Coil usually refers to the wire winding in the form of a ring. The most common coil applications are: motor, inductor, transformer, ring antenna, etc. A coil in a circuit is an inductor. The guide wire is wound one by one, and the wires are insulated from each other. The insulating tube can be hollow, or it can contain iron core or magnetic powder core, which is called inductance for short. Inductance can be divided into fixed inductance and variable inductance. Fixed inductance coil is called inductance or coil for short. In terms of L, the units are Henry (H), millihenry (MH), micro Henry (Uh), 1H = 10 ^ 3mh = 10 ^ 6uh
Summary
If the plane of the coil is not parallel to the rotating plane, but intersects at a certain angle, the coil is called honeycomb coil. The number of times that the conductor bends back and forth in one revolution is often called the number of turns. The advantages of the honeycomb winding method are small volume, small distributed capacitance and large inductance. The honeycomb coil is wound by the honeycomb winding machine. The more the folding point is, the smaller the distributed capacitance is.
The volume of honeycomb coil is small, the potential capacitance is small, the inductance is large, and the Q value is high, so the tuning coil, oscillation coil and high frequency choke coil of many radios are wound in this way, the effect is better than other ways. In the factory, this kind of coil is usually made by honeycomb car.
| model code | 4v110 |
| normal power | AC:5VA DC:2.8W |
| Insulation Class | F,H |
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