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OMRON B3U Series

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B3U series ultra small tactile switch

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OMRON’s BU3 series is an ultra-small-size, 1.2mm × 3mm × 2.5mm (HxW×D), tactile switch with high contact reliability. The BU3 is the industry’s smallest switch, which allows high-density mounting on PCBs for mobile equipment, and it provides high reliability in dusty environments. Models with ground terminals are available for protection against static electricity.

Omron’s BU3 series is an ultra-small-size, 1.2mm × 3mm × 2.5mm (HxW×D), tactile switch with high contact reliability.
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Features/Applications

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Features Applications
  • Smallest class in the industry
  • Surface mounted: ideal for high-density mounting
  • Models with ground terminals are available for protection against static electricity
  • Medical equipment
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