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Copper foil coils

A copper foil inductor is wound in layers from flat copper strip. At the same inductance it offers lower DCR than a round-wire coil, and high-frequency skin effect has less influence on it.

You gain most in the bass section, where every tenth of an ohm of series resistance costs bass control. Given its size and price it is usually found in high-end crossovers, where the benefits of an air core are wanted with as little loss as possible.

1024 product(s) found
Mundorf VSCU12-1.5 Copper Foil Coil, 1.5 mH | DCR 0.07 Ω | ±3%
Mundorf | Copper foil coils

Mundorf VSCU12-1.5 Copper Foil Coil, 1.5 mH | DCR 0.07 Ω | ±3%

1.5 mH 0.07 Ω
2 pieces in stock Nov 3.
€84,90
Mundorf VSCU15-3.9 Copper Foil Coil, 3.9 mH | DCR 0.28 Ω
Mundorf | Copper foil coils

Mundorf VSCU15-3.9 Copper Foil Coil, 3.9 mH | DCR 0.28 Ω

3.9 mH 0.28 Ω
2 pieces in stock Nov 3.
€87,90
Mundorf CFC12-0.68 Copper Foil Coil, 0.68 mH | DCR 0.15 Ω
Mundorf | Copper foil coils

Mundorf CFC12-0.68 Copper Foil Coil, 0.68 mH | DCR 0.15 Ω

0.68 mH 0.15 Ω
4 pieces in stock Nov 3.
€87,90
Mundorf CFC18-8.2 Copper Foil Coil, 8.2 mH
Mundorf | Copper foil coils

Mundorf CFC18-8.2 Copper Foil Coil, 8.2 mH

8.2 mH 1.8 Ω
2 pieces in stock Nov 3.
€88,90
Mundorf VLCU12-0.47 Copper Foil Coil, 0.47 mH | DCR 0.13 Ω
Mundorf | Copper foil coils

Mundorf VLCU12-0.47 Copper Foil Coil, 0.47 mH | DCR 0.13 Ω

0.47 mH 0.13 Ω
4 pieces in stock Nov 3.
€88,90
Mundorf VSCU12-1.8 Copper Foil Coil, 1.8 mH | DCR 0.08 Ω | ±3%
Mundorf | Copper foil coils

Mundorf VSCU12-1.8 Copper Foil Coil, 1.8 mH | DCR 0.08 Ω | ±3%

1.8 mH 0.08 Ω
2 pieces in stock Nov 3.
€90,90
Mundorf VLCU18-6.8 Copper Foil Coil, 6.8 mH | DCR 1.7 Ω | ±2%
Mundorf | Copper foil coils

Mundorf VLCU18-6.8 Copper Foil Coil, 6.8 mH | DCR 1.7 Ω | ±2%

6.8 mH 1.7 Ω
2 pieces in stock Nov 3.
€92,90
Mundorf CFC12-0.82 Copper Foil Coil, 0.82 mH | DCR 0.17 Ω
Mundorf | Copper foil coils

Mundorf CFC12-0.82 Copper Foil Coil, 0.82 mH | DCR 0.17 Ω

0.82 mH 0.17 Ω
2 pieces in stock Nov 3.
€95,90
Mundorf VLCU15-2.2 Copper Foil Coil, 2.2 mH | DCR 0.5 Ω
Mundorf | Copper foil coils

Mundorf VLCU15-2.2 Copper Foil Coil, 2.2 mH | DCR 0.5 Ω

2.2 mH 0.5 Ω
4 pieces in stock Nov 3.
€95,90
Mundorf VLCU12-0.56 Copper Foil Coil, 0.56 mH | DCR 0.14 Ω
Mundorf | Copper foil coils

Mundorf VLCU12-0.56 Copper Foil Coil, 0.56 mH | DCR 0.14 Ω

0.56 mH 0.14 Ω
4 pieces in stock Nov 3.
€95,90
Mundorf VSCU15-4.7 Copper Foil Coil, 4.7 mH | DCR 0.31 Ω | ±3%
Mundorf | Copper foil coils

Mundorf VSCU15-4.7 Copper Foil Coil, 4.7 mH | DCR 0.31 Ω | ±3%

4.7 mH 0.31 Ω
2 pieces in stock Nov 3.
€95,90
Mundorf VSCU12-2.2 Copper Foil Coil, 2.2 mH | DCR 0.09 Ω | ±3%
Mundorf | Copper foil coils

Mundorf VSCU12-2.2 Copper Foil Coil, 2.2 mH | DCR 0.09 Ω | ±3%

2.2 mH 0.09 Ω
2 pieces in stock Nov 3.
€95,90
Mundorf VSCU12-2.7 Copper Foil Coil, 2.7 mH | DCR 0.1 Ω | ±3%
Mundorf | Copper foil coils

Mundorf VSCU12-2.7 Copper Foil Coil, 2.7 mH | DCR 0.1 Ω | ±3%

2.7 mH 0.1 Ω
4 pieces in stock Nov 3.
€100,90
Mundorf VSCU15-5.6 Copper Foil Coil, 5.6 mH | DCR 0.35 Ω | ±3%
Mundorf | Copper foil coils

Mundorf VSCU15-5.6 Copper Foil Coil, 5.6 mH | DCR 0.35 Ω | ±3%

5.6 mH 0.35 Ω
2 pieces in stock Nov 3.
€100,90
Mundorf CFC10-0.22 Copper Foil Coil, 0.22 mH | DCR 0.06 Ω
Mundorf | Copper foil coils

Mundorf CFC10-0.22 Copper Foil Coil, 0.22 mH | DCR 0.06 Ω

0.22 mH 0.06 Ω
2 pieces in stock Nov 3.
€100,90
Mundorf VLCU18-8.2 Copper Foil Coil, 8.2 mH
Mundorf | Copper foil coils

Mundorf VLCU18-8.2 Copper Foil Coil, 8.2 mH

8.2 mH 1.8 Ω
4 pieces in stock Nov 3.
€100,90
Mundorf VSCU12-3.3 Copper Foil Coil, 3.3 mH | DCR 0.11 Ω
Mundorf | Copper foil coils

Mundorf VSCU12-3.3 Copper Foil Coil, 3.3 mH | DCR 0.11 Ω

3.3 mH 0.11 Ω
4 pieces in stock Nov 3.
€106,90
Mundorf CFC12-1 Copper Foil Coil, 1 mH | DCR 0.19 Ω
Mundorf | Copper foil coils

Mundorf CFC12-1 Copper Foil Coil, 1 mH | DCR 0.19 Ω

1 mH 0.19 Ω
4 pieces in stock Nov 3.
€106,90
Mundorf VLCU15-2.7 Copper Foil Coil, 2.7 mH | DCR 0.56 Ω
Mundorf | Copper foil coils

Mundorf VLCU15-2.7 Copper Foil Coil, 2.7 mH | DCR 0.56 Ω

2.7 mH 0.56 Ω
2 pieces in stock Nov 3.
€106,90
Mundorf VLCU12-0.68 Copper Foil Coil, 0.68 mH | DCR 0.16 Ω
Mundorf | Copper foil coils

Mundorf VLCU12-0.68 Copper Foil Coil, 0.68 mH | DCR 0.16 Ω

0.68 mH 0.16 Ω
2 pieces in stock Nov 3.
€106,90
Mundorf VSCU15-6.8 Copper Foil Coil, 6.8 mH | DCR 0.41 Ω | ±3%
Mundorf | Copper foil coils

Mundorf VSCU15-6.8 Copper Foil Coil, 6.8 mH | DCR 0.41 Ω | ±3%

6.8 mH 0.41 Ω
2 pieces in stock Nov 3.
€106,90
Mundorf VLCU18-10 Copper Foil Coil, 10 mH | DCR 2.1 Ω | ±2%
Mundorf | Copper foil coils

Mundorf VLCU18-10 Copper Foil Coil, 10 mH | DCR 2.1 Ω | ±2%

10 mH 2.1 Ω
2 pieces in stock Nov 3.
€111,90
Mundorf CFC10-0.27 Copper Foil Coil, 0.27 mH | DCR 0.06 Ω
Mundorf | Copper foil coils

Mundorf CFC10-0.27 Copper Foil Coil, 0.27 mH | DCR 0.06 Ω

0.27 mH 0.06 Ω
2 pieces in stock Nov 3.
€111,90
Mundorf VLCU12-0.82 Copper Foil Coil, 0.82 mH | DCR 0.17 Ω
Mundorf | Copper foil coils

Mundorf VLCU12-0.82 Copper Foil Coil, 0.82 mH | DCR 0.17 Ω

0.82 mH 0.17 Ω
4 pieces in stock Nov 3.
€116,90
Read more: Copper foil coils

A copper foil inductor is wound in layers from flat copper strip. At the same inductance it offers lower DCR than a round-wire coil, and high-frequency skin effect has less influence on it.

You gain most in the bass section, where every tenth of an ohm of series resistance costs bass control. Given its size and price it is usually found in high-end crossovers, where the benefits of an air core are wanted with as little loss as possible.