pcb price
date：2018-11-29 16:54:00
Pcb price
Imagine if you are going to buy something, is the price of such a thing one of your priorities? Imagine now that you are a buyer, the price of the board should be your focus! Is it necessary to know what factors affect the price of the board?
Board price, do you know enough?
First, the circuit board used different materials to cause different price of the circuit board
In terms of the copper thickness of the board, the thickness of the copper varies from 1Oz to 3 Oz, all of which causes a huge price difference in the sheet material; in the case of solder resist ink, ordinary thermosetting oil and photosensitive green oil also exist. With a certain price difference, the boards made by different materials are different. The sheets generally have FR-4, CEM-3, etc. The thickness ranges from 0.6mm to 3.0mm. There are certain price of different circuit boards. difference.
Second, the difference in production process
There are many different production processes for circuit boards, and of course the price of circuit boards is varied. For example, such as gold-plated plates and tin-plated plates, the shape of the boring (milling) plate and the beer (punching) plate, the cost of forming the screen printing line and the dry film line is different, it is because of these differences that there will be a circuit board. The price is poor.
Third, the circuit board itself is different in difficulty, resulting in price difference
Take two kinds of circuit boards, the other is the same, except that the line width is different, one is greater than 0.2mm, and the other is less than 0.2mm, which will also cause different production costs, and there are completely different differences in the price of the circuit board. There is also a case where there are 1000 holes on both boards, and the hole diameter of one plate is larger than 0.6 mm and the hole diameter of the other plate is less than 0.6 mm. Different drilling costs are formed; in short, even if the materials are the same, the process is the same. However, the difficulty of the PCB itself will also result in different costs, which in turn will result in different board price differences.
Fourth, different customer requirements will also cause different board prices
If a board is IPC-A-600E, class1 requires 98% pass rate, but according to class3 requirements, it may only have a pass rate of 90%. The level of customer requirements will directly affect the yield of the board factory and cause different costs for the board factory. The price of the board is naturally changing.
Five, the circuit board manufacturers are different
The price of different circuit board manufacturers' circuit boards is different. We all like to shop around, and the price of circuit boards is the same. The prices of different manufacturers are naturally different.
6. Differences in circuit board prices caused by different payment methods
The circuit board factory will adjust the board price according to the payment method.
Seven, different regions cause the price of circuit board to be diversified
The consumption levels vary from place to place, and the price of circuit boards will also be diversified due to the region:
1, sheet costs (different plates, the cost is different)
2, drilling costs (the number of holes and the size of the hole affect the drilling costs)
3, process costs (the different process requirements of the board lead to different process difficulties, and the price of the circuit board will be different)
4, labor, water and electricity, management costs (this cost depends on the cost control of each factory)
Eight, other factors of circuit board production affect the price of the circuit board
1, to see what surface treatment process, we are common: spray lead tin (hot air leveling), OSP (environmental protection board), spray pure tin, tin, silver, gold, etc., of course, the surface technology is different, The board price will also be different.
2. It depends on the fineness of the PCB. If the line is below 4/4mil, the price of the board will be higher.
3, there is a BGA on the board, so the cost will rise relatively.
4, but also look at the process standards. Common ones are: IPC2, IPC3, enterprise standard, military standard, etc. Of course, the higher the standard, the higher the price of the circuit board.
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