What are the common connector PIN pin types?

I. What are the common types of connector PIN pin? 1, plug-in PIN pin: industrial sockets and plugs plug-in pin technology and design knowledge. The pin is inserted into the elastic sleeve. Large header pins are made of brass, which has better mechanical properties than red copper, but it has higher resistance than red copper and silver. In addition, brass oxidizes easily. Oxidization creates greater contact resistance. The contact resistance is so high that the pins must have sufficient pressure in order to prevent the temperature rise caused. However, too much pressure makes it difficult to insert and remove the plug or socket. Plug pins have the obvious advantages of low material costs, easy to manufacture, can be very good quality control, is the IEC (ceeform) approved technology. 2, contact PIN pin pins: contact pins for industrial sockets and plugs. This type of short-circuit current tolerance is greater, but the pin material must be silver alloy, which is expensive. These pins are widely used, especially in the field of electric locomotives.

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