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Main Coil Classification
Aug 08, 2018

Single coil

Single-layer coils are wound round and round a paper cylinder or bakelite frame with insulated wires. For example, in a transistor radio, the wave antenna coil.


If the winding coil, whose plane is not parallel to the rotating surface, but intersects at a certain Angle, this kind of coil is called honeycomb coil. The number of times a wire is bent back and forth during a rotation cycle is often called the number of folds. Honeycomb winding has the advantages of small volume, small distribution capacitance and large inductance. Honeycomb coils are made by using a honeycomb winding machine. The more points are folded, the smaller the distribution capacitance is.