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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
PQ26/25-3C90

PQ26/25-3C90

Ferrite Misc

Ferroxcube

3,582
PQ26/25-3C90

Datasheet

- Bulk Active PQ PQ 26 x 25 - 5.25 µH ±25% 3C90 Ungapped 1890.0 - 0.451 54.3 Uncoated 120.0 6530.0 108.0 0.486" (12.35mm) 1.075" (27.30mm) 0.748" (19.00mm)
PQ26/25-3C91

PQ26/25-3C91

Ferrite Misc

Ferroxcube

4,554
PQ26/25-3C91

Datasheet

- Bulk Active PQ PQ 26 x 25 - 6.01 µH ±25% 3C91 Ungapped - - 0.451 54.3 Uncoated 120.0 6530.0 108.0 0.486" (12.35mm) 1.075" (27.30mm) 0.748" (19.00mm)
B65938A0000X022

B65938A0000X022

FERRITE CORE

EPCOS - TDK Electronics

3,023
B65938A0000X022

Datasheet

PCH18/4.9 Box Active - - - - - - - - - - - - - - - - - -
B65541D0000R041

B65541D0000R041

FERRITE CORE P 2.8UH N41 2PCS

EPCOS - TDK Electronics

4,457
B65541D0000R041

Datasheet

P14/8 Box Active P (Pot Core) P 14 x 8 0.563" (14.30mm) 2.8 µH -20%, +30% N41 Ungapped 1780.0 2800 0.8 20.0 Uncoated 25.0 500.0 20.0 0.167" (4.25mm) - -
ER54/18/18-3C90-G1200

ER54/18/18-3C90-G1200

FERRITE CORE ER 3C90

Ferroxcube

4,215
ER54/18/18-3C90-G1200

Datasheet

- Bulk Active ER ER 54 x 18 x 18 - - - 3C90 - - - - - Uncoated - - - 0.720" (18.30mm) 2.106" (53.50mm) 0.707" (17.95mm)
ER54/18/18-3C94-G1000

ER54/18/18-3C94-G1000

FERRITE CORE ER 3C94

Ferroxcube

2,705
ER54/18/18-3C94-G1000

Datasheet

- Bulk Active ER ER 54 x 18 x 18 - - - 3C94 - - - - - Uncoated - - - 0.720" (18.30mm) 2.106" (53.50mm) 0.707" (17.95mm)
ER54/18/18-3C94-G500

ER54/18/18-3C94-G500

FERRITE CORE ER 3C94

Ferroxcube

3,881
ER54/18/18-3C94-G500

Datasheet

- Bulk Active ER ER 54 x 18 x 18 - - - 3C94 - - - - - Uncoated - - - 0.720" (18.30mm) 2.106" (53.50mm) 0.707" (17.95mm)
B66484G0120X149

B66484G0120X149

ER25/6/15 N49 GAP 0.12+

EPCOS - TDK Electronics

2,289
B66484G0120X149

Datasheet

- Tray Active - - - - - - - - - - - - - - - - - -
B66325G0800X187

B66325G0800X187

FERRITE CORE E N87

EPCOS - TDK Electronics

2,801
B66325G0800X187

Datasheet

E42/21/15 Box Active E E 42 x 21 x 15 - - - N87 Gapped - 2200 0.54 97.0 Uncoated 178.0 17300.0 175.0 0.835" (21.20mm) 1.654" (42.00mm) 0.598" (15.20mm)
B66325G2500X187

B66325G2500X187

FERRITE CORE E N87

EPCOS - TDK Electronics

2,142
B66325G2500X187

Datasheet

E42/21/15 Box Active E E 42 x 21 x 15 - - - N87 Gapped - 2200 0.54 97.0 Uncoated 178.0 17300.0 175.0 0.835" (21.20mm) 1.654" (42.00mm) 0.598" (15.20mm)
E38/8/25-3C92

E38/8/25-3C92

FERRITE CORE E 3C92

Ferroxcube

1,307
E38/8/25-3C92

Datasheet

- Bulk Active E E 38 x 8 x 25 - - - 3C92 - - - - - Uncoated - - - 0.325" (8.26mm) 1.500" (38.10mm) 1.000" (25.40mm)
ER48/21/21-3C94-G200

ER48/21/21-3C94-G200

FERRITE CORE ER 3C94

Ferroxcube

3,108
ER48/21/21-3C94-G200

Datasheet

- Bulk Active ER ER 48 x 21 x 21 - - - 3C94 - - - - - Uncoated - - - 0.835" (21.20mm) 1.890" (48.00mm) 0.827" (21.00mm)
ER48/21/21-3C94-G125

ER48/21/21-3C94-G125

Ferrite Misc

Ferroxcube

2,620
ER48/21/21-3C94-G125

Datasheet

- Bulk Active - - - - - - - - - - - - - - - - - -
RM4-3H3

RM4-3H3

Ferrite Misc

Ferroxcube

2,775
RM4-3H3

Datasheet

- Bulk Active RM RM 4 - 900 nH ±25% 3H3 Ungapped 1390.0 - 1.94 21.3 Uncoated 11.0 230.0 8.1 0.205" (5.20mm) 0.433" (11.00mm) 0.181" (4.60mm)
RM5-3D3-A100/N

RM5-3D3-A100/N

Ferrite Misc

Ferroxcube

1,015
RM5-3D3-A100/N

Datasheet

- Bulk Active RM RM 5 - 100 nH ±3% 3D3 Gapped 80.0 - 1.01 21.4 Uncoated 21.2 450.0 14.8 0.205" (5.20mm) 0.587" (14.90mm) 0.268" (6.80mm)
RM5-3D3-A160/N

RM5-3D3-A160/N

Ferrite Misc

Ferroxcube

3,752
RM5-3D3-A160/N

Datasheet

- Bulk Active RM RM 5 - 160 nH ±4% 3D3 Gapped 130.0 - 1.01 21.4 Uncoated 21.2 450.0 14.8 0.205" (5.20mm) 0.587" (14.90mm) 0.268" (6.80mm)
RM4-3D3

RM4-3D3

Ferrite Misc

Ferroxcube

2,717
RM4-3D3

Datasheet

- Bulk Active RM RM 4 - 400 nH ±25% 3D3 Ungapped 616.0 - 1.94 21.3 Uncoated 11.0 230.0 8.1 0.205" (5.20mm) 0.433" (11.00mm) 0.181" (4.60mm)
0W42915TC

0W42915TC

TOROID UNCOATED

Magnetics, a division of Spang & Co.

1,328
0W42915TC

Datasheet

- Bulk Active Toroid - 1.142" (29.00mm) 12.894 µH ±30% W Ungapped - 10000 - 73.2 Uncoated 74.9 5481.0 - 0.598" (15.20mm) - -
0E41408UG

0E41408UG

POT CORE

Magnetics, a division of Spang & Co.

1,489
0E41408UG

Datasheet

- Bulk Active P - 0.563" (14.30mm) 2.1 µH ±25% E Ungapped - 2000 - 19.8 Uncoated 25.1 495.0 19.8 0.164" (4.17mm) - -
00K4317E090

00K4317E090

KOOL MU 4317 E CORE

Magnetics, a division of Spang & Co.

2,462
00K4317E090

Datasheet

- Bulk Active E - - 234 nH ±8% Kool Mu Ungapped - 90 - 77.5 Uncoated 152.0 11800.0 - 0.650" (16.51mm) 1.609" (40.87mm) 0.493" (12.52mm)
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