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Automotive relay is roughly divided into plug-in relays and PCB (printed circuit board) of two kinds of type automobile relay, the plug-in cars relay main assembly in the central control box, use with wiring harness, the PCB type, volume is larger, current-carrying higher, the cost is higher, but easy to install and replace; And PCB type automobile relay is more used in automotive electronic modules, a plug-in, smaller volume, and the surrounding a greater degree of integrated electronic circuits, the cost is lower. Market demand for automobile products make relay development in the direction of the miniaturization, intelligent, big load, PCB board,etc.

According to the forecast, the 2008 global automotive relay total demand will reach 2.3 billion or so, only the PCB type automobile relay will account for about 55%, and the people of car human nature, comfortable asks is ceaseless rise, this proportion will be increasing. At the same time, consumers for car rides on the safety, comfort, and entertainment demand rising, will make the car's designers have to to improve the existing automotive electronic modules and electronic circuit or redesign, it will put forward new performance requirement of PCB type automobile relay. In addition, the traditional PCB relay switch of automotive electronic modules, is likely to be replaced by the new type of car electronic circuit solutions. All these will bring supplier technical and pricing pressure.

For the flash controller, time delay controller, in the future of automotive electronic system, designers will flash light control, time delay control functions such as the car more integrated in the main control module, making these products in the future market demand will be reduced gradually, and may be replaced with a PCB relay.