The packaging of resistance refers to the shape and size of the resistance body, which is usually represented by letters or numbers. Understanding the resistor packaging is helpful to select and install the resistor correctly. The following is some basic information and introduction about the resistor packaging:
1、 Type and meaning of resistor packaging
There are many types of resistor packages. The following are some common types and their meanings:
1. Plug in type (Axial): This is the most basic packaging type. Its lead is axial, that is, it is led out from one end of the resistance. According to the different lengths and shapes of leads, plug-in resistors can be divided into multiple sub types, such as AXIAL-0.3, AXIAL-0.4, AXIAL-0.5, etc. These subtypes primarily reflect the length and diameter of the leader.
2. SMD: Compared with plug-in type, the lead of SMD resistor is horizontal, that is, parallel to the plane of the resistor. This package is more compact and suitable for surface mount technology (SMT). SMD resistors also have multiple sub types, such as RCO303, RCO310, RC0805, RC0603, etc. These sub types correspond to different sizes and resistance ranges.
3. Other types: In addition to plug-in type and patch type, there are also some special packaging types, such as Metal Film Thru Hole. These types are usually used for specific application scenarios or requirements.
2、 Resistance package and size
In resistance packaging, size is one of the most important parameters. Common resistance package dimensions are expressed in imperial system (such as 0402, 0603, 0805) and metric system (such as 1206, 1210, 2010). Wherein, "0402" represents inch size, equivalent to 1005 of metric size; "0603" represents the imperial size, equivalent to 1608 of the metric size. By knowing the size of the resistor, it is easy to select and install the resistor.
3、 Resistance packaging and performance
In addition to size and lead type, resistance packaging is also related to some performance factors. For example, plug-in resistors may have better heat dissipation performance, while chip resistors may be more suitable for high-density integration. In addition, different packaged FAN7601GX There may also be differences in the price of resistors, so it is necessary to select the appropriate resistor packaging according to the actual application needs and cost budget.
4、 Summary and precautions
When selecting and using resistors, the following points should be noted:
● Select appropriate resistance packaging type and size according to actual circuit design and requirements.
● Pay attention to the differences and application scenarios between resistors of different packaging types.
● During installation, ensure that the resistance is correctly aligned and firmly fixed to avoid poor contact or damage.
● For circuit design with special application scenarios or high reliability requirements, high-performance or specially packaged resistors can be considered.
In conclusion, it is of great significance to understand and master the packaging type, size and performance of resistors to ensure the correctness and stability of circuit design. I hope the above information can help you better understand resistance packaging and provide help in practical applications.
