TACT Switch
TM
10mm Square Water-proof (Snap-in Type)
SKQB
Series
Excellent water-proof and dust-proof structure suitable for home appliances used around water.
Detector
Push
Slide
Rotary
Encoders
Power
Dual-in-line
Package Type
TACT Switch
TM
Operating Operating Travel Rating Rating Operating life Initial contact
direction
（mm） （max.） （min.） （5mA
5V DC） resistance
force
1.57N
2.55N
1.57N
Vertical
0.3
2.55N
1.57N
2.55N
50mA 10BA
12V DC 1V DC
Product Line
Vertical Type
Product No.
SKQBARA010
SKQBASA010
SKQBAPA010
SKQBAJA010
SKQBAQA010
SKQBAMA010
Stem
color
Dark gray
h=5mm
Red
Dark gray
h=13mm
Red
2
Dark gray
h=23.2mm
Red
1,000
1
Stem
height
Minimum order Drawing
unit pcs.）
（
No.
Custom-
Products
100,000cycles
500mΩ
max.
Sharp
Feeling
Soft
Feeling
Snap-in
Type
Horizontal Type
Product No.
SKQBLBA010
Operating Operating Travel Rating Rating Operating life Initial contact
force
direction
（mm）（max.） （min.） （5mA
5V DC） resistance
1.57N
Horizontal
0.3
50mA
12V DC
10BA
1V DC
100,000cycles
500mΩ
max.
Stem
color
Dark gray
Minimum order Drawing
unit pcs.）
（
No.
1,000
3
Surface
Mount Type
Radial
Type
Notes
1. When the switch is used in an environment subject to high humidity or condensation, make sure the terminals are
coated thoroughly to prevent current leakage between terminals.
2. Avoid using coating material containing toluene or xylene. For more information on coating material, please contact
us.
Refer to
P.306
for soldering conditions.
265
TACT Switch
TM
10mm Square Water-proof (Snap-in Type)
SKQB
Series
Dimensions
No.
Photo
Vertical type
Stem height : 5mm
Style
Unit:mm
PC board mounting hole dimensions
（Viewed
from switch mounting face）
Detector
Push
Slide
Rotary
Encoders
1
H10
2
6
1
3
ø4
Stem
4
4.15
5
10.3
4-ø1 holes
10.3
0.7
0.7
Power
Dual-in-line
Package Type
TACT Switch
TM
Custom-
Products
3
øA
Stem
Vertical type
H10
1
2
3.5
h
13
A
3.8
3.5
6
6
4
23.2
2
h
10.3
4-ø1 holes
10
10.3
0.7
0.7
Sharp
Feeling
Soft
Feeling
Horizontal type
3.5
ø4
Snap-in
Type
Surface
Mount Type
Radial
Type
11.5
2-ø
1.3
h
11.1
ole
s
0.3
11
6
2-ø
1h
10
6
ole
s
0.7
1
0.7
6
11.1
2
3.5
0.3
3.4
4.2
1
4.2
7.7
Note
Please use 1.6mm thick PC boards.
Circuit Diagram
Vertical type
Horizontal type
1
2
1
2
3
4
Water Resisting Performance
Model
Items
Temperature of water
Depth of water
Immersion duration
SKQBAP/SKQBAJ/SKQBAQ/
SKQBAM/SKQBAR/SKQBAS
60℃
10cm
240h
SKQBLB
60℃
10cm
1h
Note
Switch terminals must be coated thoroughly until the terminals are all hidden.
Refer to
P.306
for soldering conditions.
266
4.2
3
Stem
6
TACT Switch
TM
List of Varieties
Sharp Feeling Type
Series
SKHR
SKHL
SKHH
SKHW
SKRD
SKQJ
SKHL
SKHH
SKQJ
SKHJ
SKQB
Detector
Push
Type
Features
Operating
direction
Vertical
Horizontal
W
Dimensions
（mm）
□4.5
6
□6
3.5
3.8
4.3
7.15
7.4
5
●
―
●
―
●
Dust–proof Horizontal
type
type
●
―
●
6.2
□6.6
7.22
4.3
7.4
7.85
7.3
8.5
5
Snap–in
―
●
―
●
7.3
Horizontal type
―
●
7.5
□8
□10
●
With
LED
●
―
Water–
proof
●
Photo
Slide
Rotary
Encoders
Power
Dual-in-line
Package Type
TACT Switch
TM
D
H
1N
Custom-
Products
Operation
force
coverage
5N
Ground terminal
Operating
temperature
range
Electrical
performance Durability
Insulation
resistance
Voltage
proof
Vibration
Lifetime
Cold
Dry heat
Damp heat
Page
252
253
255
259
―
●
―
●
●
―
½20℃
to
＋70℃
SKHJ/HL Vertical Type）/QJ
（
½30℃
to
＋85℃
100MΩ min. 100V DC
250V AC for 1min.
10 to 55 to 10Hz/min., the amplitude is 1.5mm for all the frequencies,
in the 3 direction of X, Y and Z for 2hours respectively
Shall be in accordance with individual specifications.
½30±2℃
for 96h
80±2℃ for 96h
60±2℃, 90 to 95%RH for 96h
260
261
253
255
261
263
265
Sharp
Feeling
Soft
Feeling
Snap-in
Type
Surface
Mount Type
Radial
Type
●
TACT Switch
TM
Soldering Conditions ………………………………………………………………………………………306
●
TACT Switch
TM
Cautions ………………………………………………………………………………………………………307
●
Product Line of Knob for TACT Switch
TM
……………………………………………………………………………………308
Note
The automotive operating temperature range to be individually discussed upon request.
Environmental
performance
W：Width. The most outer dimension excluding terminal portion.
D
：Depth.
The most outer dimension excluding terminal portion.
H
：Height.
The minimum dimension if there are variances.
247
TACT Switch
TM
Soldering Conditions
Condition for Reflow
Available for Surface Mount Type.
1. Heating method: Double heating method with infrared heater.
2. Temperature measurement: Thermocouple 0.1 to 0.2φ CA
（K）
CC
or
（T）
solder joints copper foil surface） A heat resistive tape
at
（
.
Detector
Push
Slide
Rotary
Encoders
Power
should be used to fix thermocouple.
3. Temperature profile
Temperature (˚C )
260˚C max. 3 sec max.
180
150
Time
230˚C
Dual-in-line
Package Type
TACT Switch
TM
120 sec max. pre-heating ）
（
3 to 4min.
40s max.
Custom-
Products
Time inside soldering equipment
Note
1. The above temperature shall be measured on the mounting surface of a PC board. There are cases where the PC
board's temperature greatly differs from that of the switch, depending on the material, size, thickness of PC boards
and others. The above-stated conditions shall also apply to switch surface temperatures.
2. Soldering conditions differ depending on reflow soldering machines. Prior verification of soldering condition is
highly recommended.
Sharp
Feeling
Soft
Feeling
Snap-in
Type
Surface
Mount Type
Radial
Type
Conditions for Auto-dip
Available for Snap-in Type and Radial Type
（Except
SKHJ, SKHL, SKQJ, SKQK, SKEG series）
Items
Flux built-up
Condition
Mounting surface
should not be exposed to fluk
Ambient temperature of the soldered
surface of PC board.
100℃ max.
60s max.
260℃ max.
5s max.
2times max.
Manual Soldering（Except SKRT Series）
Items
Soldering temperature
Duration of soldering
Capacity of soldering iron
Condition
350℃max.
3s max.
60W max.
Preheating temperature
Preheating time
Soldering temperature
Duration of immersion
Number of soldering
Notes
1.
2.
3.
4.
5.
Consult with us for availability of TACT Switch
TM
washing.
Prevent flux penetration from the top side of the TACT Switch
TM
.
Switch terminals and a PC board should not be coated with flux prior to soldering.
The second soldering should be done after the switch is stable with normal temperature.
Use the flux with a specific gravity of min 0.81.
（EC-19S-8
by TAMURA Corporation, or equivalents.）
306
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