What are the factors that affect the price of PCB?
1. The price difference caused by different materials used in PCB is based on the common double-sided board. Plates generally include fr-4, cem-3, etc., with plate thickness ranging from 0.2mm to 5.0mm, and copper thickness ranging from 0.5oz to 3oz. All of these lead to a huge price difference of the board; in the solder resist ink, there is also a certain price difference between ordinary thermosetting oil and photosensitive green oil, so the diversity of materials has caused the diversity of prices.
2. Different production processes used by PCB lead to different production processes, different prices, and different costs. For example, the production of gold-plated board and tin-sprayed board, shaped milling (grinding) board and beer (red) board, the use of silk screen printing line and dry film line will have different costs, resulting in various prices.
3. The price difference caused by the difficulty of the PCB itself Even if the materials are the same and the process is the same, the difficulty of the PCB itself will lead to different costs. For example, if there are 1000 holes on two boards, one board has a hole diameter greater than 0.6mm and the other board has a hole diameter less than 0.6mm, different drilling costs will be formed; if the two boards are the same, the line width will be different. The difference is that one is larger than 0.2mm and the other is less than 0.2mm, which also causes a difference in production costs, because the scrap rate of difficult-to-process plates is high, which inevitably increases costs, resulting in price differences.
4. Different customer requirements will also result in different prices. The level of customer demand will directly affect the plate-making rate. For example, if a board passes ipc-a-600e, the requirements of class1 have a 98% pass rate, but according to the requirements of class3, there may be only 90% pass rate, resulting in different factory costs, which eventually lead to changes in product prices.
5. The price difference caused by the pcba chip processing factory is even for the same product, but due to the different technology and equipment of the manufacturer, the technical level is different, and different costs will be formed. Now many manufacturers like to produce tin plate, because the process Simple and low cost, but some manufacturers also produce gold-plated plates, resulting in high scrap rate and high cost. Therefore, they prefer to produce HALS, so their price of HALS is lower than gold plated.
6. Price differences caused by different payment methods At present, PCBA manufacturers generally adjust PCB prices according to different payment methods, ranging from 5% to 10%, which will also cause price differences.
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