OMRON B3F Technical data
Mechanical Key Switch B3F
Back
A Wide Range of Models: 6 x 6 mm, 12 x
12 mm, Vertical and High-force.
Excellent tactile feel combined with high life
expectancy.
Available in stick packaging for automatic
mounting to PCBs.
Up to 2.55 N (260-gf) operating force for a firmer
operating touch.
Pushbuttons available in nine colors.
Ordering Information
6 x 6 mm Models
Type Plunger Height
Standard Flat
(B3F-1jjj)
Projected
Extended
Vertical Flat
(B3F-3jjj)
Projected
*
(100 / bag)
Plunger type
Appearance
Flat Projected Extended
x pitch
4.3 x 6.5 mm 0.98 N (100 gf)
5.0 x 6.5 mm 0.98 N (100 gf)
5.0 x 7.5 mm 0.98 N (100 gf)
7.3 x 6.5 mm 0.98 N (100 gf)
9.5 x 6.5 mm 0.98 N (100 gf)
3.15 mm
3.85 mm
6.15 mm
4.3
or
Operating W
force (OF)
1.47 N (150 gf)
2.55 N (260 gf)
1.47 N (150 gf)
2.55 N (260 gf)
1.47 N (150 gf)
2.55 N (260 gf)
0.98 N (100 gf)
1.47 N (150 gf)
2.55 N (260 gf)
0.98 N (100 gf)
1.47 N (150 gf)
2.55 N (260 gf)
0.98 N (100 gf)
1.47 N (150 gf)
2.55 N (260 gf)
7.3
ithout ground terminal
Bags *
B3F-1000 B3F-1000S B3F-1100 B3F-1100S
B3F-1002 B3F-1002S B3F-1102 B3F-1102S
B3F-1005 B3F-1005S B3F-1105 B3F-1105S
B3F-1020 B3F-1020S B3F-1120 B3F-1120S
B3F-1022 B3F-1022S B3F-1122 B3F-1122S
B3F-1025 B3F-1025S B3F-1125 B3F-1125S
--- --- B3F-1110 --B3F-1050 B3F-1050S B3F-1150 B3F-1150S
B3F-1052 B3F-1052S B3F-1152 B3F-1152S
B3F-1055 B3F-1055S B3F-1155 B3F-1155S
B3F–1070 --- --- ---
--- --- B3F-3100 ---
--- --- B3F-3102 ---
--- --- B3F-3105 ---
--- --- B3F-3120 ---
--- --- B3F-3122 ---
--- --- B3F-3125 ---
--- --- B3F-3150 ---
--- --- B3F-3152 ---
--- --- B3F-3155 ---
Sticks (90/stick)
Flat (vertical)
9.5
W
ith ground terminal
Bags *
Sticks (75/stick)
Projected (vertical)
3.15 or 3.85
6.15
12 x 12 mm Models
Type Plunger (or
Standard Flat
(B3F-4jjj)
Long life
expectancy
(B3F-5jj0)
High reliability
gold-plated
(B3F-5jj1)
Surface
illumination
(B3F-9jjj)
*
36 per stick for B3F-9
(100 / bag)
**
LED color)
Projected
Flat
Projected
Flat
Projected
Red LED
Green LED
Y
ellow LED
jjj.
Height x pitch
4.3 x 12.5 mm 1.27 N (130 gf)
7.3 x 12.5 mm 1.27 N (130 gf)
4.3 x 12.5 mm 1.27 N (130 gf)
7.3 x 12.5 mm
4.3 x 12.5 mm 1.27 N (130 gf)
7.3 x 12.5 mm
7.3 x 12.5 mm 1.27 N (130 gf)
Operating
force (OF)
2.55 N (260 gf)
2.55 N (260 gf)
B3F-4000 B3F-4000S B3F-4100 B3F-4100S
B3F-4005 B3F-4005S B3F-4105 B3F-4105S
B3F-4050 B3F-4050S B3F-4150 B3F-4150S
B3F-4055 B3F-4055S B3F-4155 B3F-4155S
B3F-5000 B3F-5000S B3F-5100 B3F-5100S
B3F-5050 B3F-5050S B3F-5150 B3F-5150S
B3F-5001 B3F-5001S B3F-5101 B3F-5101S
B3F-5051 B3F-5051S B3F-5151 B3F-5151S
--- B3F-9100 --- ---
--- B3F-9200 --- ---
--- B3F-9300 --- ---
Accessories (order separately)
Special
keytops are available for projected plunger models. See page 27 (Product B32).
Specifications
W
ithout ground terminal
Bags **
Sticks (45/stick)*
W
ith ground terminal
Bags **
Sticks (45/stick)
Ratings
Switching
Insulation voltage
capacity
5 to 24 VDC, 1 to 50 mA (resistive load)
30 VDC
Characteristics
Contact form SPST-NO
Contact resistance
Insulation resistance
Dielectric strength
Bounce time
V
ibration resistance
Shock resistance
Life expectancy
Ambient temperature
Ambient humidity
Weight
100 mΩ max. (at 5 VDC, 1 mA; initial value.)
100 MΩ min. (at 250 VDC)
500 V
AC, 50/60 Hz for 1 min
5 ms max.
Malfunction: 10 to 55 Hz, 1.5 mm double amplitude
Destruction: 1,000 m/s2 min. (Approx. 100 G min.)
Malfunction: 100 m/s2 min. (Approx. 10G min.)
B3F-1jjj
100-gf OF:
150-gf OF:
260-gf OF:
B3F-4jjj:
130-gf OF:
260-gf OF:
B3F-5jjj
B3F-9jjj
–25°
C to 70°C (with no icing)
35% to 85%
6 x 6 mm models: approx. 0.25 g
12 x 12 mm models: approx. 0.85 g
, -3
jjj:
1,000,000 operations min.
300,000 operations min.
100,000 operations min.
3,000,000 operations min.
1,000,000 operations min.
: 10,000,000 operations min.
: 1,000,000 operations min.
Operating Characteristics
Model
100 gf models 150 gf models 260 gf models 130 gf models 260 gf models
B3F-1jj
Operating force (OF)
Reset force
(RF min.)
Pretravel (PT) 0.25
0.98±
(100±
0.2 N (20 gf)
0.32 N
30 gf)
+0.2
0, -3
jj0 B3F-1jj
/
mm
–0.1
B3F-1jjj,
1.47±
(150±
0.49 N (50 gf) 0.49 N (50 gf) 0.29 N (30 gf) 0.49 N (50 gf)
0.49 N
50 gf)
-3
jjj B3F-4jjj
2, -3
jj2 B3F-1jj
2.55±
(260±
0.69 N
70 gf)
5, -3
jj5 B3F-4jj0,
-5jj
1.27±
(130±
+0.2
0.3
0.49 N
50 gf)
/
0, -9
–0.1
jj0
mm
, -5
jjj
2.55±
(260±
, -9
jjj
B3F-4jj5
0.69 N
70 gf)
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