The importance of SMT chip manufacturing in the SMT manufacturing profession is irreplaceable. Many enterprises and research and development teams that require electronic component manufacturing are not familiar with how to calculate the SMT manufacturing cost. So, how to calculate the SMT manufacturing cost? How did this price come about? This will make many friends who are not familiar with PCBA chip processing factories feel confused. In fact, the stage of SMT OEM production and processing is relatively complex, and the latest quotation will be influenced by various factors.

The editor will tell you about the calculation method of SMT processing price.

Some companies calculate one pad as one point, but there are two welding points as one point. Taking pad accounting as an example, it is to calculate the total number of pads on the PCBA board, but for some special components such as inductors, large capacitors, integrated circuits, etc., the rated power must be calculated.

Unit price of solder joints: Currently, in the market, the unit price of solder joints varies from 0.008 to 0.03 yuan per solder joint. The key factors are as follows:

1、 Process

1. Lead based processes are relatively inexpensive;

2. The lead-free process is relatively high;

3. Red glue SMT patch processing is relatively simple;

4. The double process of solder paste and red glue is relatively time-consuming.

2、 Total amount

1. The total amount of SMT chip sampling and OEM processing is relatively small, as long as the total amount is a few to dozens of pieces. This will charge for alternative processing based on the lowest consumption, and will not be calculated based on points;

2. Small batch SMT SMT SMT chip OEM production and processing of less than 1000 pieces will be calculated based on a combination of engineering costs and points;

3. Large batch SMT SMT chip OEM processing, counting points × Unit price accounting.

3、 Degree of difficulty coefficient

1. Classified by single and double sides, single side is cheaper, while double side is slightly more expensive;

2. According to the degree of precision, more refined SMT SMT chip processing, such as BGA, will be slightly more expensive;

3. Divided by the density of SMD components.

4、 Sampling

SMT chip processing order: A sample order for SMT chips within 100 pieces. The difficulty level of the board, the time of programming, and the time of machine transfer vary, and engineering fees ranging from 800 yuan to 3000 yuan are charged.

5、 Steel mesh

According to the scale of the PCB board, different specifications of steel mesh are opened. According to the precision of the chips on the PCBA board, choose an electric polished steel mesh or a regular steel mesh. The cost of steel mesh with different specifications and types is around 120-350. Of course, customers can also provide their own steel mesh.