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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
B65887E1000J041

B65887E1000J041

FERRITE CORE RM 1UH N41 2PCS

EPCOS - TDK Electronics

4,354
B65887E1000J041

Datasheet

RM14 Box Active RM RM 14 - 1 µH ±5% N41 Gapped 279.0 2800 0.35 70.0 Uncoated 200.0 14000.0 170.0 0.594" (15.10mm) 1.661" (42.20mm) 0.748" (19.00mm)
PC95PQ40/40Z-12

PC95PQ40/40Z-12

FERRITE CORE PQ 6.4UH PCS95 2PC

TDK Corporation

4,011
PC95PQ40/40Z-12

Datasheet

PQ Tray Active PQ PQ 40 x 40 - 6.4 µH ±25% PC95 Ungapped - - 0.51 102.0 Uncoated 201.0 20500.0 - 1.565" (39.75mm) 1.594" (40.50mm) 1.102" (28.00mm)
B66371Q0250K187

B66371Q0250K187

FERRITE CORE E 250NH N87

EPCOS - TDK Electronics

1,990
B66371Q0250K187

Datasheet

E70/33/32 Bulk Active E E 70 x 33 x 32 - 250 nH ±10% N87 Distributed Gapped - 2200 0.22 149.0 Uncoated 683.0 102000.0 676.0 1.307" (33.20mm) 2.776" (70.50mm) 1.260" (32.00mm)
B64290L0082X037

B64290L0082X037

FERRITE CORE TOROID 12UH T37

EPCOS - TDK Electronics

4,920
B64290L0082X037

Datasheet

TX50/30/20 Box Active Toroid - 2.040" (51.80mm) 12 µH ±25% T37 Ungapped - 6000 0.62 120.4 Epoxy 195.7 23560.0 - 0.839" (21.30mm) - -
PC95PQ50/50Z-12

PC95PQ50/50Z-12

FERRITE CORE PQ 9.7UH PCS95 2PC

TDK Corporation

1,630
PC95PQ50/50Z-12

Datasheet

PQ Tray Active PQ PQ 50 x 50 - 9.7 µH ±25% PC95 Ungapped - - 0.35 113.0 Uncoated 328.0 37200.0 - 1.967" (49.95mm) 1.969" (50.00mm) 1.260" (32.00mm)
B66371Q0250K195

B66371Q0250K195

FERRITE CORE E 250NH N95

EPCOS - TDK Electronics

4,389
B66371Q0250K195

Datasheet

B66371 Bulk Active E E 70 x 33 x 32 - 250 nH ±10% N95 Gapped - 2200 0.22 149.0 Uncoated 683.0 102000.0 676.0 1.307" (33.20mm) 2.776" (70.50mm) 1.260" (32.00mm)
B65981Q0100K095

B65981Q0100K095

FERRITE CORE PQ 100NH N95

EPCOS - TDK Electronics

4,058
B65981Q0100K095

Datasheet

PQ50/50 Bulk Active PQ PQ 50 x 50 - 100 nH ±10% N95 Distributed Gapped - 3000 0.342 113.0 Uncoated 332.0 37630.0 314.0 0.984" (25.00mm) 1.969" (50.00mm) 1.260" (32.00mm)
LRF624520MKCX

LRF624520MKCX

FERRITE CORE TOROID 31.5UH

Chemi-Con

2,121
LRF624520MKCX

Datasheet

FL-V Bulk Active Toroid - 2.598" (66.00mm) 31.5 µH - Nanocrystalline Ungapped - - - - Uncoated 1681.0 - - - 0.071" (1.81mm) 0.945" (24.00mm)
TX102/66/15-3C90

TX102/66/15-3C90

FERRITE CORE TOROID 3C90

Ferroxcube

1,432
TX102/66/15-3C90

Datasheet

- Bulk Active Toroid - 4.031" (102.40mm) - - 3C90 - - - - - Epoxy - - - 0.602" (15.30mm) - -
B65982Q0100K095

B65982Q0100K095

FERRITE CORE PQ 100NH N95

EPCOS - TDK Electronics

3,797
B65982Q0100K095

Datasheet

PQ65/60 Bulk Active PQ PQ 65 x 60 - 100 nH ±10% N95 Distributed Gapped - 3000 0.228 137.0 Uncoated 171.0 81950.0 531.0 1.181" (30.00mm) 2.559" (65.00mm) 1.772" (45.00mm)
8995151521

8995151521

FERRITE CORE EFD 95 SET

Fair-Rite Products Corp.

1,688
8995151521

Datasheet

- Bulk Active EFD - - - ±25% 95 Ungapped - 3000 223.0 34.4 Uncoated 15.4 531.0 12.7 0.295" (7.50mm) - 0.183" (4.65mm)
B66317G0500X127

B66317G0500X127

FERRITE CORE E N27 1PC

EPCOS - TDK Electronics

4,051
B66317G0500X127

Datasheet

E25/13/7 Box Active E E 25 x 13 x 7 - - - N27 Gapped - - - - Uncoated - - - 0.504" (12.80mm) 0.984" (25.00mm) 0.295" (7.50mm)
5977000501

5977000501

FERRITE CORE TOROID 77

Fair-Rite Products Corp.

2,193
5977000501

Datasheet

- Bulk Active Toroid - 0.825" (20.96mm) - ±25% 77 Ungapped - 2000 - 52.0 Uncoated 46.0 2360.0 - 0.468" (11.89mm) - -
7898400321

7898400321

FERRITE CORE E SET

Fair-Rite Products Corp.

1,812
7898400321

Datasheet

- Bulk Active E - - - ±25% - Ungapped - 2400 33.0 26.1 Uncoated 79.0 2060.0 79.0 0.224" (5.70mm) 0.858" (21.80mm) -
B66483G0000X187

B66483G0000X187

FERRITE CORE EQ N87 1PC

EPCOS - TDK Electronics

1,479
B66483G0000X187

Datasheet

EQ20/6.3/14 Box Active EQ EQ 20 x 6 - - - N87 Ungapped - - - - Uncoated - - - 0.248" (6.30mm) 0.787" (20.00mm) 0.551" (14.00mm)
B66281K0000X192

B66281K0000X192

FERRITE CORE I N92

EPCOS - TDK Electronics

4,963
B66281K0000X192

Datasheet

I14/1.5/5 Bag Active I I 14 x 1.5 x 5 - - - N92 Ungapped - - - - Uncoated - - - 0.059" (1.50mm) 0.551" (14.00mm) 0.197" (5.00mm)
EFD12/6/3.5-3F46-S

EFD12/6/3.5-3F46-S

FERRITE CORE EFD 3F46 2PC SET

Ferroxcube

3,375
EFD12/6/3.5-3F46-S

Datasheet

- Bulk Active EFD EFD 12 x 6 x 3.5 - - ±25% 3F46 Ungapped 657.0 - 2.5 28.5 Uncoated 11.4 325.0 10.7 0.244" (6.20mm) 0.492" (12.50mm) 0.138" (3.50mm)
EC41/19/12-3C94

EC41/19/12-3C94

FERRITE CORE EC 3C94

Ferroxcube

4,988
EC41/19/12-3C94

Datasheet

- Bulk Active EC EC 41 x 19 x 12 - - - 3C94 - - - - - Uncoated - - - 0.768" (19.50mm) 1.638" (41.60mm) 0.457" (11.60mm)
TX26/15/20-3C94

TX26/15/20-3C94

FERRITE CORE TOROID 3C94

Ferroxcube

1,815
TX26/15/20-3C94

Datasheet

- Bulk Active Toroid TX 26 x 15 x 20 1.061" (26.95mm) - ±25% 3C94 Ungapped 2300.0 - 0.538 60.1 Epoxy 112.0 6720.0 - 0.827" (21.00mm) - -
B65807P0000R087

B65807P0000R087

FERRITE CORE RM 3UH N87 2PCS

EPCOS - TDK Electronics

1,110
B65807P0000R087

Datasheet

RM6 Box Active RM RM 6 LP - 3 µH -20%, +30% N87 Ungapped 1390.0 2200 0.58 21.8 Uncoated 37.5 820.0 31.2 0.177" (4.50mm) 0.701" (17.90mm) 0.323" (8.20mm)
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