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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
B65805N0040A001

B65805N0040A001

FERRITE CORE RM 40NH K1 2PCS

EPCOS - TDK Electronics

2,989
B65805N0040A001

Datasheet

RM5 Box Active RM RM 5 - 40 nH ±3% K1 Gapped 31.8 80 1.0 20.8 Uncoated 20.8 433.0 - 0.207" (5.25mm) 0.575" (14.60mm) 0.268" (6.80mm)
5698362321

5698362321

FERRITE CORE PS SET

Fair-Rite Products Corp.

4,049
5698362321

Datasheet

- Bulk Active PS - - - ±25% - Ungapped - 2400 29.0 55.3 Uncoated 164.0 9780.0 - 0.429" (10.90mm) - -
B66461G0000X195

B66461G0000X195

FERRITE CORE ELP N95 1PC

EPCOS - TDK Electronics

1,387
B66461G0000X195

Datasheet

ELP43/10/28 Box Active ELP ELP 43 x 10 x 28 - - - N95 Ungapped - - - - Uncoated - - - 0.374" (9.50mm) 1.700" (43.20mm) 1.098" (27.90mm)
PC95EIR22/5.5/15-Z

PC95EIR22/5.5/15-Z

FERRITE CORE HER 4.15UH 1SET

TDK Corporation

4,969
PC95EIR22/5.5/15-Z

Datasheet

Planar Tray Active HER, PLT EIR 22 x 5.5 x 15 - 4.15 µH ±25% PC95 Ungapped - - 0.51 46.1 Uncoated 23.2 1070.0 36.3 0.216" (5.50mm) 0.870" (22.10mm) 0.600" (15.25mm)
HF60T31X13X19

HF60T31X13X19

FERRITE CORE TOROID

TDK Corporation

3,686
HF60T31X13X19

Datasheet

T Tray Active Toroid - - - - - Ungapped - 1600 - - Epoxy - - - 0.512" (13.00mm) - -
EP20-3C90

EP20-3C90

FERRITE CORE EP 4.435UH 3C90 2PC

Ferroxcube

2,523
EP20-3C90

Datasheet

- Bulk Active EP EP 20 - 4.435 µH ±25% 3C90 Ungapped 1840.0 - 0.52 41.1 Uncoated 78.7 3230.0 60.8 0.843" (21.40mm) 0.945" (24.00mm) 0.591" (15.00mm)
B66461K0000X192

B66461K0000X192

FERRITE CORE I N92

EPCOS - TDK Electronics

4,558
B66461K0000X192

Datasheet

I43/4/28 Bag Active I I 43 x 4 x 28 - - - N92 Ungapped - - - - Uncoated - - - 0.161" (4.10mm) 1.700" (43.20mm) 1.098" (27.90mm)
TX42/26/18-3C90

TX42/26/18-3C90

FERRITE CORE TOROID 3C90

Ferroxcube

2,219
TX42/26/18-3C90

Datasheet

- Bulk Active Toroid TX 42 x 26 x 18 1.697" (43.15mm) - - 3C90 - - - - - Epoxy - - - 0.736" (18.70mm) - -
B66325G0000X130

B66325G0000X130

FERRITE CORE E N30 1PC

EPCOS - TDK Electronics

2,433
B66325G0000X130

Datasheet

E42/21/15 Box Active E E 42 x 21 x 15 - - - N30 Ungapped - - - - Uncoated - - - 0.835" (21.20mm) 1.654" (42.00mm) 0.598" (15.20mm)
B65805J0000R097

B65805J0000R097

FERRITE CORE RM 2UH N97 2PCS

EPCOS - TDK Electronics

4,422
B65805J0000R097

Datasheet

RM5 Cut Tape (CT) Active RM RM 5 - 2 µH -20%, +30% N97 Ungapped 1480.0 2300 0.93 22.1 Uncoated 23.8 526.0 18.0 0.207" (5.25mm) 0.575" (14.60mm) 0.268" (6.80mm)
TX42/26/18-3E6

TX42/26/18-3E6

FERRITE CORE TOROID

Ferroxcube

2,453
TX42/26/18-3E6

Datasheet

- Bulk Active Toroid TX 42 x 26 x 18 1.697" (43.15mm) - ±30% - Ungapped 10000.0 - 0.769 103.0 Epoxy 134.0 13810.0 - 0.736" (18.70mm) - -
TX42/26/18-3E65

TX42/26/18-3E65

FERRITE CORE TOROID

Ferroxcube

2,002
TX42/26/18-3E65

Datasheet

- Bulk Active Toroid TX 42 x 26 x 18 1.697" (43.15mm) - ±25% - Ungapped 5200.0 - 0.769 103.0 Epoxy 134.0 13810.0 - 0.736" (18.70mm) - -
EC52/24/14-3C94

EC52/24/14-3C94

FERRITE CORE EC 3C94

Ferroxcube

1,650
EC52/24/14-3C94

Datasheet

- Bulk Active EC EC 52 x 24 x 14 - - - 3C94 - - - - - Uncoated - - - 0.953" (24.20mm) 2.055" (52.20mm) 0.528" (13.40mm)
5695302021

5695302021

FERRITE CORE PS 95 SET

Fair-Rite Products Corp.

4,029
5695302021

Datasheet

- Bulk Active PS - 1.181" (30.00mm) - ±25% 95 Ungapped - 3000 35.6 45.3 Uncoated 127.0 5750.0 - - - -
B65883A0000R087

B65883A0000R087

FERRITE CORE PQ 4.3UH N87 2PCS

EPCOS - TDK Electronics

1,244
B65883A0000R087

Datasheet

PQ40/40 Box Active PQ PQ 40 x 40 - 4.3 µH -20%, +30% N87 Ungapped 1680.0 2200 0.49 92.5 Uncoated 188.3 17430.0 159.9 0.783" (19.90mm) 1.594" (40.50mm) 1.102" (28.00mm)
B66344G0000X127

B66344G0000X127

FERRITE CORE E N27 1PC

EPCOS - TDK Electronics

2,134
B66344G0000X127

Datasheet

E55/28/25 Box Active E E 55 x 28 x 25 - - - N27 Ungapped - - - - Uncoated - - - 1.094" (27.80mm) 2.165" (55.00mm) 0.984" (25.00mm)
B64290A0022X033

B64290A0022X033

FERRITE CORE TOROID

EPCOS - TDK Electronics

4,271
B64290A0022X033

Datasheet

T42/26/13 Box Active Toroid - - - - - Ungapped - - - - Uncoated - - - - - -
B65887E1000J087

B65887E1000J087

FERRITE CORE RM N87

EPCOS - TDK Electronics

4,621
B65887E1000J087

Datasheet

RM14 Box Active RM RM 14 - - - N87 Gapped - 2200 0.35 70.0 Uncoated 200.0 14000.0 170.0 0.594" (15.10mm) 1.661" (42.20mm) 0.748" (19.00mm)
TX40/24/16-3E6

TX40/24/16-3E6

FERRITE CORE TOROID

Ferroxcube

1,296
TX40/24/16-3E6

Datasheet

- Bulk Active Toroid TX 40 x 24 x 16 1.640" (41.65mm) - ±30% - Ungapped 10000.0 - 0.769 96.3 Epoxy 125.0 12100.0 - 0.673" (17.10mm) - -
B66387G1500X127

B66387G1500X127

FERRITE CORE E N27 1PC

EPCOS - TDK Electronics

1,339
B66387G1500X127

Datasheet

E65/32/27 Box Active E E 65 x 32 x 27 - - - N27 Gapped - - - - Uncoated - - - 1.291" (32.80mm) 2.559" (65.00mm) 1.079" (27.40mm)
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