When selecting connectors, you often need to pay attention to these parts in order to make them better fit with the products. As we know, there are a wide range of commonly used connectors, ranging from d-type connectors to commonly used connectors in 12 broad categories. Although there are many types of them, they all need to follow the following 14 key points in the selection, mainly including the carrying capacity, impedance matching, shielding, versatility, cost, supply conditions and other 14 standards.