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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
UR64/40/20-3C90

UR64/40/20-3C90

FERRITE CORE UR 3C90

Ferroxcube

876
UR64/40/20-3C90

Datasheet

- Bulk Active UR UR 64 x 40 x 20 - - - 3C90 - - - - - Uncoated - - - 1.594" (40.50mm) 2.520" (64.00mm) 0.945" (24.00mm)
UR64/40/20-3F3

UR64/40/20-3F3

FERRITE CORE

Ferroxcube

2,023
UR64/40/20-3F3

Datasheet

- Bulk Active - - - - - - - - - - - Uncoated - - - 1.575" (40.00mm) 2.520" (64.00mm) 0.787" (20.00mm)
B65887E0000R087

B65887E0000R087

FERRITE CORE RM 6UH N87 2PCS

EPCOS - TDK Electronics

717
B65887E0000R087

Datasheet

RM14 Box Active RM RM 14 - 6 µH -20%, +30% N87 Ungapped 1670.0 2200 0.35 70.0 Uncoated 200.0 14000.0 170.0 0.594" (15.10mm) 1.661" (42.20mm) 0.748" (19.00mm)
5943003801

5943003801

FERRITE CORE TOROID 43

Fair-Rite Products Corp.

2,247
5943003801

Datasheet

- Bulk Active Toroid - 2.400" (60.96mm) - ±20% 43 Ungapped - 800 - 145.0 Uncoated 158.0 22800.0 - 0.500" (12.70mm) - -
ZW43825TC

ZW43825TC

FERRITE CORE TOROID 33.4UH W

Magnetics, a division of Spang & Co.

198
ZW43825TC

Datasheet

- Bulk Active Toroid - 1.500" (38.10mm) 33.4 µH ±30% W Ungapped - 10000 - 82.9 Epoxy 232.0 19190.0 - 1.045" (26.55mm) - -
ZW44925TC

ZW44925TC

FERRITE CORE TOROID 14.87UH W

Magnetics, a division of Spang & Co.

342
ZW44925TC

Datasheet

- Bulk Active Toroid - 1.992" (50.60mm) 14.87 µH ±30% W Ungapped - 10000 - 123.2 Epoxy 160.0 19717.0 - 0.788" (20.02mm) - -
TX36/23/15-4C65

TX36/23/15-4C65

FERRITE CORE TOROID 4C65

Ferroxcube

1,899
TX36/23/15-4C65

Datasheet

- Bulk Active Toroid TX 36 x 23 x 15 1.463" (37.15mm) - - 4C65 - - - - - Epoxy - - - 0.630" (16.00mm) - -
P36/22-3C91

P36/22-3C91

FERRITE CORE P 3C91 2PC SET

Ferroxcube

144
P36/22-3C91

Datasheet

- Bulk Active P (Pot Core) P 36 x 22 1.425" (36.20mm) - - 3C91 - - - - - Uncoated - - - 0.854" (21.70mm) - -
B64290L0082X087

B64290L0082X087

FERRITE CORE TOROID 4.46UH N87

EPCOS - TDK Electronics

1,116
B64290L0082X087

Datasheet

TX50/30/20 Tray Active Toroid - 2.040" (51.80mm) 4.46 µH ±25% N87 Ungapped - 2200 0.62 120.4 Epoxy 195.7 23560.0 - 0.839" (21.30mm) - -
B65887E0400A041

B65887E0400A041

FERRITE CORE RM 400NH N41 2PCS

EPCOS - TDK Electronics

196
B65887E0400A041

Datasheet

RM14 Box Active RM RM 14 - 400 nH ±3% N41 Gapped 111.0 2800 0.35 70.0 Uncoated 200.0 14000.0 170.0 0.594" (15.10mm) 1.661" (42.20mm) 0.748" (19.00mm)
C055930A2

C055930A2

FERRITE CORE TOROID 157NH

Magnetics, a division of Spang & Co.

234
C055930A2

Datasheet

- Bulk Active Toroid - 1.090" (27.69mm) 157 nH ±8% - Ungapped - 125 - 63.5 Coated 65.4 4150.0 - 0.470" (11.94mm) - -
B64290L0082X830

B64290L0082X830

FERRITE CORE TOROID 8.7UH N30

EPCOS - TDK Electronics

1,582
B64290L0082X830

Datasheet

TX50/30/20 Tray Active Toroid - 2.040" (51.80mm) 8.7 µH ±25% N30 Ungapped - 4300 0.62 120.4 Epoxy 195.7 23560.0 - 0.839" (21.30mm) - -
C058324A2

C058324A2

FERRITE CORE TOROID 117NH HI FLX

Magnetics, a division of Spang & Co.

701
C058324A2

Datasheet

- Bulk Active Toroid - 1.445" (36.70mm) 117 nH ±8% High Flux Ungapped - 125 - 89.8 Coated 67.8 6090.0 - 0.447" (11.35mm) - -
B66295G0000X187

B66295G0000X187

FERRITE CORE ELP N87 1PC

EPCOS - TDK Electronics

839
B66295G0000X187

Datasheet

ELP64/10/50 Box Active ELP ELP 64 x 10 x50 - - - N87 Ungapped - - - - Uncoated - - - 0.402" (10.20mm) 2.520" (64.00mm) 2.000" (50.80mm)
T60006L2040W453

T60006L2040W453

FERRITE CORE TOROID 25UH

VACUUMSCHMELZE

2,228
T60006L2040W453

Datasheet

- Box Active Toroid - 1.697" (43.10mm) 25 µH - - Ungapped - - - 102.0 Uncoated 85.5 - - 0.728" (18.50mm) - -
T60006L2040W424

T60006L2040W424

FERRITE CORE TOROID 109UH

VACUUMSCHMELZE

126
T60006L2040W424

Datasheet

- Box Active Toroid - 1.697" (43.10mm) 109 µH - - Ungapped - - - 102.0 Uncoated 85.5 - - 0.728" (18.50mm) - -
T60006L2045V102

T60006L2045V102

FERRITE CORE TOROID 87.6UH

VACUUMSCHMELZE

4,140
T60006L2045V102

Datasheet

- Box Active Toroid - 1.906" (48.40mm) 87.6 µH - - Ungapped - - - 118.0 Uncoated 85.5 - - 0.717" (18.20mm) - -
T60006L2050W516

T60006L2050W516

FERRITE CORE TOROID 45UH

VACUUMSCHMELZE

2,113
T60006L2050W516

Datasheet

- Box Active Toroid - 2.106" (53.50mm) 45 µH - - Ungapped - - - 141.0 Uncoated 76.0 - - 0.921" (23.40mm) - -
C058083A2

C058083A2

FERRITE CORE TOROID 81NH HIGH FL

Magnetics, a division of Spang & Co.

135
C058083A2

Datasheet

- Bulk Active Toroid - 1.605" (40.77mm) 81 nH ±8% High Flux Ungapped - 60 - 98.4 Coated 107.0 10600.0 - 0.605" (15.37mm) - -
B64290L0699X830

B64290L0699X830

FERRITE CORE TOROID 10.8UH N30

EPCOS - TDK Electronics

231
B64290L0699X830

Datasheet

TX63/38/25 Box Active Toroid - 2.571" (65.30mm) 10.8 µH ±25% N30 Ungapped - 4300 0.5 152.1 Epoxy 305.9 46530.0 - 1.047" (26.60mm) - -
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