Currently, the United States has sixteen territories, five of which are permanently inhabited: Puerto Rico, Guam, Northern Mariana Islands, the U.S. Virgin Islands, and American Samoa. They are classified as unincorporated territories.
Not shown here, are even smaller chip capacitors of 01005 (0402 metric) and 0201 (0603 metric) sizes. Surface-mount capacitor. Surface-mount technology (SMT) is a method for producing electronic circuits in which the components are mounted or placed directly onto the surface of printed circuit boards (PCBs). An electronic device so made is called a surface-mount device (SMD). In the industry it has largely replaced the through-hole technology construction method of fitting components with wire leads into holes in the circuit board.
The automated SMT assembly price varies as per bill of materials (BOM) lines and component types. Although the majority of factors are taken into account while computing the automated SMT assembly price, the fine rate depends on the number of BOM lines.If there are more BOM lines, then more parts need to be placed on the PCB, which requires more process time, which can increase the cost of assembly.or example, lead-less components such as QFN, BGA can increase the costs. Also, the package sizes such as 0201, 1206 can change the price. Double-sided automated SMT assembly leads to a considerable increase in rates due to duplication of the whole process of placing the components on both sides of the circuit board.