Apply These 7 Secret Techniques To Improve Design Points Of Small Pitch Connectors
A closer look at the connector market, there is a connector market demand accounted for a large proportion, that is, board-to-board connectors. Board-to-board connectors are not only the strongest transmission capacity of all the connectors, but also play a role in many fields, the scope of application is very broad. With the development of science and technology, the precision requirements of electronic product parts are getting higher and higher, and the limited internal space is getting smaller and smaller, so it needs smaller and more precise connectors to meet the internal requirements. So this also gives the board to board connector manufacturers to provide a difficult problem, not only to quantify to meet the urgent needs of enterprises, the quality should also be strictly controlled.
At the same time, electronic engineers have also put their attention to the board to board connectors, this kind of space-saving, weight reduction, outflow of more excess volume of design could help them put energy into research.
However, there is no doubt that the connector volume becomes smaller to enhance the connector design and production difficulties, specifically in two areas:
1, Precision size changes make the connector tolerable error becomes smaller, the accuracy of the design requirements increase.
2, Low mechanical strength, easy to be damaged by improper use.
Owing to the increase in design and production difficulties, so it is also more stringent quality control of the manufacturing process, so what kind of quality is in line with the precision board-to-board connectors?
Generally speaking, in order to ensure the product performance of small pitch connectors, the manufacturers need to use imported special A-grade copper, to ensure high conductivity, ductility, wear resistance and other excellent performance, from the source to control the good quality.
Secondly, the precision of the mould components up to 0.002mm, to ensure that the production of product error, product precision pitch up to 0.3mm. There is also the choice of precision and professional production equipment, strict quality control in order to ensure excellent product performance.
The following is the test and inspection that manufacturers should do in the production of board-to-board connectors.
1. Observe the voltage of the board-to-board connector, not more than 50% of the rated voltage.
2. For through-hole connector, soldered to the PCB on the length of the soldering feet required to expose the PCB part of the board is greater than 0.5mm.
3. In the case of the PCB space allows the use of models with aligment pins, so that it is convenient for the need for manual welding operation and to avoid possible move during soldering.
4. Whether there is anti-dumbing design.
5. Check whether the materials used in the connector contain lead.
6. In the low current and voltage environment, small board-to-board connectors are prone to film resistance affecting the signal, so it is recommended to use gold-plated silver-plated board-to-board connectors.
7. Carefully observe the board-to-board connector mating height, must be large dry PCB around the component welding height, under the premise of ensuring greater than to ensure that there is a certain margin to ensure that there is no interference, because the PCB welding components more or less there may still be a point of height error.
