Product Details Portlet

B3M Long-stroke Tactile Switch

Through-hole-mounting Switches with a Long Stroke and a Sharp Click

  • Long stroke of 0.85 mm provides radically improved operability.
  • Light touch with a minimum overstroke of 0.25 mm.
  • High durability achieved with 2,000,000-operation capability.

Last order Date:Mar.31,2021

RoHS Compliant
Model 2D/3D CAD ECAD(Download symbol,FootPrint,3DCAD)
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B3M-6009 Download Download
(*) 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.
Note: This web page provides an excerpt from a datasheet. Refer to Product Datasheet and other applicable documents for more information.
List of Models
6 × 6 Models
Model   Contact material  Height   Operating force (OF)   Plunger color   Bags 
Model without ground terminal  Minimum packing unit 
B3M  Silver plated  7.3 mm  0.69 N {70 gf}  Black  B3M-6009  100 switches 
Note: Bulk Packaged, 100 switches per bag. Order in multiple of the package quantity.
Rating (resistive load) 1 to 50 mA, 3 to 12 VDC
Minimum applicable load
(reference value)
10 μA at 1 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 (initial value) 500 mΩ max.
Insulation resistance 100 MΩ min. (at 250 VDC with insulation tester)
Dielectric strength 250 VAC, 50/60Hz for 1 min
Bounce time 5 ms max.
Vibration resistance Malfunction: 10 to 55 Hz, 1.5-mm double amplitude
Shock resistance Malfunction: 100 m/s2 {approx. 10G} max.
Durability 2,000,000 operations min.
Weight Approx. 0.27 g
Degree of protection IEC IP00
Washing Not possible
(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.
Note: Unless otherwise specified, a tolerance of ± 0.4 mm applies to all dimensions. No terminal numbers are indicated on the Switches.

Operating Characteristics
Operating force (OF) 0.69±0.20 N {70±20 gf}
Releasing force (RF) 0.2 N {20 gf} min.
Pretravel (PT) 0.5 mm max.
Overtravel (OT) 0.2 mm min.


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