Tactile Switch
Miniature, Space-Saving Tactile Switch Provides
Long Service Life and Easy Mounting
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Extended mechanical/electrical service life:
B3F
10 x 10
6
operations for 12 x 12 mm type and
1 x 10
6
operations for the 6 x 6 mm type
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Ideal for applications such as audio, office
and communications equipment, measuring
instruments, TVs, VCRs, etc.
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Taped radial type, vertical type, high force type,
and gold-plated contact type are available as
series versions
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Flux-tight base structure allows automatic
soldering of the tactile switches onto a PC board
Ordering Information
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B3F-1I
I I
B3F-3I
I I
I I,
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6 x 6 mm type
Switch
height x pitch
4.3 x 6.5 mm
Part number
Without ground terminal
Operating Force
General-purpose: 100 g
150 g
High-force:
5.0 x 6.5 mm
260 g
150 g
High-force:
5.0 x 7.5 mm
Projected
7.3 x 6.5 mm
260 g
General-purpose: 100 g
Bags
B3F-1000
B3F-1002
B3F-1005
B3F-1020
B3F-1022
B3F-1025
—
B3F-1050
B3F-1052
B3F-1055
—
—
—
—
—
—
—
—
—
Sticks*
B3F-1000S
B3F-1002S
B3F-1005S
B3F-1020S
B3F-1022S
B3F-1025S
—
B3F-1050S
B3F-1052S
B3F-1055S
—
—
—
—
—
—
—
—
—
With ground terminal
Bags
B3F-1100
B3F-1102
B3F-1105
B3F-1120
B3F-1122
B3F-1125
B3F-1110
B3F-1150
B3F-1152
B3F-1155
B3F-3100
B3F-3102
B3F-3105
B3F-3120
B3F-3122
B3F-3125
B3F-3150
B3F-3152
B3F-3155
Sticks*
B3F-1100S
B3F-1102S
B3F-1105S
B3F-1120S
B3F-1122S
B3F-1125S
—
B3F-1150S
B3F-1152S
B3F-1155S
—
—
—
—
—
—
—
—
—
Type
Standard
Plunger
Flat
General-purpose: 100 g
General-purpose: 100 g
150 g
High-force:
260 g
Vertical
Flat
3.15 mm
General-purpose: 100 g
150 g
High-force:
260 g
150 g
High-force:
260 g
3.85 mm
General-purpose: 100 g
Projected
6.15 mm
General-purpose: 100 g
150 g
High-force:
260 g
* Number of switches per stick:
Without ground terminal ........... 90/stick
With ground terminal ................ 75/stick
151
Important note: Switches cannot be water-washed.
B3F
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B3F-4I
I I
B3F-5I
I I
I I,
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12 x 12 mm type
Switch
height x pitch
4.3 x 12.5 mm
Part number
Without ground terminal
Bags
Sticks*
B3F-4000
B3F-4005
B3F-4050
B3F-4055
B3F-4000S
B3F-4005S
B3F-4050S
B3F-4055S
B3F
Type
Standard
Plunger
Flat
Operating Force
General-purpose: 130 g
High-force: 260 g
With ground terminal
Bags
Sticks*
B3F-4100
B3F-4105
B3F-4150
B3F-4155
B3F-4100S
B3F-4105S
B3F-4150S
B3F-4155S
Projected
7.3 x 12.5 mm
General-purpose: 130 g
High-force: 260 g
Long service
life
Flat
4.3 x 12.5 mm
General-purpose: 130 g
B3F-5000
B3F-5000S
B3F-5100
B3F-5100S
Projected
7.3 x 12.5 mm
B3F-5050
B3F-5050S
B3F-5150
B3F-5150S
High reliability
gold-plated
contact
Flat
4.3 x 12.5 mm
B3F-5001
B3F-5001S
B3F-5101
B3F-5101S
Projected
7.3 x 12.5 mm
B3F-5051
B3F-5051S
B3F-5151
B3F-5151S
* Number of switches per stick:
Without ground terminal ........... 45/stick
With ground terminal ................ 40/stick
Important note: Switches cannot be water-washed.
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B3F-6I
I
I
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Taped Radial (Auto Insertion)
6 x 6 mm type
Switch
height x pitch
4.3 x 6.5 mm
5.0 x 6.5 mm
Projected
7.3 x 6.5 mm
Part number
Without
ground terminal
B3F-6000
B3F-6002
B3F-6020
B3F-6022
B3F-6050
B3F-6052
With
ground terminal
B3F-6100
B3F-6102
B3F-6120
B3F-6122
B3F-6150
B3F-6152
Type
B3F-6000
Plunger
Flat
Operating Force
General-purpose: 100 g
High-force: 150 g
General-purpose: 100 g
High-force: 150 g
General-purpose: 100 g
High-force: 150 g
Note: The above switches must be ordered in units of 1,000.
Important note: Switches cannot be water-washed.
152
B3F
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ACCESSORIES
Keycaps
Keycap
Switch
Switch
Keycap
B3F
Keycap color
Light gray
Black
Orange
Yellow
Blue
Green
White
Light green
Red
Applicable type:
Size:
Part number
6 x 6 mm
4 x 4 mm
B32-1000
B32-1010
B32-1020
B32-1030
B32-1040
B32-1050
B32-1060
B32-1070
B32-1080
12 x 12 mm
9 x 9 mm
B32-1200
B32-1210
B32-1220
B32-1230
B32-1240
B32-1250
B32-1260
B32-1270
B32-1280
12 x 12 mm
B32-1300
B32-1310
B32-1320
B32-1330
B32-1340
B32-1350
B32-1360
B32-1370
B32-1380
Note: Keycaps are available in different sizes and colors for exclusive use of the 6 x 6 mm and
12 x 12 mm projected plunger versions of Model B3F.
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PLUNGER IDENTIFICATION TABLE
Use this table to determine tactile switch type by plunger color.
Plunger color
Light gray
White
Black
Blue
Yellow
Medium gray
Orange
Pink
Operating force
100 g
100 g
100 g
130 g
150 g
150 g
260 g
260 g
Type
B3F-1000, 1150, 3100, 6000, 6050
B3F-1050, 1100, 3150, 4000, 4050, 4100
B3F-1020, 1110, 1120, 3120, 6020, 6120
B3F-5000 Series
B3F-1002, 1052, 1102, 3102, 3152, 4005, 4055, 4105, 4155, 6002, 6052
B3F-1022, 1122, 3122, 6022
B3F-1005, 1055, 1105, 3105, 6005, 6055
B3F-1025, 1125, 3125, 6025
Specifications
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CHARACTERISTICS
Part number
B3F-1I
I I
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B3F-3I
I I
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Service life
(see note 1)
[mechanical/electrical]
Weight
(see note 2)
Contact form
Switching capacity
Permissible load
Contact resistance
Insulation resistance
Dielectric strength
Bounce time
Vibration
Shock
Ambient temperature
Humidity
1,000,000 operations
minimum
Approx. 0.25 g
SPST-NO
50 mA 24 VDC (resistive load)
1 mA 5 VDC min. (resistive load)
100 MΩ max.
100 MΩ min. (at 250 VDC)
500 VAC, 50/60 Hz for 1 minute
5 ms max.
Malfunction durability: 10 to 55 Hz, 1.5 mm double amplitude
Mechanical durability: 1,000 m/s
2
(approx. 100 G)
Malfunction durability: 100 m/s
2
(approx. 10 G)
-25° to 70°C (with no icing)
35% to 85% RH
5-24 VDC, 1-50 mA
—
B3F-4I
I I
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3,000,000 operations
minimum
Approx. 0.85 g
B3F-5I
I I
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10,000,000 operations
minimum
B3F-6I
I I
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1,000,000 (300,000)
operations min.
Approx. 0.25 g
Note: 1. Figure in parentheses denotes the service life of high force type.
2. Denotes the weight of standard type.
3. Data shown are of initial value.
153
B3F
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OPERATING CHARACTERISTICS
Part number
B3F-1I
I I
/ -3I
I
I
I
I
General
High force
purpose type
type
100
±
30 g
20 g
0.25
+0.2
/
-0.1
mm
150
±
50 g
50 g
0.25
+0.2
/
-0.1
mm
B3F-4I
I I
/ -5I
I I
I
I
General
High force
purpose type
type
130
±
50 g
30 g
0.3
+0.2
/
-0.1
mm
260
±
70 g
50 g
0.3
+0.2
/
-0.1
mm
B3F-6I
I I
I
General
purpose type
100
±
30 g
20 g
0.25
+0.2
/
-0.1
mm
B3F
Characteristics
Operating force (OF)
Release force (RF) min.
Pretravel (PT) max.
High force
type
150
±
50 g
50 g
0.25
+0.2
/
-0.1
mm
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CONSTRUCTION
Cover
Plunger
Base
Dome contact
Terminals
Fixed contact
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CONTACT FORM
B3F-10I
I
I
B3F-40I
I
I
B3F-50I
I
I
B3F-11I
I
I
B3F-41I
I
I
B3F-51I
I
I
B3F-3I
I I
I
Engineering Data
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OPERATING FORCE VS STROKE (TYPICAL EXAMPLE)
B3F-1III -3III
III/ III
OF:150 gf
Operating force (g)
OF:100 gf
Stroke (mm)
154
B3F
B3F
B3F-4III / -5III
III
III
OF:260 gf
B3F-6III
III
Operating force (g)
OF:130 gf
Operating force (gf)
Stroke (mm)
Stroke (mm)
Dimensions
Unit: mm (inch)
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B3F-1000/-1002/-1005/-1020*/-1022*/-1025*
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B3F-1050/-1052/-1055
PCB mounting
(top view)
Terminal
arrangement/
internal
connections
(top view)
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B3F-1100/-1102/-1105/-1120**/-1122**/-1125**
Terminal
arrangement/
internal
connections
(top view)
PCB mounting
(top view)
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B3F-1150/-1152/-1155
Note:
Terminal numbers are not indicated on this switch. With the switch turned over so that the logo mark “OMRON” is visible on the upper part of the rear
side of the switch base, the terminal on the right of the logo mark is numbered “1” and that on the bottom right is “3.” Accordingly, two terminals on
the left side are numbered “2” and “4” respectively.
Note: Unless otherwise specified, a tolerance of
±
0.4 mm applies to all dimensions.
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