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 automatic mounting.

RoHS Compliant

Image
3D

EnglishDatasheet
Japaneseデータシート
Chinese目录

Common Precautions for Tactile Switch

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

List of Models
6 × 6 mm Models

Operation type	Contact material	Height	Operating force (OF)	Plunger color	Without ground terminal				With ground terminal
					Bags		Embossed taping		Bags		Embossed taping
					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
B3S-1000 Series	Silver plated	4.3 mm	2.26 N {230 gf} max.	Yellow	B3S-1002	100 pcs	B3S-1002P	1,000 pcs	B3S-1102	100 pcs	B3S-1102P	1,000 pcs

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

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

Operating Characteristics

	Type
	Operating force (OF)
Item	Model

B3S Series

1.57 N

2.26 N

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

Dimensions
(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.