From the use point of view, Phoenix terminals should achieve the following functions: the contact part must be connected, and the contact is reliable. The place where the insulation should not be conducted must be reliably insulated. There are three kinds of common fatal faults of terminals

1.固定不好

1. Poor fixation

菲尼克斯端子固定不好，轻者影响接触可靠造成瞬间断电，严重的就是产品解体。由于设计不可靠，选材错误，成型工艺选择不当，热处理，模具，装配，熔接等工艺质量差，装配不到位等都会造成固定不好。

Phoenix terminal is not fixed well, light impact contact reliable, resulting in instant power failure, serious is product disintegration. Due to unreliable design, wrong material selection, improper molding process selection, poor quality of heat treatment, mold, assembly, welding and other processes, poor assembly will cause poor fixation.

2.接触不好

2. Poor contact

菲尼克斯端子内部的金属导体是端子的核心零件，它将来自外部电线或电缆的电压，电流或信号传递到与其相配的连接器对应的接触件上，所以要具备优良的结构。由于接触件结构设计不合理，材料选用错误，热处理电镀等表面处理工艺不合理，组装不当，贮存使用环境恶劣和操作使用不当等操作，都会在接触件的接触部位和配合部位造成接触不好。

The metal conductor inside the Phoenix terminal is the core part of the terminal, which transmits the voltage, current or signal from the external wire or cable to the corresponding contact of its matching connector, so it should have excellent structure. Due to the unreasonable structure design of the contact, wrong material selection, unreasonable surface treatment process such as heat treatment and electroplating, improper assembly, bad storage and use environment, improper operation and use, poor contact will be caused at the contact and matching parts of the contact.

3.绝缘不好

3. Poor insulation

绝缘体的作用是使接触件保持正确的位置排列，并使接触件与接触件之间，接触件与壳体之间相互绝缘。由于绝缘体表面或内部存在金属多余物，表面尘埃，吸潮，长霉，绝缘材料老化等原因，都会造成短路，漏电，击穿，绝缘电阻低等绝缘不好现象。

The function of the insulator is to keep the contacts in the correct position, and to insulate the contacts and the shell from each other. Because there are metal residues on the surface or inside of the insulator, dust on the surface, moisture absorption, mildew, aging of insulating materials and other reasons, it will cause short circuit, leakage, breakdown, low insulation resistance and poor insulation.

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The above is the related content of Phoenix terminal failure introduced by Xiaobian. I hope it can help you, and more wonderful content can be directly focused on: http://www.jntongyu.com I believe you will have a different understanding.