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B3S Series Datasheet

Omron Electronics Inc-EMC Div

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Datasheet

1
B3S Sealed Tactile Switch (SMT)
Surface-mounting Switches with a
Sealed Structure for High Reliability.
Available on Embossed Tape
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 auto-
matic mounting.
List of Models
6 × 6 mm Models
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/Characteristics
Operating Characteristics
RoHS Compliant
Without ground terminal With ground terminal
Bags Embossed taping Bags Embossed taping
Operation
type
Contact
material Height
Operating
force (OF)
Plunger
color
Model Minimum
packing
unit
Model Minimum
packing
unit
Model Minimum
packing
unit
Model Minimum
packing
unit
B3S-1000
Series
Silver
plated
4.3 mm 1.57 N
{160 gf}
max.
Ivory B3S-1000 100 pcs B3S-1000P 1,000 pcs B3S-1100 100 pcs B3S-1100P 1,000 pcs
2.26 N
{230 gf}
max.
Yellow B3S-1002 B3S-1002P B3S-1102 B3S-1102P
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°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 form SPST-NO
Contact resistance (initial value) 100 mΩ max.
Insulation resistance 100 MΩ min. (at 250 VDC with insulation tester)
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
Degree of protection IEC IP67
Washing Possible
Type B3S Series
Operating force (OF) 1.57 N 2.26 N
Item Model 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/–0.1 mm
2
B3SB3S
Model Structure
Dimensions (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.
Precautions
Be sure to read the safety precautions common to all Tactile Switches for correct use.
Cover
Plunger
Contact dome
Fixed contact
Base
Spacer
Sealing rubber
(Bottom View)
2
4
1
3
Without Ground Terminal
B3S-1000
B3S-1002
With Ground Terminal
B3S-1100
B3S-1102
PCB Pad
(Top View)
Terminal Arrangement
/Internal Connections
(Top View)
PCB Pad
(Top View)
Terminal Arrangement
/Internal Connections
(Top View)
9
4.5
3.3
dia. 0.7
6
6.4
9.5
6.6
1.3
4.5
4
2
3
1
4.3
0.1
3.4
0.7 0.7
1.5
9
4.5
3.3
dia. 0.7
6
6.4
9.5
6.6
1.3
1.3
3.25
4.95
4.5
4
2
3
1
4.3
0.1±0.2
3.4
0.7
0.7
0.7
5
3
B3SB3S
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.
Cat. No. A204-E1-02
1014(0207)(O)
Note: Do not use this document to operate the Unit.
OMRON Corporation
Electronic and Mechanical Components Company Contact: www.omron.com/ecb

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