Tactile Switch (SMD)

B3SN

255

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

Note: Order in multiples of the quantities given for each package

Important Note: Switches cannot be water-washed.

Specifications

■ Characteristics

Note: Data shown are of initial value.

■ Operating Characteristics

Switch height

Operating force

Model

Without ground terminal

With ground terminal

Bags

(100 per bag)

Embossed Tape

(3,000 per reel)

Bags

(100 per bag)

Embossed Tape

(3,000 per reel)

3.1 mm

Standard

160g

B3SN-3012

B3SN-3012P

B3SN-3112

B3SN-3112P

Gold-plated

180g

- - -

B3SN-3012P-G

- - -

- - -

Contact form

SPST-NO

Switching capacity

1 to 50 mA, 5 to 24 VDC (resistive load)

Contact resistance

100 m

Ω max. (rated: 1 mA, 5 VDC)

Insulation resistance

100 M

Ω min. (at 250 VDC)

Dielectric strength

250 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

Ambient operating temperature

-25

° to 70°C (at 60% RH max.) with no icing or condensation

Ambient operating humidity

35% to 85% (at 5 to 35

°C)

Service life

100,000 operations min.

Weight

Approx. 0.20 g

Characteristics

Standard (B3SN)

Gold-plated (B3SN-G)

Operating force (OF)

160

± 50 g

180

± 60 g

Release force (RF) min.

30 g

Pretravel (PT)

0.25

± 0.15 mm