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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
B66287K0000X192

B66287K0000X192

FERRITE CORE I N92

EPCOS - TDK Electronics

545
B66287K0000X192

Datasheet

I32/3/20 Tray Active I I 32 x 3 x 20 - - - N92 Ungapped - - - - Uncoated - - - 0.124" (3.15mm) 1.250" (31.75mm) 0.801" (20.35mm)
B66457K0000X197

B66457K0000X197

FERRITE CORE I N97

EPCOS - TDK Electronics

254
B66457K0000X197

Datasheet

I32/3/20 Tray Active I I 32 x 3 x 20 - - - N97 Ungapped - - - - Uncoated - - - 0.124" (3.15mm) 1.250" (31.75mm) 0.801" (20.35mm)
B64290L0647X037

B64290L0647X037

FERRITE CORE TOROID 8.5UH T37

EPCOS - TDK Electronics

902
B64290L0647X037

Datasheet

TX29/19/15 Box Active Toroid - 1.220" (31.00mm) 8.5 µH ±25% T37 Ungapped - 6500 0.96 73.78 Epoxy 76.98 5680.0 - 0.634" (16.10mm) - -
TX32/19/13-3E65

TX32/19/13-3E65

FERRITE CORE TOROID

Ferroxcube

487
TX32/19/13-3E65

Datasheet

- Bulk Active Toroid TX 32 x 19 x 13 1.281" (32.55mm) - ±25% - Ungapped 5200.0 - 0.99 76.0 Epoxy 76.5 5820.0 - 0.528" (13.40mm) - -
E42/21/20-3C92

E42/21/20-3C92

FERRITE CORE E 3C92

Ferroxcube

232
E42/21/20-3C92

Datasheet

- Bulk Active E E 42 x 21 x 20 - - - 3C92 - - - - - Uncoated - - - 0.827" (21.00mm) 1.693" (43.00mm) 0.787" (20.00mm)
0F43019UG

0F43019UG

FERRITE CORE P 8.1UH

Magnetics, a division of Spang & Co.

618
0F43019UG

Datasheet

- Bulk Active P - 1.181" (30.00mm) 8.1 µH ±25% - Ungapped - 3000 - 45.2 Uncoated 137.0 6190.0 - 0.744" (18.90mm) - -
B65651W0000R087

B65651W0000R087

FERRITE CORE P 3.6UH N87 2PCS

EPCOS - TDK Electronics

2,553
B65651W0000R087

Datasheet

P18/11 Box Active P (Pot Core) P 18 x 11 0.724" (18.40mm) 3.6 µH -20%, +30% N87 Ungapped 1630.0 2200 0.57 26.6 Uncoated 46.7 1242.0 33.9 0.209" (5.30mm) - -
B64290L0657X037

B64290L0657X037

FERRITE CORE TOROID 6.4UH T37

EPCOS - TDK Electronics

219
B64290L0657X037

Datasheet

TX30/20/12 Box Active Toroid - 1.264" (32.10mm) 6.4 µH ±25% T37 Ungapped - 6100 1.19 77.02 Epoxy 64.66 4980.0 - 0.531" (13.50mm) - -
B65491C0000Y001

B65491C0000Y001

FERRITE CORE P 25NH K1 2PCS

EPCOS - TDK Electronics

1,079
B65491C0000Y001

Datasheet

P3.3/2.6 Box Active P (Pot Core) P 3.3 x 2.6 0.132" (3.35mm) 25 nH -30%, +40% K1 Ungapped 75.0 80 3.72 5.1 Uncoated 1.37 7.0 - 0.051" (1.29mm) - -
TX39/20/13-3E12

TX39/20/13-3E12

FERRITE CORE TOROID

Ferroxcube

134
TX39/20/13-3E12

Datasheet

- Bulk Active Toroid TX 39 x 20 x 13 1.567" (39.80mm) - ±30% - Ungapped 12000.0 - 0.76 84.9 Epoxy 112.0 9513.0 - 0.535" (13.60mm) - -
P22/13/I-3F46

P22/13/I-3F46

FERRITE CORE P 3F46 2PC SET

Ferroxcube

226
P22/13/I-3F46

Datasheet

- Bulk Active P (Pot Core) P 22 x 13 0.866" (22.00mm) - - 3F46 - - - - - Uncoated - - - 0.528" (13.40mm) - -
B66461K0000X187

B66461K0000X187

FERRITE CORE I N87

EPCOS - TDK Electronics

485
B66461K0000X187

Datasheet

I43/4/28 Bag Active I I 43 x 4 x 28 - - - N87 Ungapped - - - - Uncoated - - - 0.161" (4.10mm) 1.700" (43.20mm) 1.098" (27.90mm)
B66335Q0100K187

B66335Q0100K187

FERRITE CORE E 100NH N87

EPCOS - TDK Electronics

1,226
B66335Q0100K187

Datasheet

E55/28/21 Bulk Active E E 55 x 28 x 21 - 100 nH ±10% N87 Distributed Gapped - - 0.35 124.0 Uncoated 354.0 43900.0 351.0 0.827" (21.00mm) 2.165" (55.00mm) 1.094" (27.80mm)
35T1000-00H

35T1000-00H

FERRITE CORE TOROID 4.83UH

Laird-Signal Integrity Products

7,269
35T1000-00H

Datasheet

- Bulk Active Toroid - 1.050" (26.67mm) 4.83 µH ±20% - Ungapped - 5000 - - Epoxy - - - 0.434" (11.02mm) - -
B66335Q0400K187

B66335Q0400K187

FERRITE CORE E 400NH N87

EPCOS - TDK Electronics

171
B66335Q0400K187

Datasheet

E55/28/21 Bulk Active E E 55 x 28 x 21 - 400 nH ±10% N87 Distributed Gapped - - 0.35 124.0 Uncoated 354.0 43900.0 351.0 0.827" (21.00mm) 2.165" (55.00mm) 1.094" (27.80mm)
E56/24/19-3C92

E56/24/19-3C92

FERRITE CORE E 3C92

Ferroxcube

112
E56/24/19-3C92

Datasheet

- Bulk Active E E 56 x 24 x 19 - - - 3C92 - - - - - Uncoated - - - 0.929" (23.60mm) 2.209" (56.10mm) 0.740" (18.80mm)
PC47EER40-Z

PC47EER40-Z

FERRITE CORE E 3.62UH PCS47 2PC

TDK Corporation

102
PC47EER40-Z

Datasheet

E Tray Active E EER 40 - 3.62 µH ±25% PC47 Ungapped - - 0.66 98.0 Uncoated 149.0 14600.0 - 0.882" (22.40mm) 1.575" (40.00mm) 0.524" (13.30mm)
RM12/ILP-3C95

RM12/ILP-3C95

FERRITE CORE RM 3C95 2PC SET

Ferroxcube

239
RM12/ILP-3C95

Datasheet

- Bulk Active RM RM 12 - - - 3C95 - - - - - Uncoated - - - 0.661" (16.80mm) 1.472" (37.40mm) 0.634" (16.10mm)
B65611D0000R027

B65611D0000R027

FERRITE CORE N27

EPCOS - TDK Electronics

200
B65611D0000R027

Datasheet

P36/22 Box Active - P 36 x 22 1.417" (36.00mm) - - N27 - - 2000 0.26 52.0 Uncoated 202.0 10500.0 - 0.433" (11.00mm) - -
B66344Q0100K187

B66344Q0100K187

FERRITE CORE E 100NH N87

EPCOS - TDK Electronics

185
B66344Q0100K187

Datasheet

E55/28/25 Tray Active E E 55 x 28 x 25 - 100 nH ±10% N87 Distributed Gapped - - 0.3 124.0 Uncoated 420.0 52100.0 420.0 0.984" (25.00mm) 2.165" (55.00mm) 1.094" (27.80mm)
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