Sealed Tactile Switch (SMT)
B3S
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 automatic mounting.
RoHS Compliant
■
List of Models
6 × 6 mm Models
Without ground terminal
Bags
Model
Operation Contact
type
material
B3S-1000
Series
Silver
plated
Height
Operating Plunger
force (OF) color
4.3 mm 1.57 N
{160 gf}
max.
2.26 N
{230 gf}
max.
Note:
■
Ivory
B3S-1000
Yellow
B3S-1002
With ground terminal
Embossed taping
Minimum
packing
unit
100 pcs
Model
Bags
Minimum
packing
unit
Model
B3S-1000P 1,000 pcs B3S-1100
B3S-1002P
100 pcs
B3S-1102
Model
Minimum
packing
unit
B3S-1100P 1,000 pcs
B3S-1102P
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
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
■
Embossed taping
Minimum
packing
unit
Operating Characteristics
Type
B3S Series
Operating force (OF)
Item
Model
1.57 N
2.26 N
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
1
B3S
■
B3S
Model Structure
Plunger
Cover
Spacer
Sealing rubber
Contact dome
Base
■
Dimensions
Note:
Fixed contact
(Unit: mm)
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.
Without Ground Terminal
B3S-1000
B3S-1002
6
3.3
dia.
PCB Pad
(Top View)
0.7
6.6
2
1
4
3
(Bottom View)
Terminal Arrangement
/Internal Connections
(Top View)
9.5
6.4
4.5
4
3
2
1
4.5
4.3
3.4
9
With Ground Terminal
6
B3S-1100
B3S-1102
1.3
0.1
3.3
dia.
0.7
0.7
PCB Pad
(Top View)
0.7
6.6
Terminal Arrangement
/Internal Connections
(Top View)
9.5
6.4
4.5
4
4.95
1.5
3.25
2
1.3
4.3
Note:
■
0.1±0.2
0.7
0.7
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.
2
1
5
1.3
3.4
9
3
4.5
0.7
B3S
B3S
• 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.
Note: Do not use this document to operate the Unit.
OMRON Corporation
Electronic and Mechanical Components Company
Contact: www.omron.com/ecb
Cat. No. A204-E1-02
1014(0207)(O)
3