B3FS-4 SMD Tactile Switch

Tactile Switches SMD Types: B3FS-4
  • RoHS Compliant

12 × 12-mm Surface-mounting
Switches for High-density

  • Surface-mounting device of B3F-4000 series.
  • Distinctive snapping action and extended mechanical/electrical durability.
  • Available in embossed taping packages for automatic mounting.
  • B32-series Key Tops mount to models with projected plungers.
  • Downloadable data
  • CAD

Date of page update:


This web page provides an excerpt from a datasheet. Refer to Product Datasheet and other applicable documents for more information. You can download CAD data from the "Model list".


Data type File name Date of update
Data sheet Data sheet B3FS-4
Precautions Tactile Switch Safety Precautions
Selection Guide OMRON Switch & Connector Selection


Data type File name Date of update
White Paper Four Key Features of Omron Tactile Switches
White Paper Basics of Tactile Switches
General Knowledge of Tactile Switches


Relevant information for each model is listed. CAD data can be downloaded after logging in or registering as a member.

Model 2D/3D CAD*1 ECAD*2 Buy online Product Discontinuation
B3FS-4002P Login/Register Login/Register
In production
B3FS-4005P Login/Register Login/Register
In production
B3FS-4052P Login/Register Login/Register
In production
B3FS-4055P Login/Register Login/Register
In production
  • *1See here for 2D,3D CAD data specifications.
  • *2External site (Ultra Librarian) opens in a new window.
    Ultra Librarian uniquely created ECAD data based on the information provided by OMRON. Please note that OMRON does not guarantee the accuracy, concurrence or completeness of ECAD data.