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Pogopin connector manufacturers analyze the problem of abnormal gold plating of spring pins

source:Industry News release time:2021-11-15 Article author:sznbone Popular:POGO PIN

  Pogopin connector manufacturers analyze the problem of abnormal gold plating of spring pins(图1)

  Pogopin connectors are usually made of brass, which is a very active metal. After contact with air, it will react with oxygen in the air to oxidize the surface. Therefore, pogopin spring needles must be electroplated on the surface, more common are zinc plating, gold plating, nickel plating, silver plating and so on. Let's analyze some common abnormal problems when pogopin connector pogo pin is gold-plated.

  1. The current density of pogo pin gold plating is too high

  Since the total area of the gold-plated part is incorrectly calculated and the value is greater than the actual surface area, the current of the gold-plating is too large, or the amplitude of the gold-plating during gold-plating is too small, resulting in all or part of the gold-plating in the tank crystallizing.

  2. The color of the gold-plated pogo pin is abnormal

  The color of the gold-plated layer of the pogo pin is different from the ordinary gold layer or different parts of the same auxiliary product. This is one of the most common problems in electroplating.

  3. The influence of impurities in the raw material for pogo pin gilding

  When the concentration of impurities introduced into the plating solution exceeds the tolerance of the gold plating solution, the color and brightness of the gold layer will rapidly decrease. If it is affected by organic impurities, the gold layer will appear dim. The film is black and the hair has no fixed position. If there is interference from metal impurities, the range of current density is reduced.

  In recent years, my country's science and technology have been rapidly developed, and the application range of pogopin connectors has become wider and wider. In our lives, this is best reflected in various digital devices and smart wearable devices. Such smart devices now have smart watch bracelets, smart wristbands, smart heating clothing, smart glasses, etc. These products have one thing in common, that is, for the convenience of wearing, so the volume will be small. Let us introduce the application of pogopin connector in smart wear.

  Take smart bracelets as an example. Ordinary connectors are inconvenient to use due to their own space limitations, so now most smart wearables choose to use pogopin connectors. The pogopin connector has the characteristics of stable performance, small size, small size, and convenient for fine-grained connection schemes.

  The pogopin connector used for smart wear charging is usually completed by several pogopin contacts, and the charging hole of the smart bracelet is usually behind it. Charging with contact connection is very light. Even if the contacts are not aligned, the charger can be fully aligned and matched with a slight movement. Many people know that smart bracelets are waterproof and will not enter water even if they are washed with water, so they chose the waterproof pogopin connector.


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