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/s
2
{approx. 100G} max.
Malfunction: 100 m/s
2
{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
