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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
TN23/14/7-3E25

TN23/14/7-3E25

Ferrite Misc

Ferroxcube

3,345
TN23/14/7-3E25

Datasheet

- Bulk Active Toroid TN 23 x 14 x 7 0.933" (23.70mm) 3.82 µH ±25% 3E25 Ungapped - 5500 1.81 55.8 Nylon 30.9 1722.0 - 0.295" (7.50mm) - -
TN23/14/7-3F3

TN23/14/7-3F3

Ferrite Misc

Ferroxcube

2,547
TN23/14/7-3F3

Datasheet

- Bulk Active Toroid TN 23 x 14 x 7 0.933" (23.70mm) 1.25 µH ±25% 3F3 Ungapped - 1800 1.81 55.8 Nylon 30.9 1722.0 - 0.295" (7.50mm) - -
EP17-3C90

EP17-3C90

FERRITE CORE EP 3C90 2PC SET

Ferroxcube

1,700
EP17-3C90

Datasheet

- Bulk Active EP EP 17 - - - 3C90 Ungapped - - 0.87 29.5 Uncoated 33.7 999.0 25.5 0.661" (16.80mm) 0.709" (18.00mm) 0.433" (11.00mm)
EP17-3C91

EP17-3C91

FERRITE CORE EP 3C91 2PC SET

Ferroxcube

3,859
EP17-3C91

Datasheet

- Bulk Active EP EP 17 - - ±25% 3C91 Ungapped 1860.0 - 0.87 29.5 Uncoated 33.7 999.0 25.5 0.661" (16.80mm) 0.709" (18.00mm) 0.433" (11.00mm)
EP17-3C94

EP17-3C94

Ferrite Misc

Ferroxcube

1,195
EP17-3C94

Datasheet

- Bulk Active EP EP 17 - 2.5 µH ±25% 3C94 Ungapped 1740.0 - - 29.5 Uncoated 33.7 999.0 25.5 0.331" (8.40mm) 0.709" (18.00mm) 0.433" (11.00mm)
ER42/22/15-3C94

ER42/22/15-3C94

FERRITE CORE ER 3C94

Ferroxcube

1,399
ER42/22/15-3C94

Datasheet

- Bulk Active ER ER 42 x 22 x 15 - - - 3C94 - - - - - Uncoated - - - 0.858" (21.80mm) 1.654" (42.00mm) 0.591" (15.00mm)
TX25/15/10-3C95

TX25/15/10-3C95

Ferrite Misc

Ferroxcube

2,411
TX25/15/10-3C95

Datasheet

- Bulk Active Toroid TX 25 x 15 x 10 0.994" (25.25mm) - - 3C95 Ungapped - - 1.23 60.2 Epoxy 48.9 2944.0 - 0.421" (10.40mm) - -
ER42/22/15-3C90

ER42/22/15-3C90

Ferrite Misc

Ferroxcube

2,857
ER42/22/15-3C90

Datasheet

- Bulk Active ER ER 42 x 22 x 15 - - - 3C90 Ungapped 1900.0 - - - Uncoated - - - - - -
SJ41811UG

SJ41811UG

ROUND-SLAB CORE W/HOLE

Magnetics, a division of Spang & Co.

2,055
SJ41811UG

Datasheet

- Bulk Active PS - 0.709" (18.00mm) 5.76 µH - J Ungapped - 5000 - 27.2 Uncoated 40.6 1110.0 32.9 0.209" (5.30mm) - -
0078352A7

0078352A7

X FLUX 026 PERM BROWN 350 SIZE

Magnetics, a division of Spang & Co.

4,703
0078352A7

Datasheet

- Bulk Active Toroid - 0.928" (23.57mm) 22 nH ±8% XFlux Ungapped - 26 - 58.8 Uncoated 38.8 2280.0 - 0.350" (8.90mm) - -
C055279A2

C055279A2

MPP 147 PERM GREY 280 SIZE

Magnetics, a division of Spang & Co.

4,352
C055279A2

Datasheet

- Bulk Active Toroid - 0.405" (10.29mm) 63 nH ±8% MPP Ungapped - 147 - 21.8 Coated 7.52 164.0 - 0.150" (3.81mm) - -
EQK3222E040L101

EQK3222E040L101

KOOL MU 040 PERM EQ 3222 SIZE

Magnetics, a division of Spang & Co.

2,650
EQK3222E040L101

Datasheet

- Bulk Active EQ - - 129 nH ±8% Kool Mµ Ungapped - 40 - 59.5 Uncoated 152.3 9100.0 - 0.398" (10.10mm) 1.260" (32.00mm) 0.866" (22.00mm)
0P44130UC

0P44130UC

U-SHAPE CORE

Magnetics, a division of Spang & Co.

3,193
0P44130UC

Datasheet

- Bulk Active UR - - 1.52 µH - P Ungapped - 2500 - 154.8 Uncoated 112.1 17346.0 105.4 1.201" (30.50mm) 1.645" (41.78mm) 0.470" (11.94mm)
0078351A7

0078351A7

X FLUX 060 PERM BROWN 350 SIZE

Magnetics, a division of Spang & Co.

3,017
0078351A7

Datasheet

- Bulk Active Toroid - 0.928" (23.57mm) 51 nH ±8% XFlux Ungapped - 60 - 58.8 Uncoated 38.8 2280.0 - 0.350" (8.90mm) - -
C055278A2

C055278A2

MPP 160 PERM GREY 280 SIZE

Magnetics, a division of Spang & Co.

4,507
C055278A2

Datasheet

- Bulk Active Toroid - 0.405" (10.29mm) 58 nH ±8% MPP Ungapped - 160 - 21.8 Coated 7.52 164.0 - 0.150" (3.81mm) - -
0078350A7

0078350A7

X FLUX 125 PERM BROWN 350 SIZE

Magnetics, a division of Spang & Co.

4,482
0078350A7

Datasheet

- Bulk Active Toroid - 0.928" (23.57mm) 105 nH ±8% XFlux Ungapped - 125 - 58.8 Uncoated 38.8 2280.0 - 0.350" (8.90mm) - -
EQK3222E060L101

EQK3222E060L101

KOOL MU 060 PERM EQ 3222 SIZE

Magnetics, a division of Spang & Co.

3,893
EQK3222E060L101

Datasheet

- Bulk Active EQ - - 194 nH ±8% Kool Mµ Ungapped - 60 - 59.5 Uncoated 152.3 9100.0 - 0.398" (10.10mm) 1.260" (32.00mm) 0.866" (22.00mm)
0P42517EC

0P42517EC

ER CORE

Magnetics, a division of Spang & Co.

1,018
0P42517EC

Datasheet

- Bulk Active ER - - 6.05 µH - P Ungapped - 2500 - 33.8 Uncoated 91.8 82.0 86.4 0.220" (5.60mm) 0.984" (25.00mm) 0.709" (18.00mm)
0R42517EC

0R42517EC

ER CORE

Magnetics, a division of Spang & Co.

4,411
0R42517EC

Datasheet

- Bulk Active ER - - 5.7 µH - R Ungapped - 2300 - 33.8 Uncoated 91.8 82.0 86.4 0.220" (5.60mm) 0.984" (25.00mm) 0.709" (18.00mm)
EQK3222E026L101

EQK3222E026L101

KOOL MU 026 PERM EQ 3222 SIZE

Magnetics, a division of Spang & Co.

2,001
EQK3222E026L101

Datasheet

- Bulk Active EQ - - 100 nH - Kool Mu Ungapped - 26 - 59.5 Uncoated 152.0 9100.0 - 0.390" (9.90mm) 1.260" (32.00mm) 0.866" (22.00mm)
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