What are the key points to note when choosing a high current connector?

What points should you pay attention to when choosing a high-current D-SUB connector? Current Requirements: First of all, it is necessary to understand the carrying current and voltage requirements performance of high-current D-SUB connector contacts. The current load capacity of a connector is usually determined by the size of the wire and the contacts, and the voltage rating is determined by the contact spacing and insulation material, so it is necessary to ensure that the contacts conform to the size of the supporting conductor so as not to overheat.

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2. Data sheet. It is important to understand how connector manufacturers specify the rated current and operating voltage of their products. The grade and data can refer to the manufacturer's standard, but the usage standards of different manufacturers are quite different, so when checking the current rating, you must first observe the temperature rise specification of the connector. This surface is the heat dissipation value of the high-current D-SUB connector at a specific current value. 3. Termination type. Because of the many types of termination of connectors, solder contacts are used, which helps keep dirt and moisture out. The other is crimping, which is convenient for on-site maintenance, such as compressing terminals for winding connection, direct connection, loop connection, eye connection, etc. Furthermore, the type of termination of the connector required depends on the size, type, and voltage and current of the cable. 4. Mechanical and environmental performance. Since the use of connectors is affected by various application environments such as moisture, temperature, vibration and impact, it is necessary to be very cautious when selecting high-current D-SUB connectors, and clarify the mechanical, environmental performance and shell type of high-current D-SUB connectors to ensure reliable connection performance and avoid the influence of adverse factors such as short circuits. 5. Cost status. Because the price of high-current D-SUB connectors is mainly determined by the hardware itself, the manpower and materials for assembly and maintenance. Therefore, don't covet petty gains. Choosing a cheap high-current D-SUB connector must be decided according to many aspects such as cost.

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