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
B66459K0000X187

B66459K0000X187

FERRITE CORE I N87

EPCOS - TDK Electronics

567
B66459K0000X187

Datasheet

I38/4/25 Bag Active I I 38 x 4 x 25 - - - N87 Ungapped - - - - Uncoated - - - 0.150" (3.81mm) 1.500" (38.10mm) 1.000" (25.40mm)
HF60T28X13X16

HF60T28X13X16

FERRITE CORE TOROID

TDK Corporation

102
HF60T28X13X16

Datasheet

T Tray Active Toroid - 1.102" (28.00mm) - - - Ungapped - 1600 - - Epoxy - - - 0.512" (13.00mm) - -
B65811J0160A087

B65811J0160A087

FERRITE CORE RM N87 2PCS

EPCOS - TDK Electronics

376
B65811J0160A087

Datasheet

RM8 Box Active RM RM 8 - - - N87 Gapped - - 0.59 38.0 Uncoated 64.0 2430.0 55.0 0.324" (8.25mm) 0.913" (23.20mm) 0.433" (11.00mm)
B65807J0160A048

B65807J0160A048

FERRITE CORE RM 160NH N48 2PCS

EPCOS - TDK Electronics

3,786
B65807J0160A048

Datasheet

RM6 Cut Tape (CT) Active RM RM 6 - 160 nH ±3% N48 Gapped 109.0 - 0.78 28.6 Uncoated 36.6 1050.0 31.0 0.246" (6.25mm) 0.701" (17.90mm) 0.323" (8.20mm)
B65811J0000R030

B65811J0000R030

FERRITE CORE RM 5.7UH N30 2PCS

EPCOS - TDK Electronics

1,392
B65811J0000R030

Datasheet

RM8 Box Active RM RM 8 - 5.7 µH -20%, +30% N30 Ungapped 2690.0 4300 0.59 38.0 Uncoated 64.0 2430.0 55.0 0.324" (8.25mm) 0.913" (23.20mm) 0.433" (11.00mm)
B64290L0615X038

B64290L0615X038

FERRITE CORE TOROID 16.1UH T38

EPCOS - TDK Electronics

743
B64290L0615X038

Datasheet

TX25.3/14.8/15 Box Active Toroid - 1.047" (26.60mm) 16.1 µH ±30% T38 Ungapped - 10000 0.78 60.07 Epoxy 76.89 4619.0 - 0.638" (16.20mm) - -
B65501D0000R033

B65501D0000R033

FERRITE CORE P 350NH M33 2PCS

EPCOS - TDK Electronics

6,658
B65501D0000R033

Datasheet

P5.8/3.3 Box Active P (Pot Core) P 5.8 x 3.3 0.228" (5.80mm) 350 nH -20%, +30% M33 Ungapped 470.0 750 1.68 7.9 Uncoated 4.7 37.0 - 0.067" (1.70mm) - -
B66363G0000X127

B66363G0000X127

FERRITE CORE ETD N27 1PC

EPCOS - TDK Electronics

730
B66363G0000X127

Datasheet

ETD39/20/13 Box Active ETD ETD 39 x 20 x 13 - - - N27 Ungapped - - - - Uncoated - - - 0.787" (20.00mm) 1.531" (38.90mm) 0.504" (12.80mm)
PC47EPC25B-Z

PC47EPC25B-Z

FERRITE CORE EPCS 1.56UH 2PC

TDK Corporation

157
PC47EPC25B-Z

Datasheet

EPC Tray Active EPC EPC 25 - 1.56 µH ±25% PC47 Ungapped - - 1.39 46.2 Uncoated 33.3 1540.0 - 0.450" (11.45mm) 0.988" (25.10mm) 0.256" (6.50mm)
B65875B0000R087

B65875B0000R087

FERRITE CORE PQ 3.1UH N87 2PCS

EPCOS - TDK Electronics

329
B65875B0000R087

Datasheet

PQ20/16 Box Active PQ PQ 20 x 16 - 3.1 µH -20%, +30% N87 Ungapped 1430.0 2200 0.579 37.0 Uncoated 64.0 2367.0 57.6 0.319" (8.10mm) 0.807" (20.50mm) 0.551" (14.00mm)
B66457G0000X197

B66457G0000X197

FERRITE CORE ELP N97 1PC

EPCOS - TDK Electronics

784
B66457G0000X197

Datasheet

ELP32/6/20 Tray Active ELP ELP 32 x 6 x 20 - - - N97 Ungapped - - - - Uncoated - - - 0.250" (6.35mm) 1.250" (31.75mm) 0.801" (20.35mm)
B66287G0000X197

B66287G0000X197

FERRITE CORE ELP N97 1PC

EPCOS - TDK Electronics

720
B66287G0000X197

Datasheet

ELP32/6/20 Box Active ELP ELP 32 x 6 x 20 - - - N97 Ungapped - - - - Uncoated - - - 0.250" (6.35mm) 1.250" (31.75mm) 0.801" (20.35mm)
TX36/23/10-3E27

TX36/23/10-3E27

FERRITE CORE TOROID 3E+27

Ferroxcube

364
TX36/23/10-3E27

Datasheet

- Bulk Active Toroid TX 36 x 23 x 10 1.463" (37.15mm) - - 3E27 - - - - - Epoxy - - - 0.430" (10.92mm) - -
4278453509

4278453509

FERRITE CORE ROD 78

Fair-Rite Products Corp.

214
4278453509

Datasheet

- Bulk Active ROD - - - - 78 Ungapped - 2300 - - Uncoated - - - - - -
B65805C0100A033

B65805C0100A033

FERRITE CORE RM 100NH M33 2PCS

EPCOS - TDK Electronics

745
B65805C0100A033

Datasheet

RM5 Cut Tape (CT) Active RM RM 5 - 100 nH ±3% M33 Gapped 79.6 750 1.0 20.8 Uncoated 20.8 433.0 - 0.207" (5.25mm) 0.575" (14.60mm) 0.268" (6.80mm)
P9/5-3C91

P9/5-3C91

FERRITE CORE P 3C91 2PC SET

Ferroxcube

666
P9/5-3C91

Datasheet

- Bulk Active P (Pot Core) P 9 x 5 0.366" (9.30mm) - - 3C91 - - - - - Uncoated - - - 0.213" (5.40mm) - -
PC47EI30-Z

PC47EI30-Z

FERRITE CORE E 4.69UH PCS47 1SET

TDK Corporation

670
PC47EI30-Z

Datasheet

E Tray Active E - - 4.69 µH ±25% PC47 Ungapped - 2500 0.522 58.0 Uncoated 111.0 6440.0 - - 1.181" (30.00mm) 0.421" (10.70mm)
TX32/19/13-3E10-M

TX32/19/13-3E10-M

FERRITE CORE TOROID

Ferroxcube

186
TX32/19/13-3E10-M

Datasheet

- Bulk Active Toroid TX 32 x 19 x 13 1.281" (32.55mm) - ±30% - Ungapped 10000.0 - 0.99 76.0 Epoxy 76.5 5820.0 - 0.528" (13.40mm) - -
E38/8/25-3F4

E38/8/25-3F4

FERRITE CORE E 3F4

Ferroxcube

990
E38/8/25-3F4

Datasheet

- Bulk Active E E 38 x 8 x 25 - - - 3F4 - - - - - Uncoated - - - 0.325" (8.26mm) 1.500" (38.10mm) 1.000" (25.40mm)
5977001721

5977001721

FERRITE CORE TOROID 2.09UH 77

Fair-Rite Products Corp.

281
5977001721

Datasheet

- Bulk Active Toroid - 1.299" (33.00mm) 2.09 µH -30%, +25% 77 Ungapped - 2000 1.2947 76.4 Plastic 59.0 4510.0 - 0.406" (10.30mm) - -
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