County电子元器件is worthy of your trust
Shenzhen Jie Du State Technology Co., Ltd.is a PCB prototype manufacturerx19b6516n,PCB Onlinein one large multi-functional integrated modern enterprise,and devote the high-quality China PCB prototype and first-class service for the masses of customers.
Shenzhen Jie Du State Technology Co., Ltd. is specialized in Industry and agriculture,Electronic Component,PCB circuit board since established in 10 years ago.So far,our company has established its branch companies in major cities throughout the country.Formed in Guangdong Province,Shenzhen City,Futian district,Futian Road, Futian District, Shenzhen, China as the center, the radiation sales system and service network.Details:
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Layout design should pay attention to the details of the following:
Single panel:
This type of panel is usually used when the cost is low. In the layout design, sometimes the need for components or use jumper to skip the circuit board alignment. If the number is too large, consider using a double panel.
Double panel:
Double panels can be used or can not use PTH. Because the PTH board is expensive, it will be used when the complexity and density of the circuit are needed. In the layout design, the number of wires on the component surface must be kept to a minimum to ensure that the required material is readily available.
In PTH plates, plated through-holes are only used for electrical connection and are not used for component mounting. For economic and reliability reasons, the number of holes should be kept to a minimum.
To select a single panel or a double panel, it is important to take into account the surface area of the component (C), which is a suitable constant ratio to the total area (S) of the printed circuit board. The installation is useful. It is noteworthy that US "usually refers to the area of the panel." Table 3-2 lists the most common printed circuit board S: C ratio range.
Adhering to the "dedication, hardworking and thrifty, struggle, innovation" spirit of enterprise, Jieduo state technologybases on long-term development, technology as the core, market-oriented, and constantly open up new areas, undertaking to provide fast, high-quality ser
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