B3FS-4 Datasheet by Omron Electronics Inc-EMC Div

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SMD Tactile Switch B3FS-4 1
SMD Tactile Switch
B3FS-4
12 × 12-mm Surface-mounting
Switches for High-density
Mounting
• Surface-mounting device of B3F-4000 series.
• Distinctive snapping action and extended mechanical/electrical
durability.
• Available in embossed taping packages for automatic mounting.
• B32-series Key Tops mount to models with projected plungers.
Ordering Information
List of Models
12 × 12 mm Models
Note: Order in multiples of the minimum order unit. Switches are not sold individually.
Specifications
Ratings/Characteristics
Operating Characteristics
RoHS Compliant
Type Contact material Plunger type Height Operating force (OF) Plunger color Embossed taping
Model Minimum packing unit
B3FS-4000 Series Silver plated
4.3 mm
1.47 N
Black
B3FS-4002P
1,000
2.55 N B3FS-4005P
7.3 mm
1.47 N B3FS-4052P
500
2.55 N B3FS-4055P
Rating (resistive load) 1 to 50 mA, 3 to 24 VDC
Minimum applicable load (reference value) 10 µA at 1 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 (initial value) 100 mΩ max.
Insulation resistance 100 MΩ (at 250 VDC with insulation tester)
Dielectric strength 500 VAC 50/60 Hz for 1 min
Vibration resistance Malfunction: 10 to 55 Hz, 1.5-mm double amplitude
Shock resistance Destruction: 1,000 m/s2 {approx. 100 G} max.
Malfunction: 100 m/s2 {approx. 10 G} max.
Durability 3,000,000 operations min. (OF: 1.47 N {150 gf})
1,000,000 operations min. (OF: 2.55 N {260 gf})
Weight Approx. 1 g
Degree of protection IEC IP00
Washing Not possible
Type B3FS-4000 Series
Operating force (OF) 1.47 N 2.55 N
Item Model B3FS-40@2P B3FS-40@5P
Operating force (OF) 1.47±0.49 N {150±50 gf} 2.55±0.69 N {260±70 gf}
Releasing force (RF) 0.15 N {15 gf} min. 0.29 N {30 gf} min.
Pretravel (PT) 0.25±0.15 mm 0.25±0.15 mm
OITIROD Difli N? am I +63%: M A W GEO
2SMD Tactile Switch B3FS-4
Dimensions
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.
Key Tops
B32-series Key Tops are available for projected plungers. Refer to the Datasheet of B32 for details.
Precautions
Be sure to read the safety precautions common to all Tactile Switches for correct use.
2
4
1
3
(BOTTOM VIEW)
12±0.2
15
1
1
5
±0.2
12
±0.2
4.3
±0.2
0.4 max.
0.1
7.1 dia.
4
2
3
1
16.6±0.1
12±0.1
2.6
±0.1
7.4
±0.1
Flat type
B3FS-4002P
B3FS-4005P PCB Pad (Example)
(TOP VIEW)
(PCB t= 1.6)
Terminal Arrangement/
Internal Connection
(Top View)
12±0.2
15
3.853.85
1
1
5
±0.2
12
±0.2
4.3
7.3
0.4 max.
0.1
7.1 dia.
4
2
3
1
16.6±0.1
12±0.1
2.6
±0.1
7.4
±0.1
Projected type
B3FS-4052P
B3FS-4055P PCB Pad (Example)
(TOP VIEW)
(PCB t= 1.6)
Terminal Arrangement/
Internal Connection
(Top View)
Application examples provided in this document are for reference only. In actual applications, confirm equipment functions and safety before using the product.
Consult your OMRON representative before using the product under conditions which are not described in the manual or applying the product to nuclear control systems, railroad
systems, aviation systems, vehicles, combustion systems, medical equipment, amusement machines, safety equipment, and other systems or equipment that may have a serious
influence on lives and property if used improperly. Make sure that the ratings and performance characteristics of the product provide a margin of safety for the system or
equipment, and be sure to provide the system or equipment with double safety mechanisms.
OMRON Corporation
Electronic and Mechanical Components Company
Contact: www.omron.com/ecb
Cat. No. A203-E1-03
1014(0911)(O)
Note: Do not use this document to operate the Unit.

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