Wires intended for higher frequency ranges require more strands of a finer gauge size than litz wires of equal cross-sectional area, but composed of fewer ......
In the realm of electrical engineering, the term "litz wire" often crops up, particularly in discussions about high-frequency applications. Litz wire, a type of multistranded wire, is designed to minimize skin effect and proximity effect losses. A crucial aspect of working with litz wire is understanding its gauge, which is typically measured in American Wire Gauge (AWG) or British Standard Wire Gauge (SWG). This article delves into the intricacies of litz wire gauge, providing a detailed table for easy reference.
Litz wire gauge plays a pivotal role in determining the wire's resistance, current-carrying capacity, and overall performance. The gauge influences the wire's skin effect and proximity effect losses, which can significantly impact the efficiency of high-frequency circuits. Understanding the litz wire gauge table is essential for selecting the right wire for your specific application.
Before diving into the table, it's crucial to understand the gauge system. AWG is a logarithmic scale, meaning each increment in gauge represents a specific percentage change in diameter. The smaller the gauge number, the larger the wire diameter. SWG, on the other hand, is a non-logarithmic scale with a larger range of sizes.

| Gauge (AWG) | Gauge (SWG) | Diameter (mm) | Conductors (for 10 AWG) |
|---|---|---|---|
| 10 | 16 | 2.59 | 7 |
| 12 | 18 | 2.05 | 7 |
| 14 | 20 | 1.63 | 7 |
| 16 | 22 | 1.30 | 7 |
| 18 | 24 | 1.02 | 7 |
| 20 | 26 | 0.81 | 7 |
| 22 | 28 | 0.64 | 7 |
| 24 | 30 | 0.51 | 7 |
| 26 | 32 | 0.40 | 7 |
The table above provides a comparison between AWG and SWG for litz wire, along with the corresponding diameter in millimeters. The last column indicates the number of conductors used in a 10 AWG litz wire. This number can vary depending on the specific application and the desired performance.
Selecting the appropriate litz wire gauge depends on several factors, including the current rating, voltage, frequency, and the desired inductance. Here are some general guidelines:
It's essential to consult the litz wire gauge table and consider these factors when selecting a litz wire. Always ensure the chosen wire meets the specific requirements of your application.

Understanding litz wire gauge is crucial for optimizing the performance of high-frequency circuits. This article provides a comprehensive guide to litz wire gauge, including a detailed table for easy reference. By understanding the litz wire gauge table and considering the specific requirements of your application, you can select the right litz wire for your needs.
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