How to choose terminal connectors

Terminals and connectors are two different components, they are more common parts of the power circuit, when they are combined to form a terminal connector. There are many different types of terminal connectors, how should we choose? 1.Required terminal connector functional requirements: You must understand your needs when selecting a terminal connector. For example, how many data signals are there in total? What is the current, voltage, and frequency of the terminal connector? The data signal of the terminal connector specifies whether it is an analog signal or a digital signal, or a combination of both. Because the combination of data signals will affect the type of terminal connector, pin distribution and wiring. For example, a high frequency data signal may have to be coax connected, while a low frequency pulse signal may have to be shielded. In addition, some combinations of data signals cannot be in the same connector. If the location of the high voltage leg is involved, it is highly likely that breakdown voltage and electrical clearance will need to be considered. If there is a high flow rate channel, it is very likely that multiple legs and very large power lines will be required, and a solution will likely have to be worked out, depending on special circumstances and regulations. 2.Required terminal connector voltage rating and standard voltage: Voltage rating is the most important specification for selecting a terminal connector. This is a measure of the total current that can pass through the mating end. It is ideally expressed as amperes per line. The numb of lines supply to that device can be adjusted or reduced. 3.Check the regional characteristics of the terminal connector: as the available area decreases, the size and net weight of the terminal connector decreases. However, as their ability to take on a large number of insertion and unmating frequencies is further increased, more options may have to be found in the terminal connectors, depending on the suitability of the project and the requirements of the design scheme. 4.Verify the operating temperature range of terminal connectors: While most electrical connectors are subject to extreme conditions, such as vibration and impact, cable and terminal connectors designed for extreme conditions and hazardous environments have unique features that make them resistant to vibration and shock and capable of withstanding extreme temperatures. In this way, the appropriate terminal connector can be selected according to the position of the terminal box, the heat source temperature, the operating temperature, and the number of times the terminal connectors are mated and unmated with each other. 5.Determine the stability level of the terminal connector: Stability is another key factor that must be considered when selecting a terminal connector. However, stability is a complex definition that includes many factors. Exact data is difficult to determine, but there are some MTTF standards for connectors. Can be used as a guide for all applications to select the appropriate terminal connector. 6. Ensure that the terminal connector has good natural environment sealing performance: there is a certain natural environment, which can prevent the invasion of flammable or combustible gas, vapor, dust or solution. The terminal connectors are environmentally sealed to provide reasonable protection against accidental spills. Once the required security level is determined, the IP class number can be authenticated in the IP coding system software, and it can be known whether the appropriate terminal connector has been selected. 7. Terminal connector raw materials and electroplating process: Generally, terminal raw materials and electroplating process should be considered, but because most terminals are made of polyester plastic, they have a high flame persistence flammability level. Available for terminal connectors include tin, lead, and preferably gold for most applications. The base steel plates are generally made of phosphor bronze or brass because they have excellent hardness and current-carrying properties even when exposed to high temperatures for a long time. 8. Estimated price of the terminal connector: The price of the terminal connector is usually calculated based on the price of the power socket and plug, the terminal connector and the labor cost of the cable to the terminal and inserted into the housing. Therefore, the most important specification will determine the type and size of the electrical connector. Other factors that need to be considered here include operating standard voltage, transmission line specifications, equipment, tooth force, and power circuit specifications.

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