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B3FS Tactile Switch (SMT)

Surface-mounting Switches Ideal for High-density Mounting

  • Tape packing style also available
  • Allows reflow soldering
  • 3 actuator heights for design flexibility; Projected plunger versions allow installation of B32-series keytops
This web page provides an excerpt from a datasheet.
Refer to Datasheet and other applicable documents for more information.
OrderingInformationRatings / CharacteristicsDimensions
Type Plunger type Height Operating force (OF) Plunger
color		 Bag Embossed tape
Model Quantity
per
package		 Model Quantity
per
package
6 × 6 mm B3FS-1000 models
(Flat type)		 3.1mm 0.98 N {100 gf} Black



 B3FS-1000 100 B3FS-1000P 3,000
1.47 N {150 gf} Ivory B3FS-1002 B3FS-1002P
2.55 N {260 gf} Blue B3FS-1005 B3FS-1005P

(Flat type)		 4.3mm 0.98 N {100 gf} Black B3FS-1010 B3FS-1010P 1,000
1.47 N {150 gf} Ivory B3FS-1012 B3FS-1012P
2.55 N {260 gf} Blue B3FS-1015 B3FS-1015P

(Projected type)		 7.3mm 0.98 N {100 gf} Black B3FS-1050 B3FS-1050P
1.47 N {150 gf} Yellow B3FS-1052 B3FS-1052P
Note: Order in multiples of the minimum order unit. Switches are not sold individually.
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OrderingInformationRatings / CharacteristicsDimensions
Switching capacity 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 100 VDC)
Dielectric strength
 250 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 models (0.98 N {100 gf}): 1,000,000 operations min.
High-force models (1.47 N {150 gf}): 300,000 operations min.
High-force models (2.55 N {260 gf}): 100,000 operations min.
Weight B3FS-1000: Approx. 0.2 g
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OrderingInformationRatings / CharacteristicsDimensions
Note: 1. All units are in millimeters unless otherwise indicated. Unless otherwise specified, a tolerance of ±0.4 mm applies to all dimensions.
2. 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.
Flat Type
B3FS-1000
B3FS-1002
B3FS-1005
B3FS-1000P
B3FS-1002P
B3FS-1005P
B3FS:Dimensions1

Flat Type
B3FS-1010
B3FS-1012
B3FS-1015
B3FS-1010P
B3FS-1012P
B3FS-1015P
B3FS:Dimensions2

Projected Type
B3FS-1050
B3FS-1052
B3FS-1050P
B3FS-1052P
B3FS:Dimensions3

Operating Characteristics
Item
B3FS-1000
0.98N
1.47N
 2.55 N
Operating force (OF) 0.98±0.29 N
{100±30 gf}		 1.47±0.49 N
{150±50 gf}		 2.55±0.69 N
{260±70 gf}
Releasing force (RF) 0.2 N {20 gf} min. 0.49 N {50 gf} min. 0.49 N {50 gf} min.
Pretravel (PT)
0.25 +0.2 mm
-0.1


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