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B3FS-4 SMD Tactile Switch

Surface-mounting Switches with 12 x 12 mm size

  • Surface-mounting device of B3F-4 series.
  • Distinctive snapping action and extended mechanical/electrical durability.
  • Available in embossed taping packages for automatic mounting.
This web page provides an excerpt from a datasheet.
Refer to Datasheetand other applicable documents for more information.
OrderingInformationRatings / CharacteristicsDimensions
Type Plunger type Height Operating force (OF) Plunger color Embossed taping
Model Quantity per package
12 x 12 mm
B3FS-4002P
4.3 mm 1.47 N Black B3FS-4002P 1,000
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 to +70 degC at 60%RH max.
(with no icing or condensation)
Ambient operating humidity 35 to 85%RH (at +5 to +35 degC)
Contact configuration SPST-NO
Contact resistance 100 mΩ max. (initial value)
(rated: 1 mA, 5 VDC)
Insulation resistance 100 MΩ(at 250 VDC)
Dielectric strength 500 VAC 50/60Hz for 1min
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 3,000,000 operations min.
Weight Approx. 1 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.
Note: 2. The numbers used for terminals in the following graphics are indicated in the “Bottom View” diagram in the right. 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.
B3FS-4002P
PCB Pad (Example)
(TOP VIEW)
 Terminal Arrangement/Internal Connection
(Top View)

Operating Characteristics
Item Model
B3FS-4002P
Operatingforce (OF) 1.47±0.49N {150±50 gf}
Releasingforce (RF) 0.15 N {15 gf} min.
Pretravel (PT) 0.25±0.15 mm


Precautions
Be sure to refer to Safety Precautions on proper use.
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