The D-sub connector, also known as the D-sub miniature, is an analog signal interface connector. As an industry standard connector, it is the most versatile and widely used input/output connector system. In order to meet a variety of application requirements, its shell materials are becoming more and more diverse, and each material has outstanding performance characteristics. Therefore, when choosing a D-Sub connector, the choice of its shell material is also very important.
1. The die-cast metal housing of the D-Sub is usually made of zinc or lightweight zinc alloy, and is plated with a high-quality nickel or black oxide copper bottom layer to provide good EMI/RFI protection. These housings offer high reliability and are ideal for use in tough, harsh environments, and are available in multiple sizes for standard and high-density connector types, as well as a wide variety of cable exit and mounting options.
2. The metal plastic case of D-Sub has the advantages of light weight, low cost, wear resistance and good shielding effect, which can meet the requirements of the operating environment in transportation applications. Additionally, such enclosures typically have a choice of screw and snap-on types, as well as a variety of cable exit and mounting options.
3. D-Sub's plastic housing is the most economical solution, but it is not as durable as die-cast metal or metallized plastic parts, nor does it provide EMI/RFI shielding. Plastic cases are usually more suitable for applications with lower environmental strength requirements, and shock, vibration and signal interference do not need to be considered in the design.
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