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Litz Wire

Our range of high quality Litz Wire is great for high power high frequency projects such as induction heating, Tesla coils and wireless power applications. Made from multiple strands of individually insulated wires, Litz wire combats losses due to the skin effect in high frequency currents.

Wire is priced per meter and will be cut to the length ordered up to a maximum of 50m.

$2.61$24.66

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Description

A selection of Litz Wire designed for use in high frequency power circuits such as Induction Heaters and Tesla Coils. Litz wire helps to reduce conduction losses caused by the skin effect which forces high frequency currents to the outer surface of a conductor.

When high frequency currents flow in ordinary wire, a phenomenon known as the skin effect causes the majority of current flow to occur in just the surface of the wire. This means that there is effectively much less conducting copper which leads to heating due to resistance losses. Litz wire reduces this problem by using multiple strands of copper wire which are individually insulated from each other. Each strand of wire will carry some of the current and therefore increases the effective amount of conducting copper for a high frequency current.

This wire is ideal for winding high frequency transformers or for use in induction heater applications.

This Litz wire is made from multiple strands of solderable enamel coated copper wire (magnet wire). Soldering temperature is approximately 400°C. Most of our Litz cable also has an outer coating of USTC polyester silk and some are uncoated. The rated current for the cables is for reference only as the actual current it can safely pass will depend on many factors such as the frequency of the current and length of cable.

We also have one cable with a rectangular cross section which is ideal for winding extra high density coils. This square litz wire is rated for 20A and is coated with a polyimide film.

We also offer a custom coil winding and sample testing service.

Click here for the litz wire datasheet.

Available Sizes

Rated Current

Approximate
Diameter

Strand Diameter

Total Strands

3A

1.25mm

0.07 mm

160

3A

1.23mm

0.1 mm

75

5A

1.42mm

0.2 mm

25

6A

1.53 mm

0.15mm

60

18A

2.85mm

0.05 mm

1500

20A (Rectangular)

3.5 x 2.4 mm

0.05mm

1740

20A

2.65 mm

0.2mm

100

40A

4.4 mm

0.1mm

1000

70A

6.65 mm

0.1mm

2000

Wire is priced per meter and will be cut to the length ordered up to a maximum of 50m. If you need a longer length or a different winding configuration, please contact us for a quote. Any quantity over 10m will receive an automatic 10% discount.

Litz wire can be very difficult to solder by hand. We offer a Litz Wire Soldering service from £4.50

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