B3SN Sealed Tactile Switch (SMT)

Tactile Switches SMD Types: B3SN

Sealed Surface-mounting Switches
Sealed Structure for High Reliability.
Available on Embossed Tape

  • Sealed construction conforming to IP67 (IEC-60529) provides high reliability in locations exposed to dust or water. (* Excluding the terminal section.)
  • Available with ground terminals for protection against static electricity.
  • Use of a stainless-steel spring provides a crisp clicking action.
  • Gold plated version enables stable contact and insulation over long periods of time.
  • Available in embossed taping packages for automatic mounting.
  • A small package containing 100 embossed taping reels is available,in addition to the standard package.


This web page provides an excerpt from a datasheet. Refer to Product Datasheet and other applicable documents for more information. Models for which CAD data is available can be checked from the "Model list".


Data type File name Date of update
Data sheet Data sheet B3SN
Precautions Tactile Switch Safety Precautions
Selection Guide Switch Selection