A waterproof tactile switch is an electronic component that realizes circuit on/off by pressing a button, with core features of waterproof performance and miniaturized design. Its internal structure typically uses metal domes combined with a sealing structure, achieving an IP67 protection rating through processes like laser welding and overmolding, which can withstand immersion in 1 meter of water. It is mainly applied in scenarios with high waterproof requirements, such as mobile phone buttons and EV (electric vehicle) charging systems. Technological breakthroughs have enabled domestic substitution. Key term notes: - "Tactile switch" specifically refers to a pushbutton switch with tactile feedback, differentiating it from ordinary switches. - "Overmolding" denotes the secondary injection molding process, sealing components by wrapping multiple materials, a common technique for waterproof components. - In "IP67", "6" indicates dust-tightness (complete protection against dust), and "7" signifies water resistance (no water ingress after 30 minutes at 1-meter depth), a universal industry standard.
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