How should I choose a connector?

I. How should I choose a connector? : Twin-rod design thinking. In the ERNI connector series in the double rod design idea is throughout. Figuratively speaking, the double rod design can be said to "kill two birds with one stone". The optimized terminal design accommodates high-speed signal transmission and provides higher directional tolerances. In terms of inductance, capacitance, and impedance comparisons, the double pole terminal is smaller than the box terminal configuration for high-speed applications and optimized for minimal discontinuity. The twin-rod design allows multiple connectors on a board without plugging or shorting problems, eliminating the need for a large number of signals on a single connector. The simple alignment of the double pole saves space, making the connector smaller and the inspection of soldered pins simpler. Second: No col bend pin design during assembly. Traditional stamping due to improper handling will cause bending or deformation of the pin, the bending process will cause hairline cracks, from the product long-term undesirable, but also affect the circuit performance and cost. ERNI uses direct stamping of bent corners. Stamped terminals avoid the hairline cracks caused by the bending process and ensure a complete electromechanical connection. Pin coplanarity, control to a tolerance of ± 0.05mm, the surface mount pin coplanarity test to ensure the reliability of the circuit board assembly process, to ensure a good soldering, improve product quality, reduce costs. And improve the firmness of the right-angle connector to prevent the connector from being damaged due to improper operation, with "unbreakable" to describe very apt. It is particularly suitable for inkjet printer controllers and InterfaceModule interfaces. Third: high retention of surface mount design. For SMT products, it is generally recognized that the board's holding power is very poor. Is it possible that the surface mount termination of the PCB retention force than through-hole termination of low? The answer is: not necessarily. Through the design improvement is effective in improving the retention force of the PCB. If the soldering bracket, surface mounted pin holes (microvia), large solder pads can be superimposed on the three aspects to improve retention. In fact, even I/O connectors can use surface mount pins. This can be compared to the image of "rooted". Fourth: robust design. To determine the reliability of the connector, while allowing the use of flat block crimping tool, the pole plate is fixed on the shell to improve the robustness, to achieve a better manufacturing process, improve yield. In a word, "rock solid". Specific applications include positron emission tomography scanners, embedded systems in railroad cars, and more. Fifth: high-current, small-pitch design. With the automotive electronics, consumer electronics miniaturization requirements, the need to consider high current, small pitch design concept. Sixth: advanced latch design. ERNI adopts double latch design to meet different needs, positive latch is designed for strong vibration applications, which is very suitable for automobile and subway applications, and friction latch is designed for general vibration applications. The double latch double safety insurance ensures a reliable connection, and no special tools are required for on-site removal (repair/replacement) of the cable. Ideal for applications such as monitors, LED headlights and other designs.

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