Sealed Tactile Switch
B3WN
Through-hole-mounting Switches
with a Double-sealed Structure
for High Resistance to Water and Dust.
Available on Radial Tape
• Sealed construction conforming to IP67 (IEC60529) provides high reliability in dusty or humid
environments. (* Excluding the terminal section)
• As compact as 8 mm × 8 mm.
• Allows the use of radial-taping part insertion
machines.
RoHS Compliant
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List of Models
8 × 8 mm Models
Type
B3WN
Note:
■
Contact
material
Silver plated
Height
Operating force (OF)
Plunger color
Taped Radial
Model without
ground terminal
13 mm
1.96 N {200 gf}
2.55 N {260 gf}
Black
B3WN-6002(S)
B3WN-6005
Minimum
packing unit
1,000 pcs
The switches are tape packaged in units of 1,000 per package. Order in multiples of the package size. Switches are not sold individually
Ratings/Characteristics
Rating (resistive load)
1 to 50 mA, 3 to 12 VDC
Minimum applicable load (reference value)
10 μA at 1 VDC (resistive load)
Ambient operating temperature
-25°C to +85°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 100 VDC with insulation tester)
Dielectric strength
250 VAC, 50/60Hz for 1 min
Bounce time
10 ms max.
Vibration resistance
Malfunction: 10 to 55 Hz, 1.5-mm double amplitude
Shock resistance
Destruction: 784 m/s2 {approx. 80G} max.
Malfunction: 100 m/s2 {approx. 10G} max.
Durability
100,000 operations min.
Weight
Approx. 0.7 g
Degree of protection
IEC IP67
Washing
Possible
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B3WN
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B3WN
Operating Characteristics
Item
B3WN-6002(S)
B3WN-6005
Operating force (OF) 1.96±0.69 N {200±70 gf} 2.55±0.69 N {260 gf±70 gf}
Releasing force (RF)
0.49 N {50 gf} min.
0.3 +0.2
−0.1 mm
Pretravel (PT)
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Model Structure
Pushbutton
Case
Rubber seal
Film
Plunger
Contact dome
Base
Terminal
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Dimensions
Note:
(Unit: mm)
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.
B3WN-6002 (S)
B3WN-6005
1
2
(Bottom View)
8±0.2
Note: The tape is random between surface A and surface B.
8±0.2
12.7±1
6.35±1
2 max.
3.8 dia.
Surface
A
Surface A
13±0.2
Surface
B
Surface
B
Surface
A
9
0.9
Support
tape
C D
0.5 max.
9
+1
0.2 max.
6
5±0.2
9±0.5
180
+1
180.5
PCB Processing Dimensions
(Reference Only)
(Top View)
(PCB thickness, t=1.6)
Two,
+0.1
10
4±0.2 dia.
Terminal Arrangement
/Internal Connections
(Top View)
12.7±0.3
dia.
2
3.85±0.5
12.7±0.3
1
Carrier tape
(0.05)
(0.35)
(0.4)
(Four, C0.1)
C-D Cross-sectional View
Note:
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Unless otherwise specified, a tolerance of ±0.4 mm applies to all dimensions. No terminal numbers are indicated on the Switches.
Precautions
Be sure to read the safety precautions common to all Tactile Switches on pages for correct use.
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B3WN
B3WN
• 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. A112-E1-05
1014(0207)(O)
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