12 x 12 mm Models
Flat Plunger Type
(without Ground
Terminal)
B3W-4000
B3W-4005
12
±0.2
5
±0.2
12
±0.2
7.1 dia.
Flat Plunger Type
(with Ground
Terminal)
B3W-4100
B3W-4105
12
±0.2
12
±0.2
7.1 dia.
5
±0.2
1.6
4.3
±0.2
3.5
0.3
12.5
±0.5
13.8
±0.5
(1.8)
1
9
1
0.9
2.6
12.5
±0.5
13.8
±0.5
0.3
3.55
4.3
±0.2
3.5
(1.8)
0.25
1
6.9
9
1
3.55
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
3.8 3.8
±0.1
1.8
±0.1
1.8
±0.1
3.8 3.8
±0.1
7.3
±0.2
4.3
±0.2
3.5
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
0.3
0.9
2.6
12.5
±0.5
13.8
±0.5
(1.8)
0.25
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.
Precautions
Be sure to read the precautions common to all Tactile Switches, contained in the Technical User’s Guide, “Tactile Switches, Technical Information”
for correct use.
234
Tactile Switch
B3W
OMRON [ OMRON ELECTRONICS LLC ]
