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Omron Product News

Omron B3W-9 Series Illuminated Tactile Switch

Compact switch with 1 or 2 LEDs and three-color illumination

B3W-9 series of SPST-NO (momentary) configuration LED illuminated tactile switches. The switches are available in red, yellow, blue, green and bright green LED’s. The keycaps utilize a proprietary diffusion panel to deliver uniform brightness across the entire surface and are available in color matched transparent or translucent white versions. The B3W-9 is available in one, two or three- color light models. The “tri-color” is accomplished when the red and green LEDs are simultaneously illuminated beneath the white keycap, producing the third color, orange. Omron B3W-9 Illuminated Tactile Switch

The switch utilizes Omron’s proven B3W switching mechanism creating a space saving 10mm x 10mm key cap area with a low profile of 11mm height. They have the same footprint as the B3W with the exception of the added LED connections on the PCB. The B3W-9000 has an operating force of 160gf typical with a service life of 1,000,000 minimum while the B3W-9002 has an operating force of 230gf typical with a service life of 300,000 minimum. The contacts have a restive load rating of 5 through 24 VDC at 1 to 50mA while operating in a temperature range of –25 to +70 degrees C in 35 to 85% humidity without icing or condensation.

This series of switches is fully RoHS compliant and features a dust tight switching mechanism. These switches are ideal for use in applications requiring visual feedback confirming operation including test and measurement, office automation, amusement, industrial controls and medical devices.

Part Number View Inventory
B3W Illuminated Tactile Switch


  • Bright, Uniform illumination in SPST-NO (momentary) configuration
  • Keycap option includes LED color match, transparant or opaque white
  • Monocolor illumination, with 1 or 2 LED's
  • Tricolor operation possible - - Red + Green LED's produce Orange when used with white cap
  • Dust tight internal switch mechanism
  • RoHS Compliant

See also:
B3W-9 Series Datasheet (.pdf) for more product information, specifications, applications and ordering information.

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