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
E32/6/20/R-3C95

E32/6/20/R-3C95

FERRITE CORE E 3C95

Ferroxcube

136
E32/6/20/R-3C95

Datasheet

- Bulk Active E E 32 x 6 x 20 - - - 3C95 - - - - - Uncoated - - - 0.250" (6.35mm) 1.250" (31.75mm) 0.800" (20.32mm)
B65803P0000R049

B65803P0000R049

FERRITE CORE RM 950NH N49 2PCS

EPCOS - TDK Electronics

845
B65803P0000R049

Datasheet

RM4/LP Box Active RM RM 4 LP - 950 nH -20%, +30% N49 Ungapped 900.0 1500 1.2 17.3 Uncoated 14.5 251.0 11.3 0.154" (3.90mm) 0.433" (11.00mm) 0.181" (4.60mm)
B65531D0000R033

B65531D0000R033

FERRITE CORE P 780NH M33 2PCS

EPCOS - TDK Electronics

3,005
B65531D0000R033

Datasheet

P11/7 Tray Active P (Pot Core) P 11 x 7 0.445" (11.30mm) 780 nH -20%, +30% M33 Ungapped 620.0 750 1.0 15.9 Uncoated 15.9 253.0 - 0.130" (3.30mm) - -
B65805J0000R087

B65805J0000R087

FERRITE CORE RM 2UH N87 2PCS

EPCOS - TDK Electronics

1,626
B65805J0000R087

Datasheet

RM5 Box Active RM RM 5 - 2 µH -20%, +30% N87 Ungapped 1480.0 2200 0.93 22.1 Uncoated 23.8 526.0 18.0 0.207" (5.25mm) 0.575" (14.60mm) 0.268" (6.80mm)
B65805P0000R087

B65805P0000R087

FERRITE CORE N87 2PCS

EPCOS - TDK Electronics

1,363
B65805P0000R087

Datasheet

RM5/LP Box Active - - - - - N87 - - - - - - - - - - - -
B64290L0651X087

B64290L0651X087

FERRITE CORE TOROID 2.63UH N87

EPCOS - TDK Electronics

459
B64290L0651X087

Datasheet

TX22/14/13 Box Active Toroid - 0.917" (23.30mm) 2.63 µH ±25% N87 Ungapped - 2200 1.05 54.15 Epoxy 51.15 2789.0 - 0.543" (13.80mm) - -
B65803P0000R087

B65803P0000R087

FERRITE CORE RM 1.3UH N87 2PCS

EPCOS - TDK Electronics

1,104
B65803P0000R087

Datasheet

RM4/LP Box Active RM RM 4 LP - 1.3 µH -20%, +30% N87 Ungapped 1230.0 2200 1.2 17.3 Uncoated 14.5 251.0 11.3 0.154" (3.90mm) 0.433" (11.00mm) 0.181" (4.60mm)
B66325G0000X187

B66325G0000X187

FERRITE CORE E N87 1PC

EPCOS - TDK Electronics

2,499
B66325G0000X187

Datasheet

E42/21/15 Box Active E E 42 x 21 x 15 - - - N87 Ungapped - - - - Uncoated - - - 0.835" (21.20mm) 1.654" (42.00mm) 0.598" (15.20mm)
B62152A0004X001

B62152A0004X001

FERRITE CORE 2 HOLE 190NH K1

EPCOS - TDK Electronics

1,634
B62152A0004X001

Datasheet

MHB2-14.5/8.5/8.3 Bulk Active Multi-Hole (2) - - 190 nH ±30% K1 Ungapped - 80 0.54 15.3 Uncoated 28.4 435.0 - 0.327" (8.30mm) 0.571" (14.50mm) 0.335" (8.50mm)
ER23/3.6/13-3C92-S

ER23/3.6/13-3C92-S

FERRITE CORE ER 3C92 2PC SET

Ferroxcube

3,687
ER23/3.6/13-3C92-S

Datasheet

- Bulk Active ER ER 23 x 3.6 x 13 - - - 3C92 - - - - - Uncoated - - - 0.142" (3.60mm) 0.913" (23.20mm) 0.492" (12.50mm)
B66363G1000X187

B66363G1000X187

FERRITE CORE ETD N87 1PC

EPCOS - TDK Electronics

654
B66363G1000X187

Datasheet

ETD39/20/13 Box Active ETD ETD 39 x 20 x 13 - - - N87 Gapped - - - - Uncoated - - - 0.787" (20.00mm) 1.531" (38.90mm) 0.504" (12.80mm)
B66363G0200X187

B66363G0200X187

FERRITE CORE ETD N87 1PC

EPCOS - TDK Electronics

401
B66363G0200X187

Datasheet

ETD39/20/13 Box Active ETD ETD 39 x 20 x 13 - - - N87 Gapped - - - - Uncoated - - - 0.787" (20.00mm) 1.531" (38.90mm) 0.504" (12.80mm)
E32/6/20/R-3F36

E32/6/20/R-3F36

FERRITE CORE E 3F36

Ferroxcube

598
E32/6/20/R-3F36

Datasheet

- Bulk Active E E 32 x 6 x 20 - - - 3F36 - - - - - Uncoated - - - 0.250" (6.35mm) 1.250" (31.75mm) 0.800" (20.32mm)
RM8/I-3C95

RM8/I-3C95

FERRITE CORE RM 3C95 2PC SET

Ferroxcube

434
RM8/I-3C95

Datasheet

- Bulk Active RM RM 8 - - - 3C95 - - - - - Uncoated - - - 0.646" (16.40mm) 0.913" (23.20mm) 0.433" (11.00mm)
B65805J0250A087

B65805J0250A087

FERRITE CORE RM

EPCOS - TDK Electronics

966
B65805J0250A087

Datasheet

RM5 Bulk Active RM - - - - - Gapped - - - - Uncoated - - - - - -
C058380A2

C058380A2

FERRITE CORE TOROID 89NH HIGH FL

Magnetics, a division of Spang & Co.

1,352
C058380A2

Datasheet

- Bulk Active Toroid - 0.710" (18.03mm) 89 nH ±8% High Flux Ungapped - 125 - 41.4 Coated 23.2 960.0 - 0.280" (7.11mm) - -
B65517D0063A033

B65517D0063A033

FERRITE CORE P 63NH M33 2PCS

EPCOS - TDK Electronics

2,698
B65517D0063A033

Datasheet

P9/5 Box Active P (Pot Core) P 9 x 5 0.366" (9.30mm) 63 nH ±3% M33 Gapped 63.0 750 1.25 12.5 Uncoated 10.0 125.0 - 0.106" (2.70mm) - -
B62152A0001X001

B62152A0001X001

FERRITE CORE 2 HOLE 330NH K1

EPCOS - TDK Electronics

2,522
B62152A0001X001

Datasheet

MHB2-14.5/8.5/14.5 Bulk Active Multi-Hole (2) - - 330 nH ±30% K1 Ungapped - 80 0.31 15.3 Uncoated 49.7 760.0 - 0.571" (14.50mm) 0.571" (14.50mm) 0.335" (8.50mm)
B65805J0000Y038

B65805J0000Y038

FERRITE CORE RM 6.7UH T38 2PCS

EPCOS - TDK Electronics

1,630
B65805J0000Y038

Datasheet

RM5 Box Active RM RM 5 - 6.7 µH -30%, +40% T38 Ungapped 4950.0 10000 0.93 22.1 Uncoated 23.8 526.0 18.0 0.207" (5.25mm) 0.575" (14.60mm) 0.268" (6.80mm)
B65511A0000Y030

B65511A0000Y030

FERRITE CORE P 2UH N30 2PCS

EPCOS - TDK Electronics

2,896
B65511A0000Y030

Datasheet

P7/4 Box Active P (Pot Core) P 7 x 4 0.289" (7.35mm) 2 µH -30%, +40% N30 Ungapped 2270.0 4300 1.43 10.0 Uncoated 7.0 70.0 - 0.083" (2.10mm) - -
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