OMRON OMR B3F-3100 Datasheet

Through-hole-mounting Switches

Flat type

in a Wide Range of Models:
6 × 6 mm, 12 × 12 mm, Side-operated
Models, Gold-plated Contacts, and
Radial Tape

B3F Tactile Switch

• Extended mechanical/electrical durability: 10 x 106
operations for 12 x 12 mm type and 1 x 10

6

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

• B32-series Key Tops mount to models with
projected plungers.

RoHS Compliant

■ List of Models

6 × 6 mm Models

Type

Standard:
B3F-1000
Series

Contact
material

Silver
plated

Plunger Height Operating

4.3 mm 0.98 N {100 gf} lvory B3F-1000

5.0 mm 0.98 N {100 gf} Black B3F-1020 B3F-1120

5.0 mm
(7.5-mm pitch)

7.0 mm 0.98 N {100 gf} Black B3F-1060 ---

9.5 mm 0.98 N {100 gf} Black B3F-1070 ---

Projected type

7.3 mm 0.98 N {100 gf} lvory B3F-1050 B3F-1150

force (OF)

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 ---

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 ---

0.98 N {100 gf} Black --- B3F-1110

1.47 N {150 gf} Yellow B3F-1062 ---

1.47 N {150 gf} Yellow B3F-1072 ---

2.55 N {260 gf} Orange B3F-1075 ---

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 ---

Plunger

color

Without ground

terminal

Minimum

packing unit

100 pcs

Bags

B3F-1100

With ground

terminal

Minimum

packing unit

100 pcs

1

B3FB3F

Type

Side­operated:
B3F-3000
Series

High­reliability
gold-plated:
B3F-1000-G
Series

Side­operated
with highly
reliable
gold-plated:
B3F-3000-G
Series

Contact
material

Silver
plated

Gold
plated

Plunger Height Operating

Flat type

Projected type

Flat type

Projected type

Flat type

3.15 mm 0.98 N {100 gf} lvory ---

3.85 mm 0.98 N {100 gf} Black --- B3F-3120

6.15 mm 0.98 N {100 gf} lvory --- B3F-3150

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

9.5 mm Yellow B3F-1072-G

7.3 mm Yellow B3F-1052-G ---

3.85 mm Gray --- B3F-3122-G

force (OF)

1.47 N {150 gf} Yellow --- B3F-3102

2.55 N {260 gf} Orange --- B3F-3105

1.47 N {150 gf} Gray --- B3F-3122

2.55 N {260 gf} Pink --- B3F-3125

1.47 N {150 gf} Yellow --- B3F-3152

2.55 N {260 gf} Orange --- B3F-3155

Plunger

color

Without ground

terminal

(see note)

(see note)

Minimum

packing unit

100 pcs

Bags

B3F-3100

---

---

(see note)

With ground

terminal

Minimum

packing unit

100 pcs

Note: Bulk Packaged, 100 Switches per bag. Order in multiples of the package quantity.

12 × 12 mm Models

Type

Standard:
B3F-4000
Series

Long durability:
B3F-5000 Se­ries

High reliability
gold-plated:
B3F-5001
Series

Note: Bulk Packaged, 100 switches per bag. Order in multiples of the package quantity.

Contact
material

Silver
plated

Silver
plated

Gold
plated

Plunger

(or LED color)

Flat type 4.3 mm 1.27 N {130 gf} lvory B3F-4000

Projected type 7.3 mm 1.27 N {130 gf} lvory B3F-4050 B3F-4150

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

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

Height Operating

force (OF)

2.55 N {260 gf} Yellow B3F-4005 B3F-4105

2.55 N {260 gf} Yellow B3F-4055 B3F-4155

Plunger

color

Without ground

terminal

Minimum

packing unit

100 pcs

Bags

With ground

terminal

B3F-4100

6 × 6 mm Radial Models (Taping Specifications)

Typ e

Taped
Radial:
B3F-6000
Series

Note:

Contact
material

Silver
plated

The switches are tape packaged in units of 1,000 per package. Order in multiples of the package size. Switches are not sold individually.

Plunger Height Operating

force (OF)

Flat type 4.3 mm 0.98 N {100 gf} lvory B3F-6000

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

Plunger

color

Without ground

terminal

Taped Radial

Minimum

packing unit

1,000 pcs

With ground

terminal

B3F-6100

Minimum

packing unit

100 pcs

Minimum

packing unit

1,000 pcs

2

■ Ratings/Characteristics

Rating (resistive load) 1 to 50 mA, 3 to 24 VDC (B3F-G: 100 μA to 50 mA, 3 to 24 VDC)

Minimum applicable load (reference value)

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 (initial value) 100 mΩ max.

Insulation resistance 100 MΩ min. (at 250 VDC with insulation tester)

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

Durability B3F-1000, B3F-3000, B3F-6000:

Weight 6 × 6 mm models: approx. 0.25 g

Degree of protection IEC IP00

Washing Not possible

10 μA at 1 VDC (resistive load)

2

Destruction: 1,000 m/s
Malfunction: 100 m/s

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 {130 gf})
1,000,000 operations min (OF: 2.55 N {260 gf})

B3F-5000/5001:

10,000,000 operations min.

B3F-G:

300,000 operations min.

12 × 12 mm models (standard types): approx. 0.85 g
Radial models: approx. 0.25 g

{approx. 100G} max.

2

{approx. 10G} max.

B3FB3F

■ Operating Characteristics

6 × 6 mm Models

B3F-1000, B3F-3000, B3F-6000 B3F-G

Operating force (OF) 0.98 N 1.47 N 2.55 N 4.9 N 1.76 N

B3F-1@@0

Item

Operating force (OF) 0.98±0.29 N

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. 0.49 N {50 gf}min.

Pretravel (PT)

B3F-3@@0
B3F-6@@0

{100±30 gf}

+0.2

/

0.25

–0.1

mm

B3F-1@@2
B3F-3@@2
B3F-6@@2

1.47±0.49 N
{150±50 gf}

B3F-1@@5
B3F-3@@5

2.55±0.69 N
{260±70 gf}

B3F-10@6B3F-1@@2-G

4.9±1.47 N
{500±150 gf}

B3F-3@@2-G

1.76±0.49 N
{180±50 gf}

0.25

+0.2

/

–0.1

mm

12 × 12 mm Models

B3F-4000, B3F-5000, B3F-5001

Operating force (OF) 1.27 N 2.55 N

B3F-4@@0

Item

Operating force (OF) 1.27±0.49 N

Releasing force (RF) 0.29 N {30 gf} min. 0.49 N {50 gf} min.

Pretravel (PT)

B3F-5@@0
B3F-5@@1

{130±50 gf}

+0.2

/

0.3

–0.1

mm

B3F-4@@5

2.55±0.69 N
{260±70 gf}

3