Mobile phone connector technology development trend.Spring needle price

　　Mobile phone connectors are an important electronic component in mobile phones, and their quality is directly related to the quality of mobile phones and the reliability of their use. "Although there are no specific statistics, we believe that the main after-sales quality problems of mobile phones are related to connectors/interconnects." said the business director of Tyco Hanzer Precision Electronics Co., Ltd. Mobile phone connectors are an important electronic component in mobile phones, and their quality is directly related to the quality of mobile phones and the reliability of their use. "Although there are no specific statistics, we believe that the main after-sales quality problems of mobile phones are related to connectors/interconnects." The types of connectors used in mobile phones vary slightly according to their products, and the average number used is about 5 Between -9, the product types can be divided into internal FPC connectors and board-to-board connectors, externally connected I/O connectors, as well as batteries, SIM card connectors, etc. The price of these connectors is about $0.5 to $2.2, with an average of $0.7. Compared to the raw material cost of the phone, which is about $50, it seems a bit insignificant.

　　Technology Trends: High Density, Small Pitch, Standardization

　　Since the appearance of the whole product using the connector is a combination of miniaturization, thinning and high performance, this also promotes the development of connector products in the direction of miniaturization and small pitch. The FPC connector is used for the connection between the LCD display screen and the driving circuit (PCB). At present, 0.5mm products are mainly used, and 0.3mm products have appeared. With the recent trend of LCD drivers being integrated into LCD devices, the number of pins of the FPC will be reduced accordingly, and related products have already appeared on the market. From a longer-term perspective, in the future, the FPC connector will be expected to be integrated with other mobile phone components and integrated on the frame of the mobile phone or its LCD module. The development trend of board-to-board connectors in mobile phones is that the pin spacing and height are getting smaller and smaller. At present, the spacing is mainly 0.5mm, and it will soon develop to 0.4mm or even smaller. The I/O connector is one of the most important in and out channels in mobile phones, including the connection of power supply and signal. Volume reduction and product standardization will be the main directions of future development. Xu John said that currently there is still a situation of "separation from the crowd" in terms of product specifications, with different standards, and some large manufacturers use their own proprietary designs. At present, circular and MiniUSB connectors are more commonly used, and it is expected to establish a unified industry standard in the future. Mobile phone manufacturers such as Nokia and SEMC have already begun to take substantial steps, and the Japanese market has emerged a kind of - I/O connector standard for CDMA products. The SIM card connector is mainly 6p, but there are also 8p and 5p products. The future development direction is mainly to improve the SIM card locking mechanism and thickness to achieve a minimum thickness of 0.50mm and a more convenient SIM card locking. mode and anti-misinsertion function.

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