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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
I93/28/16-3C94

I93/28/16-3C94

FERRITE CORE I 3C94

Ferroxcube

1,544
I93/28/16-3C94

Datasheet

- Bulk Active I I 93 x 28 x 16 - - - 3C94 - - - - - Uncoated - - - 1.083" (27.50mm) 3.661" (93.00mm) 0.630" (16.00mm)
B65646A0250A027

B65646A0250A027

FERRITE CORE PM 250NH N27 2PCS

EPCOS - TDK Electronics

699
B65646A0250A027

Datasheet

PM50/39 Box Active PM PM 50 x 39 1.969" (50.00mm) 250 nH ±3% N27 Gapped 45.0 2000 0.227 84.0 Uncoated 370.0 31000.0 280.0 0.768" (19.50mm) - -
B64290L0043X037

B64290L0043X037

FERRITE CORE TOROID 13UH T37

EPCOS - TDK Electronics

176
B64290L0043X037

Datasheet

TX58.3/32/18 Box Active Toroid - 2.366" (60.10mm) 13 µH ±25% T37 Ungapped - 6000 0.58 134.0 Epoxy 230.0 30710.0 - 0.760" (19.30mm) - -
B65981Q0100K097

B65981Q0100K097

FERRITE CORE PQ 100NH N97

EPCOS - TDK Electronics

193
B65981Q0100K097

Datasheet

PQ50/50 Tray Active PQ PQ 50 x 50 - 100 nH ±10% N97 Distributed Gapped - - 0.342 113.0 Uncoated 332.0 37630.0 314.0 0.984" (25.00mm) 1.969" (50.00mm) 6.702" (190.0mm)
B65646A0000R027

B65646A0000R027

FERRITE CORE PM 7.4UH N27 2PCS

EPCOS - TDK Electronics

150
B65646A0000R027

Datasheet

PM50/39 Box Active PM PM 50 x 39 1.969" (50.00mm) 7.4 µH -20%, +30% N27 Ungapped 1340.0 2000 0.227 84.0 Uncoated 370.0 31000.0 280.0 0.768" (19.50mm) - -
TX58/41/18-4C65

TX58/41/18-4C65

FERRITE CORE TOROID 4C65

Ferroxcube

419
TX58/41/18-4C65

Datasheet

- Bulk Active Toroid TX 58 x 41 x 18 2.354" (59.80mm) - - 4C65 - - - - - Epoxy - - - 0.729" (18.60mm) - -
I100/25/25-3C94

I100/25/25-3C94

FERRITE CORE I 3C94

Ferroxcube

104
I100/25/25-3C94

Datasheet

- Bulk Active I I 100 x 25 x 25 - - - 3C94 - - - - - Uncoated - - - 1.000" (25.40mm) 4.000" (101.60mm) 1.000" (25.40mm)
PM50/39-3C94

PM50/39-3C94

FERRITE CORE PM 3C94 2PC SET

Ferroxcube

198
PM50/39-3C94

Datasheet

- Bulk Active PM PM 50 x 39 1.969" (50.00mm) - - 3C94 - - - - - Uncoated - - - 1.535" (39.00mm) - -
TX80/40/15-4C65

TX80/40/15-4C65

FERRITE CORE TOROID 4C65

Ferroxcube

161
TX80/40/15-4C65

Datasheet

- Bulk Active Toroid TX 80 x 40 x 15 3.268" (83.00mm) - - 4C65 - - - - - Epoxy - - - 0.626" (15.90mm) - -
B65713A0400A027

B65713A0400A027

FERRITE CORE PM 400NH N27 2PCS

EPCOS - TDK Electronics

3,795
B65713A0400A027

Datasheet

PM87/70 Box Active PM PM 87 x 70 3.425" (87.00mm) 400 nH ±3% N27 Gapped 51.0 2000 0.16 146.0 Uncoated 910.0 133000.0 700.0 1.378" (35.00mm) - -
8995101021

8995101021

FERRITE CORE EFD 95 SET

Fair-Rite Products Corp.

3,580
8995101021

Datasheet

- Bulk Active EFD - - - ±25% 95 Ungapped - 3000 327.0 23.6 Uncoated 7.2 171.0 6.6 0.205" (5.20mm) - -
9478102002

9478102002

FERRITE CORE E 78 SET

Fair-Rite Products Corp.

2,262
9478102002

Datasheet

- Bulk Active E - - - ±25% 78 Ungapped - 2300 234.0 29.6 Uncoated 12.7 376.0 12.2 0.250" (6.35mm) 0.500" (12.70mm) -
5978002101

5978002101

FERRITE CORE TOROID 78

Fair-Rite Products Corp.

1,285
5978002101

Datasheet

- Bulk Active Toroid - - - ±25% 78 Ungapped - 2300 - 10.4 Uncoated 1.5 15.7 - 0.050" (1.27mm) - -
9077002002

9077002002

FERRITE CORE U 77

Fair-Rite Products Corp.

12,003
9077002002

Datasheet

- Bulk Active U - - - - 77 Ungapped - 2000 168.0 20.8 Uncoated 12.4 257.0 - 0.160" (4.06mm) 0.340" (8.64mm) 0.180" (4.57mm)
B64290A0038X010

B64290A0038X010

FERRITE CORE TOROID

EPCOS - TDK Electronics

1,402
B64290A0038X010

Datasheet

T10/6/4 Box Active Toroid - - - - - Ungapped - - - - Uncoated - - - - - -
B64290L0643X830

B64290L0643X830

FERRITE CORE TOROID N30

EPCOS - TDK Electronics

6,932
B64290L0643X830

Datasheet

TX12.5/7.5/4.1 Box Active Toroid - - - - N30 Gapped - 4300 - - Epoxy - - - - - -
8978101021

8978101021

FERRITE CORE EFD 78 SET

Fair-Rite Products Corp.

6,840
8978101021

Datasheet

- Bulk Active EFD - - - ±25% 78 Ungapped - 2300 327.0 23.6 Uncoated 7.2 171.0 6.6 0.205" (5.20mm) - -
9498201002

9498201002

FERRITE CORE E SET

Fair-Rite Products Corp.

2,797
9498201002

Datasheet

- Bulk Active E - - - ±25% - Ungapped - 2400 134.0 20.1 Uncoated 15.3 315.0 15.0 - 0.551" (14.00mm) 0.197" (5.00mm)
B66307G0060X127

B66307G0060X127

FERRITE CORE E N27 1PC

EPCOS - TDK Electronics

8,153
B66307G0060X127

Datasheet

E16/8/5 Box Active E E 16 x 8 x 5 - - - N27 Gapped - - - - Uncoated - - - 0.323" (8.20mm) 0.630" (16.00mm) 0.185" (4.70mm)
9478201002

9478201002

FERRITE CORE E 78 SET

Fair-Rite Products Corp.

2,458
9478201002

Datasheet

- Bulk Active E - - - ±25% 78 Ungapped - 2300 134.0 20.1 Uncoated 15.3 315.0 15.0 - 0.551" (14.00mm) 0.197" (5.00mm)
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