Surface mount resistor
In both mechanical equipment and electronic products, a resistor is needed. Although it is a very basic accessory, it is indispensable and widely used.
What is the surface mount resistor?
The surface mount resistor is one of the metal glass glaze resistors. It is a resistor made by mixing metal powder and glass glaze powder and printing on the substrate by screen printing. Resistant to humidity and high temperature, low-temperature coefficient. It can greatly save the cost of circuit space and make the design more refined. The application of SMT is very common. The proportion of electronic products assembled by SMT is more than 90%. SMT technology has been applied in China since the 1980s. With the development of small-scale SMT production equipment, the application scope of SMT is further expanded. In the fields of aviation, aerospace, instruments, machine tools, etc., SMT is also used to produce a variety of electronic products or components in small quantities.
What are the characteristics of SMR
The surface mount resistor has the advantages of small size, lightweight, high installation density, strong seismic resistor, strong anti-interference ability, and good high-frequency characteristics. It is widely used in computers, mobile phones, electronic dictionaries, medical electronic products, camcorders, electronic watt-hour meters, and VCD machines. According to its shape, SMD components can be divided into three types: rectangle, cylinder, and abnormity. There are resistors, capacitors, inductors, transistors, and small integrated circuits according to their types. The nominal method of SMD components is different from that of general components. There are three kinds of nominal methods of resistor value, but the nominal method is not the same as the general resistor.
SMR has the advantages of small size, lightweight, and high installation density. SMR can be used in mobile phones, electronic dictionaries, medical electronic products, and other fields.
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