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Tactile Switches(SMD Types)

B3S Sealed Tactile Switch (SMT)

Surface-mounting Tactile Switch for High Contact Reliability

  • Sealed construction conforming to IP67
    (IEC- 60529) provides high contact reliability in locations
    exposed to dust or water. (* Excluding the terminal section.)
  • Surface-mounting terminals for high-density mounting.
  • Ground terminal available to protect against static electricity.
  • Available in embossed taping packages for automatic mounting.

Updated Aug. 31, 2012

This web page provides an excerpt from a datasheet. Refer to Datasheet and other applicable documents for more information.

6 × 6 mm B3S-1000
Height Operating force (OF) Plunger color Without Ground Terminal With Ground Terminal
(in units of
100 Switches)
Embossed taping
(in units of 1,000
(in units of
100 Switches)
Embossed taping
(in units of 1,000
4.3 mm 1.57 N {160 gf} Ivory B3S-1000 B3S-1000P B3S-1100 B3S-1100P
2.26 N {230 gf} Yellow B3S-1002 B3S-1002P B3S-1102 B3S-1102P
Note: Switches in bags must be ordered in units of 100 Switches, and Switches on embossed taping must be ordered in units of 1,000 Switches.
Ratings 1 to 50 mA, 5 to 24 VDC (resistive load)
Ambient operating temperature -25°C to +70°C at 60%RH max. (with no icing or condensation)
Ambient operating humidity 35% to 85% (at +5 to +35°C)
Contact configuration SPST-NO
Contact resistance 100 mΩ max. (initial value) (rated: 1 mA, 5 VDC)
Insulation resistance 100 MΩ min. (at 250 VDC)
Dielectric strength 500 VAC, 50/60 Hz for 1 min
Bounce time 5 ms max.
Vibration resistance Malfunction: 10 to 55 Hz, 1.5-mm double amplitude
Shock resistance Destruction: 1,000 m/s2 {approx. 100G} max.
Malfunction: 100 m/s2 {approx. 10G} max.
Durability Standard force models (1.57 N {160 gf}): 500,000 operations min.
High-force models (2.26 N {230 gf}): 300,000 operations min.
Weight Approx. 0.3 g

Operating Characteristics
Item B3S-1 00 B3S-1 02
Operating force (OF) 1.57 N {160 gf} max. 2.26 N {230 gf} max.
Releasing force (RF) 0.2 N {20 gf} min. 0.49 N {50 gf} min.
Pretravel (PT)
0.25 +0.2 mm
(Unit: mm)
Note: . The numbers used for terminals in the following graphics are indicated in the “Bottom View” diagram below. In this diagram, the Switch is rotated so that the terminals are on the right and left-hand sides, and the OMRON logo appears the right way up.
Without Ground Terminal

With Ground Terminal
Note: Unless otherwise specified, a tolerance of ± 0.4 mm applies to all dimensions. No terminal numbers are indicated on the Switches.


Be sure to read the safety precautions common to all Tactile Switches for correct use.

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