1
B3F Tactile Switch
A Wide Range of Models:
6 × 6 mm, 12 × 12 mm, Side-operated,
High-force, and Gold-plated.
• Extended mechanical/electrical durability: 10 x 106
operations for 12 x 12 mm type and 1 x 106
operations for the 6 x 6 mm type
• Taped radial type, vertical type and high force
types are available.
• Gold plated models available for increased
contact reliability, resistance to corrosive gas and
insulation failure prevention for ion migration in
harsh environments
• Type B32 Key Tops are available for projected
plunger models.
■List of Models
6 × 6 mm Models
RoHS Compliant
Type Plunger Height Operating force
(OF)
Plunger color Bags (in units of 100 Switches)
Without ground
terminal
With ground
terminal
Standard
(B3F-1000)
4.3 mm 0.98 N {100 gf} lvory B3F-1000 B3F-1100
1.47 N {150 gf} Yellow B3F-1002 B3F-1102
2.55 N {260 gf} Orange B3F-1005 B3F-1105
4.9 N {500 gf} Red B3F-1006 ---
5.0 mm 0.98 N {100 gf} Black B3F-1020 B3F-1120
1.47 N {150 gf} Gray B3F-1022 B3F-1122
2.55 N {260 gf} Pink B3F-1025 B3F-1125
4.9 N {500 gf} Blue B3F-1026 ---
5.0 mm
(7.5-mm pitch)
0.98 N {100 gf} Black --- B3F-1110
7.0 mm 0.98 N {100 gf} Black B3F-1060 ---
1.47 N {150 gf} Yellow B3F-1062 ---
9.5 mm 0.98 N {100 gf} Black B3F-1070 ---
1.47 N {150 gf} Yellow B3F-1072 ---
2.55 N {260 gf} Orange B3F-1075 ---
7.3 mm 0.98 N {100 gf} lvory B3F-1050 B3F-1150
1.47 N {150 gf} Yellow B3F-1052 B3F-1152
2.55 N {260 gf} Orange B3F-1055 B3F-1155
4.9 N {500 gf} Red B3F-1056 ---
Flat type
Projected type
2
B3FB3F
Note: Bulk Packaged, 100 Switches per bag. Order in multiples of the package quantity.
12 × 12 mm Models
Note: Bulk Packaged, 100 switches per bag. Order in multiples of the package quantity.
6 × 6 mm Radial Models (Taping Specifications)
Note: The switches are tape packaged in units of 1,000 per package. Order in multiples of the package size. Switches are not sold indi-
vidually.
Side-operated
(B3F-3000)
3.15 mm 0.98 N {100 gf} lvory --- B3F-3100
1.47 N {150 gf} Yellow --- B3F-3102
2.55 N {260 gf} Orange --- B3F-3105
3.85 mm 0.98 N {100 gf} Black --- B3F-3120
1.47 N {150 gf} Gray --- B3F-3122
2.55 N {260 gf} Pink --- B3F-3125
6.15 mm 0.98 N {100 gf} lvory --- B3F-3150
1.47 N {150 gf} Yellow --- B3F-3152
2.55 N {260 gf} Orange --- B3F-3155
High reliability
gold-plated con-
tact
4.3 mm 1.76 N {180 gf} Yellow B3F-1002-G B3F-1102-G
5.0 mm Gray B3F-1022-G B3F-1122-G
7.0 mm Yellow B3F-1062-G
(see note)
---
9.5 mm Yellow B3F-1072-G
(see note)
---
7.3 mm Yellow B3F-1052-G ---
3.85 mm Gray --- B3F-3122-G
(see note)
Type Plunger Height Operating force
(OF)
Plunger color Bags (in units of 100 Switches)
Without ground
terminal
With ground
terminal
Flat type
Projected type
Flat type
Projected type
Flat type
Type Plunger
(or LED color)
Height Operating force
(OF)
Plunger color Bags (in units of 100 Switches)
Without ground
terminal
With ground
terminal
Standard
(B3F-4000)
Flat type 4.3 mm 1.27 N {130 gf} lvory B3F-4000 B3F-4100
2.55 N {260 gf} Yellow B3F-4005 B3F-4105
Projected type 7.3 mm 1.27 N {130 gf} lvory B3F-4050 B3F-4150
2.55 N {260 gf} Yellow B3F-4055 B3F-4155
Long durability
(B3F-5000)
Flat type 4.3 mm 1.27 N {130 gf} Blue B3F-5000 B3F-5100
Projected type 7.3 mm Blue B3F-5050 B3F-5150
High reliability
gold-plated
(B3F-5001)
Flat type 4.3 mm 1.27 N {130 gf} Blue B3F-5001 B3F-5101
Projected type 7.3 mm Blue B3F-5051 B3F-5151
Type Plunger Height Operating force
(OF)
Plunger color Taped Radial (1000 Switches)
Without ground
terminal
With ground
terminal
Taped Radial
(B3F-6000)
Flat type 4.3 mm 0.98 N {100 gf} lvory B3F-6000 B3F-6100
1.47 N {150 gf} Yellow B3F-6002 B3F-6102
5.0 mm 0.98 N {100 gf} Black B3F-6020 B3F-6120
1.47 N {150 gf} Gray B3F-6022 B3F-6122
Projected type 7.3 mm 0.98 N {100 gf} lvory B3F-6050 B3F-6150
1.47 N {150 gf} Yellow B3F-6052 B3F-6152
3
B3FB3F
■Ratings/Characteristics
■Operating Characteristics
Ratings 1 to 50 mA, 5 to 24 VDC (resistive load) (B3F-G: 100 μA to 50 mA, 5 to 24 VDC)
Ambient operating temperature -25°C to +70°C at 60%RH max. (with no icing or condensation)
Ambient operating humidity 35% to 85% (at +5 to +35°C)
Contact form SPST-NO
Contact resistance 100 mΩ max. (initial value) (rated: 1 mA, 5 VDC) B3F-G: (rated: 100 μA, 5 VDC)
Insulation resistance 100 MΩ min. (at 250 VDC)
Dielectric strength 500 VAC, 50/60 Hz for 1 min
Bounce time 5 ms max.
Vibration resistance Malfunction: 10 to 55 Hz, 1.5 mm double amplitude
Shock resistance Destruction: 1,000 m/s2 {approx. 100G} max.
Malfunction: 100 m/s2 {approx. 10G} max.
Durability B3F-1000, B3F-3000, B3F-6000:
1,000,000 operations min (OF: 0.98 N {100 gf}) (B3F-1070: 500,000 operations min)
300,000 operations min (OF: 1.47 N {150 gf})
100,000 operations min (OF: 2.55 N {260 gf})
50,000 operations min (OF: 4.9 N {500 gf})
B3F-4000:
3,000,000 operations min (OF: 1.27 N {131 gf})
1,000,000 operations min (OF: 2.55 N {260 gf})
B3F-5000:
10,000,000 operations min.
B3F-G:
300,000 operations min.
Weight 6 × 6 mm models: approx. 0.25 g
12 × 12 mm models (standard types): approx. 0.85 g
Radial models: approx. 0.25 g
B3F-1000, B3F-3000, B3F-6000 B3F-4000, B3F-5000 B3F-G
Operating force
(OF)
0.98 N 1.47 N 2.55 N 4.9 N 1.27 N 2.55 N 1.76 N
Item
B3F-1@@0
B3F-3@@0
B3F-6@@0
B3F-1@@2
B3F-3@@2
B3F-6@@2
B3F-1@@5
B3F-3@@5
B3F-10@6B3F-4@@0
B3F-5@@0
B3F-5@@1
B3F-4@@5B3F-1@@2-G
B3F-3@@2-G
Operating force
(OF)
0.98±0.29 N
{100±30 gf}
1.47±0.49 N
{150±50 gf}
2.55±0.69 N
{260±70 gf}
4.9±1.47 N
{500±150 gf}
1.27±0.49 N
{130±50 gf}
2.55±0.69 N
{260±70 gf}
1.76±0.49 N
{180±50 gf}
Releasing force
(RF)
0.2 N {20 gf}
min.
0.49 N {50 gf}
min.
0.49 N {50 gf}
min.
0.7 N {70 gf}
min.
0.29 N {30 gf}
min.
0.49 N {50 gf}
min.
0.49 N {50 gf}
min.
Pretravel (PT) 0.25+0.2/–0.1 mm 0.3+0.2/–0.1 mm 0.25+0.2/–0.1 mm
4
B3FB3F
■Dimensions (Unit: mm)
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 ap-
pears the right way up. (Except Side-operated and Radial Models)
6 × 6 mm Models
Note: Unless otherwise specified, a tolerance of ±0.4 mm applies to all dimensions. No terminal numbers are indicated on the Switches.
(Bottom View)
2
4
1
3
B3F-1060, B3F-1062, B3F-1062-G
Terminal Arrangement/
Internal Connections (Top View)
Standard, Flat Plunger Type
(without Ground Terminal)
PCB Mounting (Top View)
(Single-sided PCB, t=1.6)
Terminal Arrangement/Internal
Connections (Top View)
Note: The height of B3F-1120, B3F-1122, and
B3F-1125 is 5±0.2 mm.
PCB Mounting (Top View)
(Single-sided PCB, t=1.6)
Terminal Arrangement/
Internal Connections
(Top View)
PCB Mounting (Top View)
(Single-sided PCB, t=1.6)
Terminal Arrangement/Internal
Connections (Top View)
Note: The height of B3F-1020, B3F-1022, B3F-1025,
and B3F-1026 is 5±0.2 mm.
Standard, Flat Plunger Type
(with Ground Terminal, Pitch: 7.5 mm)
B3F-1110
PCB Mounting (Top View)
(Single-sided PCB, t=1.6)
B3F-1100, B3F-1102, B3F-1105
B3F-1120 (See note.), B3F-1122 (See note.)
B3F-1125 (See note.)
B3F-1102-G, B3F-1122-G (See note.)
Standard, Flat Plunger Type
(with Ground Terminal, Pitch: 6.5 mm)
B3F-1000, B3F-1002, B3F-1005, B3F-1006
B3F-1020 (See note.), B3F-1022 (See note.),
B3F-1025 (See note.), B3F-1026 (See note.)
B3F-1002-G, B3F-1022-G (See note.)
Standard, Flat Plunger Type
(without Ground Terminal)
6±0.2
4.3±0.2
3.5
3.4
3.5
dia.
4
2
3
1
0.7 0.7
0.3
6.5±0.5
7.7±0.5
(See note.)
6±0.2
4.5±0.2
6.5±0.1
4.5±0.1
Four, 1±0.1 dia.
4.3±0.2
3.5
6±0.2
6±0.2
1.5
0.7
6.5±0.5
7.7±0.5
6.5±0.1
4.5±0.1
4.1±0.1
Five, 1±0.05 dia.
4
2
3
5
1
3.5
dia.
0.7 0.7
0.3
0.3
(See note.)
4.5±0.2
3.4
0.3
0.3
5±0.2
3.5
0.7
7.5±0.5
9±0.5
6±0.2
6±0.2
4.5±0.2
1.5
3.5
dia.
0.7 0.7
Four,
1.2±0.05 dia.
1±0.05 dia.
7.5±0.1
4.5±0.1
4.1±0.1
4
2
3
5
1
3.4
6.5±0.5
7.7±0.5 0.7 0.7 4
2
3
1
4.5±0.2
3.5
dia.
4.5±0.1
3.4
0.3
(1.8)
0.5 max.
6±0.2
6.5±0.1 Four,
1±0.05 dia.
6±0.2
7±0.2
3.5
5
B3FB3F
Note: Unless otherwise specified, a tolerance of ±0.4 mm applies to all dimensions. No terminal numbers are indicated on the Switches.
B3F-1070, B3F-1072, B3F-1075, B3F-1072-G
Standard, Flat Plunger Type
(without Ground Terminal)
PCB Mounting (Top View)
(Single-sided PCB, t=1.6)
Terminal Arrangement/Internal
Connections (Top View)
PCB Mounting (Top View)
(Single-sided PCB, t=1.6)
Terminal Arrangement/Internal
Connections (Top View)
Standard, Projected Plunger Type
(without Ground Terminal)
B3F-1050, B3F-1052
B3F-1055, B3F-1056
B3F-1052-G
4
2
3
1
4.5±0.1
6.5±0.1 Four,
1±0.05 .dia
6.5±0.5
7.7±0.5 0.7 0.7
4.5±0.2
3.4
0.3
(1.8)
0.5 max.
6±0.2
6±0.2
9.5
3.5
3.5
dia.
3
dia.
4.3±0.2
1.8±0.1
7.3±0.2
3.5
3.4
0.3
6.5±0.5
7.7±0.5
6±0.2
6±0.2
4.5±0.2
3.5 dia.
0.7 0.7
6.5±0.1
4.5±0.2
Four,
1±0.05 dia.
2.4 × 2.4±0.1
4
2
3
1
B3F-1150, B3F-1152, B3F-1155
Side-operated, Projected Plunger Type
B3F-3150, B3F-3152, B3F-3155
Side-operated, Flat Plunger Type
B3F-3100, B3F-3102, B3F-3105
Standard, Projected Plunger Type
(with Ground Terminal)
PCB Mounting (Top View)
(Single-sided PCB, t=1.6)
Terminal Arrangement/
Internal Connections
(Top View)
PCB Mounting (Top View)
(Single-sided PCB, t=1.6)
Terminal Arrangement/
Internal Connections
(Top View)
PCB Mounting (Top View)
(Single-sided PCB, t=1.6)
Terminal Arrangement/
Internal Connections
(Top View)
Side-operated, Flat Plunger Type (Height: 3.85 mm)
B3F-3120, B3F-3122, B3F-3125, B3F-3122-G
PCB Mounting (Top View)
(Single-sided PCB, t=1.6)
Terminal Arrangement/
Internal Connections
(Top View)
0.3
2.4 × 2.4±0.1
4.3±0.2
1.8±0.1
7.3±0.2
3.5
3.4
0.3
0.7
6.5±0.5
7.7±0.5
1.5
4
2
3
5
1
6±0.2
6±0.2
4.5±0.2
3.5 dia. 6.5±0.1
4.5±0.1
4.1±0.1
Five, 1±0.05 dia.
0.7 0.7
4
7.4
3.5
0.3
0.3
2.25 2.5
±0.5
3.15
±0.2
1
4.5±0.5
0.7
7±0.5
8.7
6.25
7.3
3.5 dia.
34
12
2.5±0.1
Two,
1±0.05 dia.
Two, 1.5±0.05 dia.
4.5±0.1
7±0.1
0.3
2.25 2.5
±0.5
3.85
±0.2
1
4
7.4
3.5
0.3
4.5±0.5
0.7
7±0.5
8.7
6.25
7.3
3.5 dia.
34
12
2.5±0.1
Two,
1±0.05 dia.
Two, 1.5±0.05 dia.
4.5±0.1
7±0.1
0.3
2.25 2.5
±0.5
1.8
±0.1
6.15
±0.2
1
4
2.4 × 2.4
±0.1
7.4
3.5
0.3
4.5±0.5
0.7
7±0.5
8.7
6.25
7.3
3.5 dia.
34
12
2.5±0.1
Two,
1±0.05 dia.
Two, 1.5±0.05 dia.
4.5±0.1
7±0.1
6
B3FB3F
12 × 12 mm Models
Note: Unless otherwise specified, a tolerance of ±0.4 mm applies to all dimensions.
B3F-4000, B3F-4005,
B3F-5000, B3F-5001
B3F-4100, B3F-4105,
B3F-5100, B3F-5101
B3F-4050, B3F-4055,
B3F-5050, B3F-5051
B3F-4150, B3F-4155,
B3F-5150, B3F-5151
Standard, Long-durability,
and High-reliability Models
Flat Plunger Type
(without Ground Terminal)
Standard, Long-durability,
and High-reliability Models
Projected Plunger Type
(without Ground Terminal)
Standard, Long-durability,
and High-reliability Models
Projected Plunger Type
(with Ground Terminal)
Standard, Long-durability,
and High-reliability Models
Flat Plunger Type
(with Ground Terminal)
PCB Mounting (Top View)
(Single-sided PCB, t=1.6)
Terminal Arrangement/
Internal Connections
(Top View)
PCB Mounting (Top View)
(Single-sided PCB, t=1.6)
Terminal Arrangement/
Internal Connections
(Top View)
PCB Mounting (Top View)
(Single-sided PCB, t=1.6)
Terminal Arrangement/
Internal Connections
(Top View)
PCB Mounting (Top View)
(Single-sided PCB, t=1.6)
Terminal Arrangement/
Internal Connections
(Top View)
12±0.2 5±0.2
5±0.1
Four,
1.2±0.05 dia.
9±0.1
12±0.2
12.5±0.1
4
2
3
1
Two, 1.8±0.05 dia.
(for positioning boss)
5±0.1
6.9±0.1
Five,
1.2±0.05 dia.
Two, 1.8
±0.05
dia.
(for positioning boss)
9±0.1
12±0.2 5±0.2
1.6
12±0.2
12.5±0.1
4
2
3
5
1
12±0.2 5±0.2
12±0.2
4
2
3
1
5±0.1
Four,
1.2±0.05 dia.
9±0.1
12.5±0.1
Two, 1.8±0.05 dia.
(for positioning boss)
12±0.2 5±0.2
1.6
12±0.2
4
2
3
5
1
5±0.1
6.9±0.1
Five,
1.2±0.05 dia.
Two, 1.8
±0.05
dia.
(for positioning boss)
9±0.1
12.5±0.1
0.311
3.5
7.1 dia.
12.5±0.5
1.6 dia.
9±0.1
13.8±0.5
4.3±0.2
3.5
1
6.9
1
7.1 dia.
9±0.1
4.3±0.2
3.5
0.30.9
3.5
12.5±0.5
13.8±0.5
1.6 dia.
@3.8±0.1
11
7.1 dia.
9±0.1
4.3±0.2
7.3±0.2
3.5
0.3
3.5
1.8±0.2
12.5±0.5
13.8±0.5
1.6 dia.
@3.8±0.1
7.1 dia.
7.3±0.2
4.3±0.2
3.5
0.30.9
3.5
1.8±0.2
12.5±0.5
13.8±0.5
1
6.9
1
9±0.1
1.6 dia.
7
B3FB3F
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 mm × 6 mm Radial Types (Taping Specifications): Sold in Units of 1,000 Switches
Note: Unless otherwise specified, a tolerance of ±0.4 mm applies to all dimensions. No terminal numbers are indicated on the Switches.
(Bottom View)
1
2
8
B3FB3F
Note: Unless otherwise specified, a tolerance of ±0.4 mm applies to all dimensions. No terminal numbers are indicated on the Switches.
Projected Plunger Type
(without Ground Terminal)
B3F-6050, B3F-6052
Projected Plunger Type
(with Ground Terminal)
B3F-6150, B3F-6152
Flat Plunger Type
(with Ground Terminal)
B3F-6120, B3F-6122
PCB Mounting
(Top View)
(Single-sided PCB, t=1.6)
Terminal Arrangement
/Internal Connections
(Top View)
PCB Mounting
(Top View)
(Single-sided PCB, t=1.6)
Terminal Arrangement
/Internal Connections
(Top View)
PCB Mounting
(Top View)
(Single-sided PCB, t=1.6)
Terminal Arrangement
/Internal Connections
(Top View)
Note: The tape is random between surface A
and surface B.
6±0.3
3.5 dia.
6±0.3
5±0.2
2
0.5
(1.1) 0.9
0.2 max.
0.3
0.6
53.4
0.5 max.
5
+0.8
−0.2
3.1
5±0.1
5±0.1
Three, 1+0.1
0 dia. 21
3
21
3
12.7±1
9±0.5
6
12.7±0.3
4±0.2 dia.
11
20±0.5
0.5 max.
2 max.
6.35±1
18
+1
−0.5
Support
tape
Support
tape
Carrier tape
6±0.3
3.5 dia. Surface A
Surface B
6±0.3
0.5
(1.1) 0.9
0.2 max.
0.3
7.3
2.4
3.4
0.5 max.
5
+0.8
−0.2
5±0.1
Two, 1+0.1
0 dia. 21
12.7±1
9±0.5
6
12.7±0.3
4±0.2 dia.
9
0.5 dia.
2 max.
6.35±1
18
+1
−0.5
18
+1
0
Carrier tape
6±0.3
3.5 dia.
6±0.3
5±0.2
2
0.5
(1.1) 0.9
0.2 max.
0.3
0.6
7.3
3.4
0.5 max.
5
+0.8
−0.2
3.1
2.4
5±0.1
5±0.1
Three, 1 +0.1
0 dia.
12.7±1
9±0.5
6
12.7±0.3
4±0.2 dia.
11
20±0.5
0.5 max.
2 max.
6.35±1
18
+1
−0.5
Support
tape
Carrier tape
9
B3FB3F
■Key Tops
B32-series Special Key Tops are available for projected plunger models. Refer to the Datasheet of B32 for details.
■Precautions
Be sure to read the safety precautions common to all Tactile Switches for correct use.
• Application examples provided in this document are for reference only. In actual applications, confirm equipment functions and safety before using the product.
• Consult your OMRON representative before using the product under conditions which are not described in the manual or applying the product to nuclear control systems, railroad
systems, aviation systems, vehicles, combustion systems, medical equipment, amusement machines, safety equipment, and other systems or equipment that may have a serious
influence on lives and property if used improperly. Make sure that the ratings and performance characteristics of the product provide a margin of safety for the system or
equipment, and be sure to provide the system or equipment with double safety mechanisms.
OMRON Corporation
ELECTRONIC AND MECHANICAL COMPONENTS COMPANY Contact: www.omron.com/ecb Cat. No. A070-E1-07
0812(0207)(O)
Note: Do not use this document to operate the Unit.