In different circuit applications, the power connector used will be different. Depending on the application, the plating of thedin 41612 type e connectors manufacturermay also depend on the use. According to the use of the environment, there are three main ways:

1) For general applications, tin plating is common, because tin is cheaper, but the texture of tin is relatively soft, in order to ensure good contact, the need for high contact force (at least 100 grams), the number of insertion and removal is generally low, can only play a simple protective anti-corrosion effect, the working temperature is relatively low, brass or bronze tin plating working temperature can reach 110℃, Steel tinning can reach 190℃. For high insertion times, gold plating is generally required. For higher operating temperatures, other coatings are required, such as copper nickel plating up to 340 degrees, brass or bronze nickel plating up to 250 degrees.

2) For small signal applications with high reliability requirements and applications requiring small contact forces, gold plating is generally used, and gold corrosion resistance is also outstanding. Nickel is generally used as the bottom layer of gold plating, and most steel contacts are plated with nickel (copper must be plated first). Palladium has a lower electrical conductivity than gold and is used in place of electric gilding in some limited areas. At present, the gold price continues to rise, and more and more products are plated with palladium nickel alloy. Silver-plated contacts have very good electrical conductivity, but silver is easily oxidized, so it is only used in special cases.

3) For corrosion prevention, improving connection electrical performance, reducing temperature rise and other aspects of consideration, the current din 41612 type e connectors manufacturer basically needs to be electroplated. In some special applications of high current, there is no electroplating treatment, but it is very rare.

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