1-968851-1 1-968849-1 1-968853-1 Crimp ST Cable Mount TE Automotive Connectors Terminals

Take a more practical example. If a certain specification of a naked copper terminal is in accordance with the GB14048.1 Wen Sheng requirements, the current allowance of the current is 1000A (temperature rise does not exceed 60K). The current can be increased to 1080A (the temperature rise does not exceed 65K). After the silver is plated by the terminal, the current allowed to pass will become 1170A (temperature rise does not exceed 70K). Conversely, if the current remains unchanged and the terminal plating changes, how will the specifications of the terminal change? Please think about it by yourself. Do you find that the "loading ability" of the silver -plated rear terminal has improved? In fact, it should be understood that under the premise of satisfying the national standard temperature rising, the "allowable current value" of the silver -plated terminal is increased, because the silver -plated terminal can be on the silver -plated terminal can be on Run higher at a higher temperature.

Although copper silver -plated in the sulfur -containing environment, even in the atmosphere, the sulfur -containing sulfur gas -containing sulfur gas will generate silver sulfide with poor conductivity over time, as long as the sulfide is overlapped before the vulcanization is overlapped, the connecting access resistance resistance will not not occur. It will be affected by silver sulfide. Only the silver -plated terminals that have been changed for a long storage time need to be processed before the connection with the copper steak.

Of course, tin plating can avoid discoloration caused by vulcanization, but its "allowed load ability" has been reduced. For nickel plating, although its "allowable flow capacity" is the same as silver -plated, it is generally not very common. Only nickel plating will only be used in occasions that are not applicable to silver plating (including sulfur gas environment). The tightening torque is higher, so its cost is not low.

At the end of the article, we summarize: The surface of the copper terminal is tinnic or silver plated to maintain long -term stable and lower contact resistors to ensure the temperature rise and stable at the overlap. From the perspective of Wen Sheng, after silver -plated and tin -plated, the "allowable current value" is increased, which is conducive to saving precious metals.

The quality standards of pressure connection technology are becoming more and more stringent. Especially for connectors that integrate to systems that directly serve personal protection and safety, such as ABS anti -dead braking systems, airbags, emergency call systems, medical equipment, etc., quality requirements have been continuously improved.

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