B3W-4155 Omron, B3W-4155 Datasheet - Page 4
![Pushbutton Switch,STRAIGHT,SPST,OFF-(ON),PC TAIL W/RETNN Terminal,PCB Hole Count:7](/photos/15/35/153559/b3w-4155byomz_sml.jpg)
B3W-4155
Manufacturer Part Number
B3W-4155
Description
Pushbutton Switch,STRAIGHT,SPST,OFF-(ON),PC TAIL W/RETNN Terminal,PCB Hole Count:7
Manufacturer
Omron
Series
B3Wr
Specifications of B3W-4155
Circuit
SPST-NO
Switch Function
Off-Mom
Contact Rating @ Voltage
0.05A @ 24VDC
Actuator Type
Plunger for Cap
Mounting Type
Through Hole
Orientation
Vertical
Outline
12.00mm x 12.00mm
Illumination
Non-Illuminated
Operating Force
350gf
Actuator
Extended
Contact Current Rating
50 mAmps to 24 Volts
Ground Terminal
Yes
Contact Form
SPST - NO
Termination Style
Solder Pin
Mounting Direction
Straight
Features
Miniature space saving switch, positive click action plus long life equal to no-contact switch
Mounting Style
Through Hole
Operating Temperature Range
- 25 C to + 70 C
Contact Rating
50 mAmps to 24 Volts
Contact Configuration
SPST-NO
Contact Voltage Dc Nom
24V
Contact Current Max
50mA
Actuation Type
Top
Switch Terminals
PCB / Push-on
Circuitry
SPST-NO
Rohs Compliant
Yes
Actuator Style
Extended Plunger
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
B3W-4155
B3W-4155BYOMZ
B3W4155
SW856
B3W-4155BYOMZ
B3W4155
SW856
12 x 12 mm Models
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
Flat Plunger Type
(without Ground
Terminal)
B3W-4000
B3W-4005
Projected Plunger Type
(without Ground
Terminal)
B3W-4050
B3W-4055
PCB Mounting (Top View)
(Single-sided PCB, t=1.6)
PCB Mounting (Top View)
(Single-sided PCB, t=1.6)
Tactile Switch
7.3
4.3
12
±0.2
3.5
12.5
4.3
±0.2
1.8
±0.2
12
12.5
3.5
±0.2
±0.1
±0.2
±0.1
±0.1
Two, 1.8
(for positioning boss)
Two, 1.8
(for positioning boss)
12.5
13.8
12
3.8 3.8
±0.05
±0.05
12.5
13.8
±0.2
12
±0.5
±0.5
dia.
Four, 1.2
±0.2
5
B3W
±0.5
±0.5
±0.1
dia.
Four, 1.2
5
0.3
±0.1
±0.1
0.3
9
±0.1
±0.05
9
7.1 dia.
±0.1
±0.05
5
3.55
(1.8)
dia.
±0.2
dia.
(1.8)
5
3.55
±0.2
Terminal Arrangement
/Internal Connections
(Top View)
Terminal Arrangement
/Internal Connections
(Top View)
4
2
4
2
1
1
9
9
1
1
3
1
3
1
Flat Plunger Type
(with Ground
Terminal)
Projected Plunger Type
(with Ground
Terminal)
B3W-4150
B3W-4155
B3W-4100
B3W-4105
6.9
6.9
±0.1
±0.1
PCB Mounting (Top View)
(Single-sided PCB, t=1.6)
PCB Mounting (Top View)
(Single-sided PCB, t=1.6)
7.3
±0.2
4.3
12
1.8
4.3
12
3.5
3.5
±0.2
±0.2
±0.2
±0.1
±0.2
12.5
12.5
±0.1
±0.1
Two, 1.8
(for positioning boss)
Two, 1.8
(for positioning boss)
2.6
2.6
0.9
0.9
3.8 3.8
12.5
13.8
12.5
13.8
12
12
±0.05
±0.05
±0.2
±0.2
±0.5
±0.5
±0.5
±0.5
±0.1
Five, 1.2
dia.
Five, 1.2
1.6
dia.
5
0.3
5
0.3
±0.1
±0.1
9
9
7.1 dia.
±0.1
±0.05
±0.1
±0.05
(1.8)
5
3.55
(1.8)
5
3.55
±0.2
±0.2
dia.
dia.
Terminal Arrangement
/Internal Connections
(Top View)
Terminal Arrangement
/Internal Connections
(Top View)
0.25
0.25
4
2
4
2
6.9
6.9
1
1
5
5
9
9
1
1
3
1
3
1