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KFC Tactile Switch
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KFC tactile switch has a beautiful appearance and small size; The contact area adopts a plastic wrapped design, which can prevent tin oil from penetrating during welding; There is a fixed bracket type that can be directly inserted into the PCB board; The grounding type is conducive to electrostatic discharge; Long life design, good tactile sensation, and multiple button options. With the advancement of technology, KFC tactile switches have also added waterproof, dustproof and other functions

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    product details

    Technical Parameters

    Rated voltage, current 50mA 12V DC
    Insulated resistance ≥100M
    Contact resistance ≤100mΩ
    Dielectric strength ≥250VAC/1min
    Endurance ≥100000
    Ambient temperature -20℃~70℃
    Action force 250±50gf
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    Description:
    The Tactile Switch, as a key component for human-machine interaction in electronic devices, is manufactured using precision stamping technology. This series of products complies with the IEC61058 international standard and has an electrical load capacity of 12V DC/50mA. The triggering stroke is 0.25 ± 0.1mm, and three operating forces of 100gf/160gf/260gf are available for selection.
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    Technical Principles and Structural Innovation
    The tactile switch achieves circuit on/off through instantaneous contact of metal spring pieces, and its core structure includes:
    Contact system: using 0.1mm thick gold-plated phosphor copper spring, contact resistance<50m Ω
    Sealing design: silicone gasket+metal shell secondary packaging, achieving IP67 protection level
    Mechanical calibration: 160 ± 20Gf standard operating force, 0.3mm stroke accuracy ± 0.05mm
    The latest developed piezoelectric switch (Piezo Switch) does not require physical contact and generates signals through the deformation of piezoelectric ceramics, with a lifespan exceeding 10 million cycles.
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    Cross industry application empirical research
    In the field of consumer electronics
    A certain brand of TWS earphones adopts a 1.6 × 1.6mm micro switch, achieving a lifespan of 2 million presses
    The directional key module of the game controller integrates a 4-way switch, with a response time of less than 5ms
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    Industrial automation scenarios
    The PLC control panel switch group has passed IEC 61058 certification and can withstand a temperature difference of -40~85 ℃
    AGV car limit switch error range ± 0.1mm
    Medical equipment breakthrough
    The insulin pump control switch has passed ISO 13485 certification, with a colony count of<5CFU/cm ²
    Surgical robot tactile feedback switch delay<1ms
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    Future technological evolution route
    Material Revolution: Graphene Contacts Reduce Contact Resistance to 15m Ω
    Energy Innovation: Self generating switch generates 0.5mJ of electricity with a single press
    Intelligent interaction: programmable force curve (50-300gf custom adjustment)

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