Ultra-small Tactile Switch (SMT)
Ultra-small-sized Tactile Switch with
High Contact Reliability:
1.2
×
3
×
2.5 mm (H
×
W
×
D)
• Compact switch allows high-density mounting on
PCBs for mobile equipment.
• Dust-proof construction provides high reliability in
dusty environments.
• Surface mounted: Ideal for high-density mounting.
• Models with ground terminals are available for
protection against static electricity.
RoHS Compliant
■
B3U
List of Models
Embossed taping (standard quantity)
Embossed taping (small quantity)
Without
ground
terminal
B3U-1000PM
B3U-3000PM
With ground
terminal
B3U-1100PM
B3U-3100PM
Quantity
Plunger
color
Black
Without
ground
terminal
B3U-1000P
B3U-1000P-B
B3U-3000P
B3U-3000P-B
With ground
terminal
B3U-1100P
B3U-1100P-B
B3U-3100P
B3U-3100P-B
4,000
Quantity per
reel
3,500
Operation
type
Top-actuated
Side-
actuated
Locating pin
Without boss
With boss
Without boss
With boss
1,000
1,000
B3U-1000PM-B B3U-1100PM-B
B3U-3000PM-B B3U-3100PM-B
Note:
■
Orders must be made in multiples of the order unit specified above.
■
Side-actuated
(B3U-3000 Series)
Ratings/Characteristics
Operation
type
Top-actuated
(B3U-1000 Series)
1 to 50 mA, 5 to 12 VDC (resistive load)
-25°C to +70°C at 60%RH max. (with no icing or
condensation)
35% to 85% (at +5 to +35°C)
SPST-NO
100 mΩ max. (initial value) (rated: 1 mA, 5 VDC)
100 MΩ min. (at 100 VDC)
Operating Characteristics
Operation type
Top-actuated
(B3U-1000 Series)
1.50
±
0.49 N
{153
±
50 gf}
0.2 N min. {20 gf}
0.15
+0.2
mm
−0.1
0.2
+0.2
mm
−0.1
Side-actuated
(B3U-3000 Series)
1.59
±
0.49 N
{162
±
50 gf}
Item
Ratings
Item
Operating force (OF)
Releasing force (RF)
Pretravel (PT)
Ambient operating
temperature
Ambient operating
humidity
Contact form
Contact
resistance
Insulation
resistance
Bounce time
Vibration
resistance
Shock resistance
Durability
Maximum
operating force
Weight
Dielectric strength
250 VAC, 50/60 Hz for 1 min
5 ms max.
10 to 55 Hz, 1.5 mm double amplitude
1,000 m/s
2
max.
200,000 operations min.
30 N max.
Approx. 0.022 g
100,000 operations min.
1
B3U
■
B3U
(Unit: mm)
Dimensions
Top-actuated Models
Without Ground Terminal, without Boss
B3U-1000P(M)
Terminal Arrangement
/Internal Connections
(Top View)
With Ground Terminal, without Boss
B3U-1100P(M)
Terminal Arrangement
/Internal Connections
(Top View)
2
1
2
1
3
1.6
+0.15
−0.10
PCB Mounting
(Top View)
1.2
+0.15
−0.10
4.2±
0.1
2.6±
0.1
1.7±
0.1
4
3
4
3
1.6
+0.15
−0.10
1.2
+0.15
−0.10
PCB Mounting
(Top View)
4.2±
0.1
2.6±
0.1
1.7±
0.1
2.5
1.4
2.5
1.4
1.9
1.1
±
0.1
1.1
±
0.1
1.5 dia.
1.5 dia.
0.5
0.8
±
0.1
Without Ground Terminal, with Boss
B3U-1000P(M)-B
Terminal Arrangement
/Internal Connections
(Top View)
With Ground Terminal, with Boss
B3U-1100P(M)-B
Terminal Arrangement
/Internal Connections
(Top View)
2
1
2
1
3
4
3
1.6
+0.15
−0.10
1.2
+0.15
−0.10
PCB Mounting
(Top View)
4.2±
0.1
2.6±
0.1
1.6
+0.15
−0.10
PCB Mounting
(Top View)
1.2
+0.15
−0.10
4.2±
0.1
2.6±
0.1
1.7±
0.1
4
3
2.5
1.4
1.7±
0.1
2.5
Hole: 0.75
+0.1
dia.
0
1.4
1.9
1.1
±
0.1
1.1
±
0.1
1.5 dia.
1.5 dia.
0.5
Hole: 0.75
+0.1
dia.
0
0.8
±
0.1
0.5
0.65
±
0.05
dia.
0.65
±
0.05
dia.
0.5
Note:
Unless otherwise specified, a tolerance of
±0.2
mm applies to all dimensions. No terminal numbers are indicated on the Switches.
2
B3U
Side-actuated Models
Without Ground Terminal, without Boss
B3U-3000P(M)
Terminal Arrangement
/Internal Connections
(Top View)
B3U
With Ground Terminal, without Boss
B3U-3100P(M)
Terminal Arrangement
/Internal Connections
(Top View)
2
1
2
1
3
4
3
1.7
0.9
1.2
+0.15
−0.10
PCB Mounting
(Top View)
1
±0.1
4.2
±0.1
2.6
±0.1
3.2
4
3
1.7
0.9
1.2
+0.15
−0.10
PCB Mounting
(Top View)
1
±
0.1
4.2
±
0.1
2.6
±
0.1
1.95
3.2
1.95
2.5
1.4
1.7
±0.1
2.5
1.4
1.9
1.7
±
0.1
1.1
±0.1
1.1
±0.1
0.5
0.8
±0.1
Without Ground Terminal, with Boss
B3U-3000P(M)-B
Terminal Arrangement
/Internal Connections
(Top View)
With Ground Terminal, with Boss
B3U-3100P(M)-B
Terminal Arrangement
/Internal Connections
(Top View)
2
1
2
1
3
4
3
1.7
0.9
1.2
+0.15
−0.10
PCB Mounting
(Top View)
1
±0.1
4.2
±0.1
2.6
±0.1
3.2
4
3
1.7
0.9
1.2
+0.15
−0.10
PCB Mounting
(Top View)
1
±
0.1
4.2
±
0.1
2.6
±
0.1
1.95
3.2
1.95
2.5
1.4
1.7
±0.1
2.5
1.4
1.9
1.7
±
0.1
1.1
±
0.1
1.1
±
0.1
Hole:
0.75
+0.1
dia.
0
0.5
Hole: 0.75
+0.1
dia.
0
0.8
±
0.1
0.5
0.65
±
0.05
dia.
0.65
±
0.05
dia.
0.5
Note:
■
Unless otherwise specified, a tolerance of
±0.2
mm applies to all dimensions. No terminal numbers are indicated on the Switches.
Precautions
Be sure to read the precautions common to all Tactile Switches on pages for correct use.
3
B3U
B3U
•
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.
Note: Do not use this document to operate the Unit.
OMRON Corporation
ELECTRONIC AND MECHANICAL COMPONENTS COMPANY
Contact: www.omron.com/ecb
Cat. No. A162-E1-05
0812(0207)(O)
京公网安备 11010802033920号
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