Enamelled Copper Wire,0.3mm x 40m Wire Magnet Winding for DIY Motor Transformer Speaker Magnetic Coil

Surface with Insulating Layer: The copper wire is covered with a thin insulating layer that protects the windings from short circuits while the copper strands conduct electricity, when soldering, please scrape off the insulating coating on the soldered part for proper connection High-Quality Copper Material: The 0.3mm enameled wire is made of high-quality copper material with high conductivity for reliable electrical performance Durable Construction: Features high temperature resistance and good hardness, making it resistant to breaking during use and handling Versatile Applications: Can be used in physical science experiments, small generators, motors, coils, transformers, and for making small fabrications requiring fine copper wire or soldering relatively small model circuits Complete Specifications: Includes 40 meters of 0.3mm diameter enameled copper wire with withstand voltage range of 3000V to 5000V, working temperature from -25℃ to 85℃, and working humidity of 5% to 95% RH