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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
ZR41809TC

ZR41809TC

TOROID GREY COATED

Magnetics, a division of Spang & Co.

2,546
ZR41809TC

Datasheet

- Bulk Active Toroid - 0.756" (19.20mm) 2.81 µH ±25% R Ungapped - 2300 - 41.4 Epoxy 43.1 1783.0 - 0.429" (10.90mm) - -
DF42311UG

DF42311UG

DOUBLE SLAB SCP POT CORE

Magnetics, a division of Spang & Co.

3,452
DF42311UG

Datasheet

- Bulk Active EQ - - 4.46 µH ±25% F Ungapped - 3000 - 26.8 Uncoated 51.2 1370.0 37.8 0.436" (11.08mm) 0.900" (22.86mm) 0.600" (15.25mm)
C055037A2

C055037A2

MPP 200 PERM GREY 040 SIZE

Magnetics, a division of Spang & Co.

4,623
C055037A2

Datasheet

- Bulk Active Toroid - 0.425" (10.80mm) 105 nH ±8% MPP Ungapped - 200 - 23.0 Coated 9.57 220.0 - 0.181" (4.60mm) - -
EQX2619E075L101

EQX2619E075L101

X FLUX 075 PERM EQ 2619 SIZE

Magnetics, a division of Spang & Co.

3,759
EQX2619E075L101

Datasheet

- Bulk Active - - - - - - - - - - - - - - - - - -
EQX2619E060L101

EQX2619E060L101

X FLUX 060 PERM EQ 2619 SIZE

Magnetics, a division of Spang & Co.

3,926
EQX2619E060L101

Datasheet

- Bulk Active EQ - - 165 nH ±8% XFlux Ungapped - 60 - 54.7 Uncoated 119.8 6550.0 - 0.398" (10.10mm) 1.043" (26.50mm) 0.748" (19.00mm)
C055034A2

C055034A2

MPP 173 PERM GREY 040 SIZE

Magnetics, a division of Spang & Co.

3,354
C055034A2

Datasheet

- Bulk Active Toroid - 0.425" (10.80mm) 92 nH ±8% MPP Ungapped - 173 - 23.0 Coated 9.57 220.0 - 0.181" (4.60mm) - -
EQX2619E040L101

EQX2619E040L101

X FLUX 040 PERM EQ 2619 SIZE

Magnetics, a division of Spang & Co.

3,993
EQX2619E040L101

Datasheet

- Bulk Active EQ - - 127 nH - XFlux Ungapped - 40 - 54.7 Uncoated 120.0 6550.0 - 0.398" (10.10mm) 1.043" (26.50mm) 0.748" (19.00mm)
NP41812UG

NP41812UG

R-RM DESIGN SCP

Magnetics, a division of Spang & Co.

4,903
NP41812UG

Datasheet

- Bulk Active RM - - 2.6 µH - P Ungapped - 2500 - 27.5 Uncoated 38.0 1040.0 31.2 0.244" (6.20mm) 0.701" (17.90mm) 0.275" (7.00mm)
0R44216EC

0R44216EC

E-CORE

Magnetics, a division of Spang & Co.

3,538
0R44216EC

Datasheet

- Bulk Active EER - - 3.84 µH - R Ungapped - 2300 - 98.7 Uncoated 175.0 17300.0 166.0 0.850" (21.59mm) 1.657" (42.10mm) 0.579" (14.70mm)
0J44020EC

0J44020EC

E-SHAPE CORE

Magnetics, a division of Spang & Co.

1,982
0J44020EC

Datasheet

- Bulk Active E - - 9.7 µH - J Ungapped - 5000 - 97.0 Uncoated 178.0 17300.0 175.0 0.827" (21.00mm) 1.693" (43.00mm) 0.598" (15.20mm)
PF41717UG

PF41717UG

EP CORE

Magnetics, a division of Spang & Co.

2,294
PF41717UG

Datasheet

- Bulk Active EP - - 3.1 µH ±25% F Ungapped - 3000 - 29.5 Uncoated 33.7 999.0 96.0 0.661" (16.80mm) 0.709" (18.00mm) 0.433" (11.00mm)
HF42311UG

HF42311UG

DOUBLE SLAB CP W/HOLE

Magnetics, a division of Spang & Co.

4,527
HF42311UG

Datasheet

- Bulk Active ER - - 4.17 µH ±25% F Ungapped - 3000 - 27.0 Uncoated 48.2 1300.0 37.8 0.218" (5.54mm) 0.900" (22.86mm) 0.600" (15.25mm)
0J41408UG

0J41408UG

POT CORE

Magnetics, a division of Spang & Co.

2,753
0J41408UG

Datasheet

- Bulk Active P - 0.563" (14.30mm) 5.073 µH - J Ungapped - 5000 - 19.8 Uncoated 25.1 495.0 19.8 0.164" (4.17mm) - -
EQX2619E026L101

EQX2619E026L101

X FLUX 026 PERM EQ 2619 SIZE

Magnetics, a division of Spang & Co.

3,184
EQX2619E026L101

Datasheet

- Bulk Active EQ - - 86 nH - XFlux Ungapped - 26 - 54.7 Uncoated 120.0 6550.0 - 0.398" (10.10mm) 1.043" (26.50mm) 0.748" (19.00mm)
0077355A7

0077355A7

KOOL MU 075 PERM BLACK 350 SIZE

Magnetics, a division of Spang & Co.

2,663
0077355A7

Datasheet

- Bulk Active Toroid - 0.928" (23.57mm) 62 nH ±8% Kool Mu Ungapped - 75 - 58.8 Uncoated 38.8 2280.0 - 0.350" (8.90mm) - -
0077352A7

0077352A7

KOOL MU 026 PERM BLACK 350 SIZE

Magnetics, a division of Spang & Co.

2,764
0077352A7

Datasheet

- Bulk Active Toroid - 0.928" (23.57mm) 22 nH ±8% Kool Mu Ungapped - 26 - 58.8 Uncoated 38.8 2280.0 - 0.350" (8.90mm) - -
0077356A7

0077356A7

KOOL MU 040 PERM BLACK 350 SIZE

Magnetics, a division of Spang & Co.

4,829
0077356A7

Datasheet

- Bulk Active Toroid - 0.928" (23.57mm) 34 nH ±8% Kool Mu Ungapped - 40 - 58.8 Uncoated 38.8 2280.0 - 0.350" (8.90mm) - -
0077354A7

0077354A7

KOOL MU 090 PERM BLACK 350 SIZE

Magnetics, a division of Spang & Co.

2,853
0077354A7

Datasheet

- Bulk Active Toroid - 0.928" (23.57mm) 76 nH ±8% Kool Mu Ungapped - 90 - 58.8 Uncoated 38.8 2280.0 - 0.350" (8.90mm) - -
0R42020UG

0R42020UG

PQ-CORE

Magnetics, a division of Spang & Co.

2,780
0R42020UG

Datasheet

- Bulk Active PQ - - 2.947 µH - R Ungapped - 2300 - 45.7 Uncoated 62.6 2850.0 59.1 0.398" (10.10mm) 0.839" (21.30mm) 0.551" (14.00mm)
RP41812UG

RP41812UG

R-RM DESIGN

Magnetics, a division of Spang & Co.

4,342
RP41812UG

Datasheet

- Bulk Active RM - - 2.333 µH - P Ungapped - 2500 - 25.6 Uncoated 32.0 819.0 22.6 0.244" (6.20mm) 0.701" (17.90mm) 0.291" (7.40mm)
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