Detailed explanation of packaging dimensions for SMT resistor 0805

In the world of electronic components, surface mount resistors are a very important component. They are widely used in various electronic products, such as communication, home appliances, automobiles, etc. There are many packaging forms for SMT resistors, among which 0805 packaging is a very common one. This article will provide a detailed introduction to the dimensions of the SMT resistor 0805 package to help everyone better understand this knowledge point

1、 What is SMT resistor 0805 packaging

SMT resistor 0805 package, also known as 0805 package resistor or 2R resistor, refers to a rectangular resistor with a size of 0.8mm x 0.5mm manufactured using SMT (surface mount technology) technology. Its pin spacing is 1.25mm, with a total of 4 pins, two of which are at one end and the other two are at the other end. Due to its compact size, easy installation and welding, it is widely used in various electronic products

2、 Dimensional parameters of SMT resistor 0805 package

1 Length: There are usually two types of packaging lengths for SMT resistor 0805, which are 3.2mm (long pin in front) and 3.7mm (short pin in front). These two sizes correspond to different resistance ranges, as follows:

-3.2mm long pin: resistance range is 1.0M Ω -1.5M Ω

-3.7mm short pin: resistance range is 1.5M Ω -2.5M Ω

2 Width: The width of the SMT resistor 0805 package is usually 0.65mm

3 Thickness: The thickness of the SMT resistor 0805 package is usually 1.5mm

4 Pin spacing: The pin spacing of the SMD resistor 0805 package is 1.25mm

3、 Application scenarios of SMT resistor 0805 packaging

The SMT resistor 0805 package is widely used in various electronic products, such as communication, home appliances, automobiles, etc., due to its small size, easy installation and welding characteristics. Here are some typical application scenarios:

1 Radio communication equipment: The SMT resistor 0805 package can be used to adjust the frequency and power of radio signals, ensuring the normal operation of communication equipment

2 Household appliances: The SMT resistor 0805 package can be used to adjust parameters such as current and voltage in household appliances, ensuring the normal operation of the equipment

3 Automotive Electronics: The SMT resistor 0805 package can be used to adjust the ignition system, fuel injection system, etc. of the car engine, ensuring the safety and performance of the car

4 Industrial automation: SMT resistor 0805 packaging can be used to regulate motors, pneumatic systems, etc. in industrial automation equipment, improving equipment efficiency and stability

As a common electronic component, the selection of size parameters for SMT resistor 0805 packaging is of great significance for the performance and stability of the equipment. I hope this article can help everyone better understand the size parameters and application scenarios of SMT resistor 0805 packaging, and provide reference for practical applications