The shape of patch fuses_mini cooper fuse box factory_XC Electronics(Shenzhen)Corp.,LTD

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29 2024-07

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　　Surface mount fuses can be divided into the following shapes based on their appearance and installation method:

　　1. Rectangle: This is the most common shape of surface mount fuses, usually with sizes such as 0402, 0603, 0805, etc. Rectangular patch fuses are suitable for various small electronic devices, such as mobile phones, tablets, etc.

　　2. Circular: This type of patch fuse is typically used in specific applications, such as circuits that require high voltage resistance or high current. The pin design of the circular patch fuse makes it more secure and reliable during soldering.

　　3. Alien: In order to meet the needs of special circuits, some surface mount fuses are designed in irregular shapes, such as L-shaped, U-shaped, etc. These irregular fuses have unique advantages in certain specific circuit layouts and can better adapt to complex design requirements.

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　　　　1. Product certification. For example, exporting to North America requires UL or CSA certification. At present, products exported to Europe still need to comply with the RoHs directive of the European Union, which is commonly referred to as environmental certification such as SGS.　　2. The normal working current of the circuit. The working current through the fuse should not exceed 75% of the rated current of the fuse.　　3. The applied voltage applied to the fuse. Usually, patch fuses are used in portable devices, and the working voltage of the circuit is generally not high. As long as the rated voltage of the patch fuse is higher than the working voltage of the circuit, it can be used with confidence.　　4. The ambient temperature of the fuse. When applying patch fuses to portable devices, appropriate consideration should be given to the temperature rise of the fuse, that is, the reduction of the rated current of the fuse. The ambient temperature during fuse operation should be within