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
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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
With ground terminal
Embossed taping
Minimum
packing
unit
100 pcs
B3S-1002
Model
Bags
Minimum
packing
unit
Model
B3S-1000P 1,000 pcs B3S-1100
B3S-1002P
Embossed taping
Minimum
packing
unit
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
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Operating Characteristics
Type
B3S Series
Operating force (OF)
Item
1.57 N
2.26 N
B3S-1@00
Model
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
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