Sealed Tactile Switch
Tactile Switch with Sealed Construction
for Automatic Soldering
• Sealed construction conforming to IP67 (IEC-
60529) provides high reliability in locations
exposed to dust or water. (* Excluding the termi-
nal section.)
• Available in two sizes: 6
×
6 mm and 12
×
12 mm
sizes.
• Ground terminal available to protect against static
electricity.
• Projected plunger types that allow the installation
of B32-series Special Key Tops are available.
RoHS Compliant
■
B3W
List of Models
Type
Plunger
Height
Operating
force (OF)
1.57 N {160 gf}
2.26 N {230 gf}
5.0 mm
1.57 N {160 gf}
2.26 N {230 gf}
Plunger color
Bags (in units of 100 Switches)
Without ground
terminal
White
Yellow
White
Yellow
White
Yellow
White
Yellow
White
Yellow
B3W-1000
B3W-1002
B3W-1020
B3W-1022
B3W-1050
B3W-1052
B3W-4000
B3W-4005
B3W-4050
B3W-4055
With ground
terminal
B3W-1100
B3W-1102
---
---
B3W-1150
B3W-1152
B3W-4100
B3W-4105
B3W-4150
B3W-4155
6
×
6 mm
B3W-1000
Flat type
4.3 mm
Projected type
7.3 mm
1.57 N {160 gf}
2.26 N {230 gf}
12
×
12 mm
B3W-4000
Flat type
4.3 mm
1.96 N {200 gf}
3.43 N {350 gf}
Projected type
7.3 mm
1.96 N {200 gf}
3.43 N {350 gf}
Note:
Bulk Packaged, 100 switches per bag. Order in multiples of the package quantity.
1
B3W
■
B3W
Ratings/Characteristics
1 to 50 mA, 5 to 24 VDC (resistive load)
-25°C to +70°C at 60%RH max. (with no icing or condensation)
35% to 85% (at +5 to +35°C)
SPST-NO
100 mΩ max. (initial value) (rated: 1 mA, 5 VDC)
100 MΩ min. (at 250 VDC)
500 VAC, 50/60 Hz for 1 min
5 ms max.
Malfunction: 10 to 55 Hz, 1.5 mm double amplitude
Destruction: 1,000 m/s
2
{approx. 100 G} max.
Malfunction: 100 m/s
2
{approx. 10 G} max.
B3W-1000:
1.57 N (standard force):1,000,000 operations min.
2.26 N (high-force):300,000 operations min.
B3W-4000:
1.96 N (standard force):3,000,000 operations min.
3.43 N (high-force):1,000,000 operations min.
Ratings
Ambient operating temperature
Ambient operating humidity
Contact form
Contact resistance
Insulation resistance
Dielectric strength
Bounce time
Vibration resistance
Shock resistance
Durability
Weight
■
6
×
6 mm: approx. 0.3 g, 12
×
12 mm: approx. 1 g
Operating Characteristics
Item
B3W-1000 series
1.57 N
2.26 N
0.49 N {50 gf} min.
B3W-4000 series
1.96 N
0.29 N {30 gf} min.
0.3
+0.2
/
–0.1
mm
3.43 N
0.49 N {50 gf} min.
Operating force (OF)
Releasing force (RF)
Pretravel (PT)
■
1.57 N {160 gf} max. 2.26 N {230 gf} max. 1.96 N {200 gf} max. 3.43 N {350 gf} max.
0.2 N {20 gf} min.
0.25
+0.2
/
–0.1
mm
Model Structure
Plunger
Cover
Spacer
Sealed rubber
Contact dome
Base
Fixed contact
2
B3W
■
B3W
(Unit: mm)
2
1
3
4
(Bottom View)
Dimensions
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.
■
6
×
6 mm Models
6
±0.2
3.3
dia.
Flat Plunger Type
(without Ground
Terminal)
B3W-1000
B3W-1002
6.6
±0.2
Flat Plunger Type
(with Ground
Terminal)
B3W-1100
B3W-1102
6.6
±0.2
6
±0.2
3.3
dia.
4.5
±0.2
4.5
±0.2
1.5
4.3
±0.2
3.4
4.3
±0.2
3.4
3.5
(1.8)
0.3
6.5
±0.5
7.7
±0.5
0.7
0.7
3.5
0.7
6.5
±0.5
7.7
±0.5
0.25
(1.8)
0.3
0.7
0.7
PCB Mounting (Top View)
(Single-sided PCB, t=1.6)
Terminal Arrangement
/Internal Connections
(Top View)
4
3
PCB Mounting (Top View)
(Single-sided PCB, t=1.6)
Terminal Arrangement
/Internal Connections
(Top View)
4
3
4.5
±0.1
4.5
±0.1
2
6.5
±0.1
Four, 1
±0.05
dia.
6.5
±0.1
1
4.1
±0.1
Five, 1
±0.05
dia.
2
5
1
Flat Plunger Type
(without Ground
Terminal)
B3W-1020
B3W-1022
6.6
±0.2
6
±0.2
3.3
dia.
4.5
±0.2
5
±0.2
3.4
3.5
0.3
6.5
±0.5
7.7
±0.5
(1.8)
0.7
0.7
PCB Mounting (Top View)
(Single-sided PCB, t=1.6)
Terminal Arrangement
/Internal Connections
(Top View)
4
3
4.5
±0.1
2
6.5
±0.1
Four, 1
±0.05
dia.
1
Note:
Unless otherwise specified, a tolerance of
±0.4
mm applies to all dimensions. No terminal numbers are indicated on the Switches.
3
B3W
Projected Plunger Type
(without Ground
Terminal)
B3W-1050
B3W-1052
6.6
±0.2
B3W
Projected Plunger Type
(with Ground
Terminal)
B3W-1150
B3W-1152
6.6
±0.2
6
±0.2
3.3
dia.
6
±0.2
3.3
dia.
4.5
±0.2
4.5
±0.2
1.8
±0.1
2.4
×
2.4
±0.1
1.8
±0.1
2.4
×
2.4
±0.1
7.3
±0.2
4.3
±0.2
3.4
7.3
±0.2
4.3
±0.2
3.4
3.5
(1.8)
0.3
6.5
±0.5
7.7
±0.5
0.7
0.7
3.5
0.7
1.5
6.5
±0.5
7.7
±0.5
(1.8)
0.3
0.7
0.25
0.7
PCB Mounting (Top View)
(Single-sided PCB, t=1.6)
Terminal Arrangement
/Internal Connections
(Top View)
4
3
PCB Mounting (Top View)
(Single-sided PCB, t=1.6)
Terminal Arrangement
/Internal Connections
(Top View)
4
3
4.5
±0.1
2
6.5
±0.1
Four, 1
±0.05
dia.
1
4.1
±0.1
4.5
±0.1
2
Five, 1
±0.05
dia.
6.5
±0.1
1
Note:
Unless otherwise specified, a tolerance of
±0.4
mm applies to all dimensions. No terminal numbers are indicated on the Switches.
4
B3W
■
B3W
12
×
12 mm Models
12
±0.2
7.1 dia.
Flat Plunger Type
(without Ground
Terminal)
B3W-4000
B3W-4005
12
±0.2
Flat Plunger Type
(with Ground
Terminal)
B3W-4100
B3W-4105
12
±0.2
12
±0.2
7.1 dia.
5
±0.2
5
±0.2
1.6
4.3
±0.2
3.5
1.6 dia.
12.5
±0.5
13.8
±0.5
3.55
4.3
±0.2
3.5
3.55
(1.8)
1
9
1
0.9
2.6
12.5
±0.5
13.8
±0.5
0.3
(1.8)
0.25
1.6 dia.
1
6.9
9
1
PCB Mounting (Top View)
(Single-sided PCB, t=1.6)
Two, 1.8
±0.05
dia.
(for positioning
boss)
Terminal Arrangement
/Internal Connections
(Top View)
4
3
PCB Mounting (Top View)
(Single-sided PCB, t=1.6)
Two, 1.8
±0.05
dia.
(for positioning
boss)
Terminal Arrangement
/Internal Connections
(Top View)
4
3
5
±0.1
5
±0.1
9
±0.1
2
1
6.9
±0.1
9
±0.1
2
5
1
Five, 1.2
±0.05
dia.
12.5
±0.1
Four, 1.2
±0.05
dia.
12.5
±0.1
Projected Plunger Type
(without Ground
12
Terminal)
B3W-4050
B3W-4055
12
±0.2
±0.2
Projected Plunger Type
12
(with Ground
Terminal)
5
±0.2
±0.2
B3W-4150
B3W-4155
12
±0.2
5
±0.2
1.8
±0.1
@3.8
±0.1
1.8
±0.1
@3.8
±0.1
7.3
±0.2
4.3
±0.2
3.5
1.6 dia. 0.3
12.5
±0.5
13.8
±0.5
3.55
7.3
±0.2
4.3
±0.2
3.5
3.55
(1.8)
1
9
1
0.9
2.6
12.5
±0.5
13.8
±0.5
0.3
(1.8)
0.25
1.6 dia.
1
6.9
9
1
PCB Mounting (Top View)
(Single-sided PCB, t=1.6)
Two, 1.8
±0.05
dia.
(for positioning
boss)
Terminal Arrangement
/Internal Connections
(Top View)
4
3
PCB Mounting (Top View)
(Single-sided PCB, t=1.6)
Two, 1.8
±0.05
dia.
(for positioning
boss)
Terminal Arrangement
/Internal Connections
(Top View)
4
3
5
±0.1
9
±0.1
2
1
6.9
±0.1
5
±0.1
9
±0.1
2
5
1
12.5
±0.1
Four, 1.2
±0.05
dia.
12.5
±0.1
Five, 1.2
±0.05
dia.
Note:
Unless otherwise specified, a tolerance of
±0.4
mm applies to all dimensions.
5
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