There are several types of common inductors
1. Single-layer coil
A single-layer coil is a coil of insulated wire wound around a paper tube or baklava frame.Such as the medium wave antenna coil on a transistor radio.
2. Honeycomb coil
If the plane of the coil is not parallel to the plane of rotation but intersects at an Angle, the coil is called a honeycomb coil.The number of times the wire bends back and forth as it rotates around is often called the number of points.The advantages of honeycomb winding method are small volume, small distributed capacitance and large inductance.Honeycomb coil is wound by honeycomb winding machine. The more folding points, the smaller distribution capacitance.
3.Ferrite core and iron powder core coil
The inductance of a coil is related to the presence or absence of a core.By inserting ferrite core into hollow coil, inductance and quality of coil can be increased.
4.Copper coil
Copper coil is widely used in the ultra-short wave range. It is convenient and durable to change the inductance by rotating the position of copper core in the coil.
5.Color ring inductor
The color ring inductor is an inductor with fixed inductance, which is marked by color ring just like the resistance.
6. Choke coil (choke coil)
The coil that restricts the flow of alternating current is called a choke coil, divided into a high-frequency choke coil and a low-frequency choke coil.
7. Deflection coil
The deflection coil is the load of the output level of the television scanning circuit. The deflection coil requires high deflection sensitivity, uniform magnetic field, high Q value and small volume.
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The key word for this information is： common inductor transformer principle differential selection characteristics frequency inductive inductance working Design difference resonant Definition
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