... 155, QATY-180 3).Diameter of Polyurethane Enameled Round Copper Wire:Round enameled copper wire: 0.025mm-5.0mm 4). ... widely used in electrical tools,ballasts,automotive electronics,refrigerator and air conditioner compressor motors,television sets,electric stove, ... microwave ovens,various transformers,and other kinds of electronic coil motors,electrical applices. ...