Datasheet

- Bulk Active E E 55 x 28 x 25 - - - 3C95 - - - - - Uncoated - - - 1.083" (27.50mm) 2.213" (56.20mm) 0.984" (25.00mm)
E58/11/38-3C92

E58/11/38-3C92

FERRITE CORE E 3C92

Ferroxcube

2,429
E58/11/38-3C92

Datasheet

- Bulk Active E E 58 x 11 x 38 - - - 3C92 - - - - - Uncoated - - - 0.413" (10.50mm) 2.299" (58.40mm) 1.500" (38.10mm)
SP43622UG

SP43622UG

ROUND-SLAB CORE W/HOLE

Magnetics, a division of Spang & Co.

4,263
SP43622UG

Datasheet

- Bulk Active PS - 1.402" (35.61mm) 7.58 µH - P Ungapped - 2500 - 55.4 Uncoated 179.5 9944.0 140.0 0.429" (10.90mm) - -
0F43622UG

0F43622UG

POT CORE

Magnetics, a division of Spang & Co.

1,026
0F43622UG

Datasheet

- Bulk Active P - 1.397" (35.50mm) 10.2 µH - F Ungapped - 3000 - 53.2 Uncoated 202.0 10700.0 172.0 0.431" (10.95mm) - -
0077442A7

0077442A7

KOOL MU 090 PERM BLACK 438 SIZE

Magnetics, a division of Spang & Co.

3,343
0077442A7

Datasheet

- Bulk Active Toroid - 1.840" (46.74mm) 202 nH ±8% Kool Mu Ungapped - 90 - 107.0 Uncoated 199.0 21300.0 - 0.710" (18.03mm) - -
0077441A7

0077441A7

KOOL MU 014 PERM BLACK 438 SIZE

Magnetics, a division of Spang & Co.

4,638
0077441A7

Datasheet

- Bulk Active Toroid - 1.840" (46.74mm) 32 nH ±8% Kool Mu Ungapped - 14 - 107.4 Uncoated 198.0 21300.0 - 0.710" (18.03mm) - -
0077431A7

0077431A7

KOOL MU 040 PERM BLACK 438 SIZE

Magnetics, a division of Spang & Co.

4,160
0077431A7

Datasheet

- Bulk Active Toroid - 1.840" (46.74mm) 90 nH ±8% Kool Mu Ungapped - 40 - 107.0 Uncoated 199.0 21300.0 - 0.710" (18.03mm) - -
B65651D0000R033

B65651D0000R033

FERRITE CORE M33

EPCOS - TDK Electronics

1,888
B65651D0000R033

Datasheet

P18/11 Box Active - P 18 x 11 0.724" (18.40mm) - - M33 - - 750 0.6 25.9 Uncoated 43.0 1114.0 - 0.209" (5.30mm) - -
E55/28/25-3C92-G2000

E55/28/25-3C92-G2000

FERRITE CORE E 3C92

Ferroxcube

3,959
E55/28/25-3C92-G2000

Datasheet

- Bulk Active E E 55 x 28 x 25 - - - 3C92 - - - - - Uncoated - - - 1.083" (27.50mm) 2.213" (56.20mm) 0.984" (25.00mm)
P26/16-3C91-E160

P26/16-3C91-E160

Ferrite Misc

Ferroxcube

1,132
P26/16-3C91-E160

Datasheet

- Bulk Active P P 26 x 16 1.004" (25.50mm) 160 nH ±3% 3C91 Gapped 51.0 - 0.4 37.6 Uncoated 93.9 3530.0 77.4 0.317" (8.05mm) - -
B66329G0000X195

B66329G0000X195

FERRITE CORE E N95 1PC

EPCOS - TDK Electronics

4,783
B66329G0000X195

Datasheet

E42/21/20 Box Active E E 42 x 21 x 20 - - - N95 Ungapped - - - - Uncoated - - - 0.835" (21.20mm) 1.654" (42.00mm) 0.787" (20.00mm)
E58/11/38-3C96

E58/11/38-3C96

FERRITE CORE E 3C96

Ferroxcube

3,521
E58/11/38-3C96

Datasheet

- Bulk Active E E 58 x 11 x 38 - - - 3C96 - - - - - Uncoated - - - 0.413" (10.50mm) 2.299" (58.40mm) 1.500" (38.10mm)
0P44715TC

0P44715TC

TOROID UNCOATED

Magnetics, a division of Spang & Co.

2,257
0P44715TC

Datasheet

- Bulk Active Toroid - 1.846" (46.90mm) 4.03 µH ±25% P Ungapped - 2500 - 110.4 Uncoated 145.5 16063.0 - 0.591" (15.00mm) - -
ZP44920TC

ZP44920TC

TOROID GREY COATED

Magnetics, a division of Spang & Co.

3,724
ZP44920TC

Datasheet

- Bulk Active Toroid - 1.977" (50.22mm) 3.032 µH ±25% P Ungapped - 2500 - 123.2 Epoxy 133.7 16466.0 - 0.655" (16.64mm) - -
5975022021

5975022021

FERRITE CORE TOROID 7.77UH 75

Fair-Rite Products Corp.

2,847
5975022021

Datasheet

- Box Active Toroid - 1.984" (50.40mm) 7.77 µH -30%, +25% 75 Ungapped - 5000 0.886 127.0 Plastic 144.0 18270.0 - 0.787" (20.00mm) - -
B66335G0125X187

B66335G0125X187

FERRITE CORE E N87

EPCOS - TDK Electronics

2,063
B66335G0125X187

Datasheet

E55/28/21 Box Active E E 55 x 28 x 21 - - - N87 Gapped - 2200 0.35 124.0 Uncoated 354.0 43900.0 351.0 1.094" (27.80mm) 2.165" (55.00mm) 0.827" (21.00mm)
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