PCB board price composition

Most electronics factory purchasing personnel have been confused by the changing price of PCB board, even if some people with many years of PCB board procurement experience may not fully understand the reason, in fact, PCB board price is composed of the following factors:

First, the different materials used in PCB board cause the diversity of prices

Taking the common double panel as an example, the plate material is generally FR-4, CEM-3, etc., the plate thickness ranges from 0.6mm to 3.0mm, and the copper thickness ranges from ½ Oz to 3Oz range, all these in the sheet material alone caused a huge price difference; In terms of solder resistance inks, there is also a certain price difference between ordinary thermosetting oil and photosensitive green oil, so the difference in materials causes the diversity of prices.

Second, the different production processes used by PCB boards cause the diversity of prices

Different production processes result in different costs. Such as gold-plated plate and spray tin plate, the production of shaped gong (milling) plate and beer (punching) plate, the use of silk screen lines and dry film lines will form different costs, leading to the diversity of prices.

Third, the price diversity caused by the different difficulty of the PCB board itself

Even if the material is the same and the process is the same, the difficulty of the PCB board itself will cause different costs. If there are 1000 holes on both PCB boards, the aperture of one board is greater than 0.6mm and the aperture of the other board is less than 0.6mm, different drilling costs will be formed; If the other two kinds of circuit boards are the same, but the line width and line distance are different, one is greater than 0.2mm, and one is less than 0.2mm, it will also cause different production costs, because the difficult board scrap rate is higher, the inevitable cost increases, resulting in price diversity.

Fourth, different customer requirements will also cause different prices

The level of customer requirements will directly affect the finished product rate of the board factory, such as a board according to IPC-A-600E, class1 requirements have 98% pass rate, but according to class3 requirements may only 90% pass rate, resulting in different costs of the board factory, and finally lead to product price variability.

Five, PCB board manufacturers caused by different price diversity

Even if the same product, but because different manufacturers process equipment, technical level is different, will form different costs, nowadays many manufacturers like to produce gold-plated plate, because the process is simple, low cost, but there are also some manufacturers to produce gold-plated plate, scrap that rise, resulting in higher costs, so they would rather produce tin-spray plate, so their tin-spray plate price is lower than gold-plated plate.

6. Price differences caused by different payment methods

At present, PCB board factories generally adjust the sustainable development price of PCB board according to the different payment methods, the range is 5%-10%, which also causes the difference in price.

Seven, different regions cause the diversity of prices

At present, from the geographical position of the country, from the south to the north, the price is increasing, and there are certain differences in different regional prices, so regional differences also cause the diversity of prices.

It is not difficult to see from the above discussion that the diversity of PCB board prices has its inherent inevitable factors, this column can only provide a rough price range for reference, of course, the specific price is still in direct contact with the manufacturer.