Tactile Switch (SMD)
B3SN
Compact Surface Mount Tactile Switch
with Sealed Construction
• Sealed construction conforming to IP67 (IEC-60529) provides
high reliability in locations exposed to dust or water.
• Available with ground terminals for protection against static
electricity.
• Use of a stainless-steel spring provides a crisp clicking action.
• Gold plated version enables stable contact and insulation over
long periods of time.
• Available in embossed taping package for automatic insertion.
• RoHS Compliant
Ordering Information
Model
Without ground terminal
With ground terminal
Bags
Embossed Tape
(3,000 per reel)
Bags
(100 per bag)
Embossed Tape
(3,000 per reel)
Switch height
Operating force
Standard
(100 per bag)
3.1 mm
160g B3SN-3012
180g - - -
B3SN-3012P
B3SN-3112
- - -
B3SN-3112P
Gold-plated
B3SN-3012P-G
- - -
Note: Order in multiples of the quantities given for each package
Important Note: Switches cannot be water-washed.
Specifications
■ Characteristics
Contact form
SPST-NO
Switching capacity
Contact resistance
Insulation resistance
Dielectric strength
Bounce time
1 to 50 mA, 5 to 24 VDC (resistive load)
100 mΩ max. (rated: 1 mA, 5 VDC)
100 MΩ min. (at 250 VDC)
250 VAC, 50/60 Hz for 1 min.
5 ms max.
Vibration resistance
Shock resistance
Ambient operating temperature
Ambient operating humidity
Service life
Malfunction: 10 to 55 Hz, 1.5-mm double amplitude
Destruction: 1,000 m/s2 (approx. 100 G) max.
-25° to 70°C (at 60% RH max.) with no icing or condensation
35% to 85% (at 5 to 35°C)
100,000 operations min.
Weight
Approx. 0.20 g
Note: Data shown are of initial value.
■ Operating Characteristics
Characteristics
Standard (B3SN)
Gold-plated (B3SN-G)
Operating force (OF)
Release force (RF) min.
Pretravel (PT)
160 ± 50 g
180 ± 60 g
30 g
0.25 ± 0.15 mm
Tactile Switch (SMD) B3SN
255