綜合佈線小知識：電感器結構有哪些

详情描述：

在綜合佈線中，電感器一般由骨架、繞組、屏蔽罩、封裝材料、磁芯或鐵芯等組成。
骨架：泛指繞製線圈的支架。通常，體積較大的固定式電感器或可調式電感器，大多是將漆包線環繞在骨架上;小型電感器一般不適用固件;空心電感器則不用磁芯、骨架和屏蔽罩等。
繞組：指具有規定功能的一組線圈。繞組有單層和多層之分，單層繞組有密繞和間繞兩種形式;多層繞組則有分層平繞、亂繞、蜂房式繞法等。
磁芯與磁棒：一般採用鎳鋅鐵氧體(NX系列)或錳鋅鐵氧體(MX系列)等材料，有「工」形、柱形、「E」形、罐形等形狀。
鐵芯：主要有硅鋼片、坡莫合金等材料，其外形多為「E」形。
屏蔽層：用於避免電感器在工作時產生的磁場影響其他電路及元器件正常工作，就會為電感器增加金屬屏幕罩。
封裝材料：多採用塑料或環氧樹脂等材料，電感器繞製好後，便會用封裝材料將線圈和磁芯等密封起來。
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What are the inductor structures?
Skeleton: Refers to the bracket on which the coil is wound. Generally, 
large-volume fixed inductors or adjustable inductors mostly wrap the enameled 
wire around the frame; small inductors are generally not suitable for firmware; 
air-core inductors do not use magnetic cores, frames, and shields.
Winding: refers to a set of coils with specified functions. There are two 
types of windings: single-layer and multi-layer windings. Single-layer windings 
have two forms: close winding and indirect winding; multi-layer windings include 
layered flat winding, random winding and honeycomb winding.
Magnetic core and magnetic rod: generally use nickel-zinc ferrite (NX series) 
or manganese-zinc ferrite (MX series) and other materials, with "I" shape, 
cylindrical shape, "E" shape, pot shape and other shapes.
Iron core: mainly silicon steel sheet, permalloy and other materials, and its 
shape is mostly "E" shape.
Shielding layer: used to prevent the magnetic field generated by the inductor 
from affecting the normal operation of other circuits and components, and a 
metal screen cover will be added to the inductor.
Packaging materials: Plastic or epoxy resins are mostly used. After the 
inductor is wound, the coils and magnetic cores are sealed with packaging 
materials.
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