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Tactile Switches(SMD Types)

B3S Sealed Tactile Switch (SMT)

Surface-mounting Tactile Switch for High Contact Reliability

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.

Updated Aug. 31, 2012

Datasheet
Product Information
Sales Network

Datasheet

Common Precautions for Tactile Switch

This web page provides an excerpt from a datasheet. Refer to Datasheet and other applicable documents for more information.

Ordering Information
Ratings / Characteristics
Dimensions
Precautions

6 × 6 mm B3S-1000

Height	Operating force (OF)	Plunger color	Without Ground Terminal		With Ground Terminal
Height	Operating force (OF)	Plunger color	Bags (in units of 100 Switches)	Embossed taping (in units of 1,000 Switches)	Bags (in units of 100 Switches)	Embossed taping (in units of 1,000 Switches)
4.3 mm	1.57 N {160 gf}	Ivory	B3S-1000	B3S-1000P	B3S-1100	B3S-1100P
4.3 mm	2.26 N {230 gf}	Yellow	B3S-1002	B3S-1002P	B3S-1102	B3S-1102P

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

Ratings	1 to 50 mA, 5 to 24 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 configuration	SPST-NO
Contact resistance	100 mΩ max. (initial value) (rated: 1 mA, 5 VDC)
Insulation resistance	100 MΩ min. (at 250 VDC)
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

Operating Characteristics

Item

B3S-1

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	mm
	-0.1

(Unit: mm)

Note: .

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.