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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
RF41812UG

RF41812UG

R-RM DESIGN

Magnetics, a division of Spang & Co.

3,729
RF41812UG

Datasheet

- Bulk Active RM - - 2.8 µH ±25% F Ungapped - 3000 - 25.6 Uncoated 32.0 819.0 22.6 0.244" (6.20mm) 0.701" (17.90mm) 0.291" (7.40mm)
B65840F1106T001

B65840F1106T001

FERRITE CORE EP K1

EPCOS - TDK Electronics

2,368
B65840F1106T001

Datasheet

- Box Active EP EP 7 - - - K1 - - 80 - - Uncoated - - - - - -
9598283402

9598283402

FERRITE CORE EER SET

Fair-Rite Products Corp.

3,651
9598283402

Datasheet

- Bulk Active EER - - - ±25% - Ungapped - 2400 87.0 74.4 Uncoated 85.2 6337.0 77.0 - 1.122" (28.50mm) -
E41/17/12-3C90

E41/17/12-3C90

Ferrite Misc

Ferroxcube

2,153
E41/17/12-3C90

Datasheet

- Bulk Active E E 41 x 17 x 12 - 4.1 µH ±25% 3C90 Ungapped 1670.0 - 0.517 77.0 Uncoated 149.0 11500.0 142.0 0.654" (16.60mm) 1.598" (40.60mm) 0.488" (12.40mm)
E41/17/12-3C91

E41/17/12-3C91

FERRITE CORE E 3C91

Ferroxcube

2,813
E41/17/12-3C91

Datasheet

- Bulk Active E E 36 x 21 x 12 - - - 3C91 - - - - - Uncoated - - - 0.856" (21.75mm) 1.417" (36.00mm) 0.472" (12.00mm)
UR42/21/12-3C81

UR42/21/12-3C81

FERRITE CORE UR

Ferroxcube

2,607
UR42/21/12-3C81

Datasheet

- Bulk Obsolete UR - - - - - - - - - - Uncoated - - - 0.827" (21.00mm) 1.654" (42.00mm) 0.472" (12.00mm)
EFD30/15/9-3F3-A100

EFD30/15/9-3F3-A100

Ferrite Misc

Ferroxcube

3,597
EFD30/15/9-3F3-A100

Datasheet

- Bulk Active - - - - - - - - - - - - - - - - - -
EFD30/15/9-3F3-A400

EFD30/15/9-3F3-A400

Ferrite Misc

Ferroxcube

1,162
EFD30/15/9-3F3-A400

Datasheet

- Bulk Active EFD EFD 30 x 15 x 9 - 400 nH ±8% 3F3 Gapped 314.0 - 0.98 68.0 Uncoated 69.0 4700.0 66.0 0.591" (15.00mm) 1.181" (30.00mm) 0.358" (9.10mm)
EFD30/15/9-3F3-A160

EFD30/15/9-3F3-A160

Ferrite Misc

Ferroxcube

2,021
EFD30/15/9-3F3-A160

Datasheet

- Bulk Active EFD EFD 30 x 15 x 9 - 160 nH ±3% 3F3 Gapped 125.0 - 0.98 68.0 Uncoated 69.0 4700.0 66.0 0.591" (15.00mm) 1.181" (30.00mm) 0.358" (9.10mm)
EFD30/15/9-3F3-A315

EFD30/15/9-3F3-A315

Ferrite Misc

Ferroxcube

1,619
EFD30/15/9-3F3-A315

Datasheet

- Bulk Active EFD EFD 30 x 15 x 9 - 315 nH ±5% 3F3 Gapped 247.0 - 0.98 68.0 Uncoated 69.0 4700.0 66.0 0.591" (15.00mm) 1.181" (30.00mm) 0.358" (9.10mm)
28N1110-000

28N1110-000

FERRITE CORE 4 HOLE 28

Laird-Signal Integrity Products

1,032
28N1110-000

Datasheet

- Bulk Active Multi-Hole (4) - - - - 28 Ungapped - 850 - - Uncoated - - - 0.375" (9.53mm) 1.110" (28.19mm) 0.260" (6.60mm)
TX22/14/13-3F3

TX22/14/13-3F3

Ferrite Misc

Ferroxcube

3,305
TX22/14/13-3F3

Datasheet

- Bulk Active Toroid TX 22 x 14 x 13 0.880" (22.35mm) 2.2 µH ±20% 3F3 Ungapped - 1800 1.07 54.2 Epoxy 50.9 2750.0 - 0.510" (12.95mm) - -
TN29/19/7.5-3C90

TN29/19/7.5-3C90

Ferrite Misc

Ferroxcube

4,427
TN29/19/7.5-3C90

Datasheet

- Bulk Active Toroid TN 29 x 19 x 7.5 TN 29 x 19 x 7.5 1460 nH ±25% 3C90 Ungapped - 2300 1.98 73.2 Coated 36.9 2700.0 - 0.319" (8.10mm) - -
TX25/15/10-3C96

TX25/15/10-3C96

Ferrite Misc

Ferroxcube

3,221
TX25/15/10-3C96

Datasheet

- Bulk Active Toroid TX 25 x 15 x 10 0.994" (25.25mm) - - 3C96 Ungapped - - 1.23 60.2 Epoxy 48.9 2944.0 - 0.421" (10.40mm) - -
LPK3020E026L118

LPK3020E026L118

KOOL MU 026 PERM LP 3020 SIZE

Magnetics, a division of Spang & Co.

1,826
LPK3020E026L118

Datasheet

- Bulk Active ELP - - 65 nH ±8% Kool Mµ Ungapped - 26 - 68.5 Uncoated 114.0 7800.0 - 0.465" (11.80mm) 1.181" (30.00mm) 0.787" (20.00mm)
0W40905UG

0W40905UG

POT CORE

Magnetics, a division of Spang & Co.

2,465
0W40905UG

Datasheet

- Bulk Active P - 0.366" (9.30mm) 6.029 µH - W Ungapped - 10000 - 12.5 Uncoated 10.1 126.0 8.0 0.106" (2.70mm) - -
0J40905UG

0J40905UG

POT CORE

Magnetics, a division of Spang & Co.

1,849
0J40905UG

Datasheet

- Bulk Active P - 0.366" (9.30mm) 2.727 µH - J Ungapped - 5000 - 12.5 Uncoated 10.1 126.0 8.0 0.106" (2.70mm) - -
0R42915TC

0R42915TC

TOROID UNCOATED

Magnetics, a division of Spang & Co.

4,849
0R42915TC

Datasheet

- Bulk Active Toroid - 1.142" (29.00mm) 2.96 µH ±25% R Ungapped - 2300 - 73.2 Uncoated 74.9 5481.0 - 0.598" (15.20mm) - -
HJ41408UG

HJ41408UG

DOUBLE SLAB CP W/HOLE

Magnetics, a division of Spang & Co.

1,701
HJ41408UG

Datasheet

- Bulk Active EQ - - 4.107 µH - J Ungapped - 5000 - 20.6 Uncoated 21.0 433.0 19.2 0.334" (8.48mm) 0.551" (14.00mm) 0.370" (9.40mm)
LPK3020E060L118

LPK3020E060L118

KOOL MU 060 PERM LP 3020 SIZE

Magnetics, a division of Spang & Co.

4,956
LPK3020E060L118

Datasheet

- Bulk Active ELP - - 134 nH ±8% Kool Mµ Ungapped - 60 - 68.5 Uncoated 114.0 7800.0 - 0.465" (11.80mm) 1.181" (30.00mm) 0.787" (20.00mm)
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