FLY AUTOMATION
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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
Magnetic core
The inductance of the coil depends on whether there is a core or not. Inserting ferrite core into the air core coil can increase the inductance and improve the quality of the coil.
Copper core coil: copper core coil is widely used in the ultra short wave range. The position of the copper core coil is rotated to change the inductance, which is convenient and durable.
Inductance
The inductance L represents the inherent characteristics of the coil, independent of the current. In addition to the special inductance coil (color coded inductance), the inductance is generally not specially marked on the coil, but marked with a specific name.
Inductive reactance
The size of the blocking effect of inductance coil on AC current is called inductance XL, and the unit is Ohm. Its relation with inductance L and AC frequency f is XL = 2 π FL
| model code | 0200-2 |
| normal power | AC:5VA DC:2.8W |
| Insulation Class | F,H |
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