Barrel is commonly used in the field of electronic components to refer to insulation sleeves used for connection and protection, or casings used to package integrated circuits. As an indispensable auxiliary component in electronic devices, it is mainly used for insulation protection of wires and cables, fixation and protection of connectors, and packaging materials for integrated circuits (ICs). The design principle of the casing is based on its insulation performance and mechanical strength, and is made of polymer materials, which can effectively prevent short circuits and wear, while providing stable and reliable physical support. The characteristics of the casing include high temperature resistance, corrosion resistance, high insulation, and good flexibility, enabling it to maintain stable performance in various environments.

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