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Ferrite Cores

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

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Photo Mfr. Part # Availability Price Quantity Datasheet Series Packaging Product Status Core Type Supplier Device Package Material Diameter Inductance Factor (Al) Tolerance Gap Effective Permeability (µe) Initial Permeability (µi) Core Factor (ΣI/A) mm⁻¹ Effective Length (le) mm Effective Area (Ae) mm² Minimum Core Cross Section (Amin) mm² Effective Magnetic Volume (Ve) mm³ Finish Height Length Width
RM12/I-3C90-A400

RM12/I-3C90-A400

Ferrite Misc

Ferroxcube

2,076
RFQ
RM12/I-3C90-A400

Datasheet

- Bulk Active RM RM 12 3C90 - 400 nH ±5% Gapped 123.0 - 0.388 56.6 146.0 125.0 8340.0 Uncoated 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
RFQ
RM12/I-3C94-A250

Datasheet

RM12/I Bulk Active RM RM 12 3C94 - 250 nH ±3% Gapped 77.0 - 0.388 56.6 146.0 125.0 8340.0 Uncoated 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
RFQ
RM12/I-3C94-A160

Datasheet

RM12/I Bulk Active RM RM 12 3C94 - 160 nH ±3% Gapped 49.0 - 0.388 56.6 146.0 125.0 8340.0 Uncoated 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
RFQ
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
RFQ
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
RFQ
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
RFQ
SP43622UG

Datasheet

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

0F43622UG

POT CORE

Magnetics, a division of Spang & Co.

1,026
RFQ
0F43622UG

Datasheet

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

0077442A7

KOOL MU 090 PERM BLACK 438 SIZE

Magnetics, a division of Spang & Co.

3,343
RFQ
0077442A7

Datasheet

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

0077441A7

KOOL MU 014 PERM BLACK 438 SIZE

Magnetics, a division of Spang & Co.

4,638
RFQ
0077441A7

Datasheet

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

0077431A7

KOOL MU 040 PERM BLACK 438 SIZE

Magnetics, a division of Spang & Co.

4,160
RFQ
0077431A7

Datasheet

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

B65651D0000R033

FERRITE CORE M33

EPCOS - TDK Electronics

1,888
RFQ
B65651D0000R033

Datasheet

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

E55/28/25-3C92-G2000

FERRITE CORE E 3C92

Ferroxcube

3,959
RFQ
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
RFQ
P26/16-3C91-E160

Datasheet

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

B66329G0000X195

FERRITE CORE E N95 1PC

EPCOS - TDK Electronics

4,783
RFQ
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
RFQ
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
RFQ
0P44715TC

Datasheet

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

ZP44920TC

TOROID GREY COATED

Magnetics, a division of Spang & Co.

3,724
RFQ
ZP44920TC

Datasheet

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

5975022021

FERRITE CORE TOROID 7.77UH 75

Fair-Rite Products Corp.

2,847
RFQ
5975022021

Datasheet

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

B66335G0125X187

FERRITE CORE E N87

EPCOS - TDK Electronics

2,063
RFQ
B66335G0125X187

Datasheet

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