B3U
B3U
Side-actuated Models
Without Ground Terminal, without Boss
With Ground Terminal, without Boss
B3U-3000P(M)
Terminal Arrangement
/Internal Connections
(Top View)
B3U-3100P(M)
Terminal Arrangement
/Internal Connections
(Top View)
2
1
2
1
3
PCB Pad
4
4
PCB Pad
+0.15
−0.10
3
+0.15
−0.10
3
(Top View)
(Top View)
1.2
1.2
1.7
0.9
1.7
0.9
± 0.1
1
± 0.1
1
± 0.1
4.2
± 0.1
4.2
± 0.1
2.6
± 0.1
2.6
1.95
1.9
1.95
3.2
3.2
± 0.1
1.7
± 0.1
1.7
2.5 1.4
2.5 1.4
± 0.1
1.1
± 0.1
1.1
0.5
± 0.1
0.8
Without Ground Terminal, with Boss
With Ground Terminal, with Boss
B3U-3000P(M)-B
Terminal Arrangement
/Internal Connections
(Top View)
B3U-3100P(M)-B
Terminal Arrangement
/Internal Connections
(Top View)
2
1
2
1
3
4
3
PCB Pad
4
PCB Pad
+0.15
−0.10
3
+0.15
1.2
−0.10
(Top View)
(Top View)
1.2
1.7
0.9
1.7
0.9
± 0.1
± 0.1
1
1
± 0.1
4.2
±
±
0.1
0.1
4.2
± 0.1
2.6
2.6
1.95
1.95
1.9
3.2
3.2
± 0.1
1.7
± 0.1
1.7
2.5 1.4
2.5 1.4
±
±
0.1
0.1
1.1
+0.1dia.
Hole: 0.75
1.1
0
+0.1dia.
Hole: 0.75
0
0.5
±
0.1
0.8
0.5
0.5
0.05
0.05
0.65±
dia.
0.65±
dia.
Note: Unless otherwise specified, a tolerance of ± 0.2 mm applies to all dimensions. No terminal numbers are indicated on the Switches.
■ Precautions
Be sure to read the precautions common to all Tactile Switches on pages for correct use.
3