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
B66484G0000X197

B66484G0000X197

FERRITE CORE ER N97 1PC

EPCOS - TDK Electronics

535
B66484G0000X197

Datasheet

ER25/6/15 Box Active ER ER 25 x 6 x 15 - - - N97 Ungapped - - - - Uncoated - - - 0.216" (5.50mm) 0.984" (25.00mm) 0.583" (14.80mm)
B65933A0000X033

B65933A0000X033

FERRITE CORE PS M33 1PC

EPCOS - TDK Electronics

2,000
B65933A0000X033

Datasheet

PS7.3/3.6 Box Active PS PS 7.35 x 3.6 0.289" (7.35mm) - - M33 Ungapped - - - - Uncoated - - - 0.142" (3.60mm) - -
B64290L0615X087

B64290L0615X087

FERRITE CORE TOROID N87

EPCOS - TDK Electronics

883
B64290L0615X087

Datasheet

TX25.3/14.8/15 Bulk Active Toroid R 25.3 x 14.8 x 15 - - ±25% N87 Ungapped - 2200 0.78 60.07 Epoxy 76.89 4619.0 - - - -
B65805J0000R041

B65805J0000R041

FERRITE CORE RM 2.6UH N41 2PCS

EPCOS - TDK Electronics

797
B65805J0000R041

Datasheet

RM5 Box Active RM RM 5 - 2.6 µH -20%, +30% N41 Ungapped 1920.0 2800 0.93 22.1 Uncoated 23.8 526.0 18.0 0.207" (5.25mm) 0.575" (14.60mm) 0.268" (6.80mm)
ETD44/22/15-3C94

ETD44/22/15-3C94

FERRITE CORE ETD 3C94

Ferroxcube

711
ETD44/22/15-3C94

Datasheet

- Bulk Active ETD ETD 44 x 22 x 15 - - - 3C94 - - - - - Uncoated - - - 0.878" (22.30mm) 1.772" (45.00mm) 0.598" (15.20mm)
PQ20/20-3F36

PQ20/20-3F36

FERRITE CORE PQ 3F36 2PC SET

Ferroxcube

510
PQ20/20-3F36

Datasheet

- Bulk Active PQ PQ 20 x 20 - - - 3F36 - - - - - Uncoated - - - 0.795" (20.20mm) 0.839" (21.30mm) 0.551" (14.00mm)
EP17-3C96

EP17-3C96

FERRITE CORE EP 3C96 2PC SET

Ferroxcube

181
EP17-3C96

Datasheet

- Bulk Active EP EP 17 - - - 3C96 - - - - - Uncoated - - - 0.661" (16.80mm) 0.709" (18.00mm) 0.433" (11.00mm)
EP20-3C96

EP20-3C96

FERRITE CORE EP 3C96 2PC SET

Ferroxcube

965
EP20-3C96

Datasheet

- Bulk Active EP EP 20 - - - 3C96 - - - - - Uncoated - - - 0.843" (21.40mm) 0.945" (24.00mm) 0.591" (15.00mm)
RM8/ILP-3C95

RM8/ILP-3C95

FERRITE CORE RM 3C95 2PC SET

Ferroxcube

1,039
RM8/ILP-3C95

Datasheet

- Bulk Active RM RM 8 - - - 3C95 - - - - - Uncoated - - - 0.457" (11.60mm) 0.913" (23.20mm) 0.433" (11.00mm)
PC47EER28L-Z

PC47EER28L-Z

FERRITE CORE E 2.52UH PCS47 2PC

TDK Corporation

158
PC47EER28L-Z

Datasheet

E Tray Active E EER 28 - 2.52 µH ±25% PC47 Ungapped - - 0.93 75.5 Uncoated 81.4 6150.0 - 0.665" (16.90mm) 1.124" (28.55mm) 0.449" (11.40mm)
EFD15/8/5-3F46-S

EFD15/8/5-3F46-S

FERRITE CORE EFD 3F46 2PC SET

Ferroxcube

1,093
EFD15/8/5-3F46-S

Datasheet

- Bulk Active EFD EFD 15 x 8 x 5 - - ±25% 3F46 Ungapped 667.0 - 2.27 34.0 Uncoated 15.0 510.0 12.2 0.295" (7.50mm) 0.591" (15.00mm) 0.183" (4.65mm)
PC95PQI16/7.8Z-12

PC95PQI16/7.8Z-12

FERRITE CORE HPQ 4.91UH 1SET

TDK Corporation

139
PC95PQI16/7.8Z-12

Datasheet

Planar Tray Active HPQ, PQD PQI 16 x 7.8 - 4.91 µH ±25% PC95 Ungapped - - 0.47 41.8 Uncoated 19.5 815.0 37.6 0.213" (5.40mm) 0.646" (16.40mm) 0.441" (11.20mm)
B65819J0000R087

B65819J0000R087

FERRITE CORE RM 2.7UH N87 2PCS

EPCOS - TDK Electronics

968
B65819J0000R087

Datasheet

RM7 Box Active RM RM 7 - 2.7 µH -20%, +30% N87 Ungapped 1520.0 2200 0.7 30.4 Uncoated 43.0 1310.0 39.0 0.265" (6.75mm) 0.799" (20.30mm) -
PC47EI25-Z

PC47EI25-Z

FERRITE CORE E 2.14UH PCS47 1SET

TDK Corporation

476
PC47EI25-Z

Datasheet

E Tray Active E - - 2.14 µH ±25% PC47 Ungapped - 2500 1.15 47.0 Uncoated 41.0 1930.0 - - 0.996" (25.30mm) -
PC47EER28-Z

PC47EER28-Z

FERRITE CORE E 2.87UH PCS47 2PC

TDK Corporation

119
PC47EER28-Z

Datasheet

E Tray Active E EER 28 - 2.87 µH ±25% PC47 Ungapped - - 0.78 64.0 Uncoated 82.1 5250.0 - 0.551" (14.00mm) 1.124" (28.55mm) 0.449" (11.40mm)
P11/7/I-3C91

P11/7/I-3C91

FERRITE CORE P 3C91 2PC SET

Ferroxcube

1,975
P11/7/I-3C91

Datasheet

- Bulk Active P (Pot Core) P 11 x 7 0.437" (11.10mm) - - 3C91 - - - - - Uncoated - - - 0.260" (6.60mm) - -
B65805C0000R048

B65805C0000R048

FERRITE CORE RM 1.8UH N48 2PCS

EPCOS - TDK Electronics

1,422
B65805C0000R048

Datasheet

RM5 Box Active RM RM 5 - 1.8 µH -20%, +30% N48 Ungapped 1430.0 - 1.0 20.8 Uncoated 20.8 433.0 - 0.207" (5.25mm) 0.575" (14.60mm) 0.268" (6.80mm)
B66483G0000X197

B66483G0000X197

FERRITE CORE EQ N97 1PC

EPCOS - TDK Electronics

401
B66483G0000X197

Datasheet

EQ20/6.3/14 Box Active EQ EQ 20 x 6 - - - N97 Ungapped - - - - Uncoated - - - 0.248" (6.30mm) 0.787" (20.00mm) 0.551" (14.00mm)
B65541W0000R087

B65541W0000R087

FERRITE CORE P 2.8UH N87 2PCS

EPCOS - TDK Electronics

928
B65541W0000R087

Datasheet

P14/8 Box Active P (Pot Core) P 14 x 8 0.563" (14.30mm) 2.8 µH -20%, +30% N87 Ungapped 1630.0 2200 0.73 21.0 Uncoated 28.7 603.0 23.6 0.167" (4.25mm) - -
B65807J0000R041

B65807J0000R041

FERRITE CORE RM 3.1UH N41 2PCS

EPCOS - TDK Electronics

718
B65807J0000R041

Datasheet

RM6 Box Active RM RM 6 - 3.1 µH -20%, +30% N41 Ungapped 1930.0 2800 0.78 28.6 Uncoated 36.6 1050.0 31.0 0.246" (6.25mm) 0.701" (17.90mm) 0.323" (8.20mm)
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