连接器生产厂商星坤科技在为客户提供售前服务时，经常会碰上有些客户将连接器、接插件、端子这三者混淆，有的客户觉得这三者是同一概念，这里给大家分享下此三者的相关知识，以便大家更清楚的了解三者的联系与区别。
一、“连接器”、“接插件”、“端子”三者的概念
1.连接器，国内也称做接插件，插头和插座，一般指电器连接器，即连接两个有源器件的器件，传输电流或信号（电信号或光信号），它作用非常单纯：在电路内被阻断处或孤立不通的电路之间，架起沟通的桥梁，从而使电流流通，使电路实现预定的功能。
2.接插件指电接插件，是一种连接电子线路的定位接头，是由插件和接件两部分构成，一般的状态下是可以完全分离的，因此接插件也可以叫做连接器。
3.接线端子是用来实现电气连接的一种配件产品，是为了方便导线的连接而应用的，其实就是在一段封在绝缘塑料里面的金属片，两端都有孔，可以插入导线，接线端子可以分为插拨式接线端子，欧式接线端子等。
二、“连接器”、“接插件”、“端子”三者的从属关系
1.连接器和接插件是**大类，是个总称，区别是连接器是线与线的连接，接插件是线与板与箱的连接，在生活中常模糊的把二者指同一个类型的产品，而接线端子属于此大类产品中的一种类型。
2.通俗的理解三者的连接方式，连接器、接插件是不需要使用工具，把公头和母头一插或一拧起来就可以快速连接的电子元器件，接线端子需要用到某种工具，如螺丝刀、冷压钳才能将两个连接点连通在一起的电子产品，一般都是用于电力输入、输出等。
三、“连接器”、“接插件”、“端子”三者的应用
1.连接器主要应用在电路与电路之间的连接，是电路系统电气连接必需的核心基础元件，连接器的主要应用领域是汽车、通讯、电脑及外设、工业、军工航天，随着发展应用范围会越来越广，基本都应用在各个行业。
2.端子目前用得**广泛是PCB板端子，此外还有五金端子、螺帽端子、弹簧端子等，连接器的分类很多，有圆形连接器、矩形连接器、阶梯形连接器，端子排一般属于矩形连接器，端子排的应用范围比较单一，一般应用于电子电气领域，用于PCB线路板、印制板和配电柜的内外连线等。
其实‘’连接器”、“接插件”、‘’端子‘’三者是同属于一个概念的不同应用表现形式，是根据不同的实际应用被通俗的称呼。
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在英文中连接器和接插件均称为connector，这里英文改写为连接器和端子之间的区别。
The difference between a connector and a terminal
The connector manufactur XKB often encounter customers who confuse connectors with terminals when providing pre-sale service,even some customers think that these two concepts are the same.Here, I'd like to share some knowledge about connector and terminal, so that you can better understand the connection and difference between them.
1.The conception of connector and terminal.
a. The connector is a component that connects two active devices and transmits a current or a signal,the role of a connector is very simple,the connector bridge the communication between the blocked or isolated circuits in the circuit, so that the current flows, and the connector enables the circuit to function as intended.
b. The terminal is a kind of accessory product used to realize electrical connection and facilitate the connection of wires.It's basically a piece of metal that's enclosed in an insulating plastic, with holes at both ends that can be inserted into a wire,the terminals can be divided into plug and dial terminals, European terminals and so on.
2.The affiliation of the two connector and terminal.
The connector is the first large class, the terminal belongs to this large class,let's common understanding of the connection between the two, connectors do not need to use tools, the male head and the female head plug or a twist can be quickly connected to the electronic components, terminals need to use some tools, for example, screwdriver and cold press pliers can connect the two connecting points together, which are generally used for power input and output.
3.The application fields of connector and terminal
a. The connector is mainly applied in the connection between circuit and circuit, and is the core basic component necessary for electrical connection of circuit system. The main application fields of connector are automobile, communication, computer and peripheral equipment, industry, military industry and aerospace. With the development of application range, it will be more and more extensive, and it is basically applied in various industries.
b. The most widely used is the PCB terminal,besides, there are hardware terminal, nut terminal, spring terminal, etc.There are many types of connectors, such as round connectors, rectangular connectors, stepped connectors,the terminal block is generally a rectangular connector, the application scope of the terminal block is relatively single, generally applied in the electronic and electrical field, used for PCB circuit board, printed board and distribution cabinet internal and external connection.
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