KSB & KSF Series
Low-profile Tact Switch
Features/Benefits
•
Low profile
•
Protected against flux
•
KSB without top sealing
•
KSF with top sealing
•
RoHS compliant and compatible
Specification
CONTACT ARRANGEMENT: SPST, N.O.
DOUBLE OVERMOLDING ON TERMINAL
SEALING: IP40 (KSB) AND IP60
TERMINALS: PC pins
Typical Applications
•
Low profile keyboards
•
Instrumentation
•
Industrial control
•
Medical
•
Military
Silver
Gold
0.2 VA
32 VDC
20 mV
10 mA
1 mA
Ω
Electrical
Mechanical
Type
KSB0M110
KSB0M410
KSF0M211
KSF0M311
KSF0M411
KSF0M511
KSF0M911
Actuation force
Newtons
1.2 - 2.0
2.25 - 3.75
1.0 - 2.0
1.4 - 2.4
2.25 -3.75
4.2 - 6.25
2.3 - 3.9
Operating life
(operations)
100,000
500,000
100,000
500,000
100,000
100,000
500,000
MAXIMUM POWER:
1 VA
MAXIMUM VOLTAGE:
32 VDC
MINIMUM VOLTAGE:
20 mV
MAXIMUM CURRENT:
50 mA
MINIMUM CURRENT:
1 mA
DIELECTRIC STRENGTH (50 Hz, 1 min.): 300 Vrms
CONTACT RESISTANCE: KSF 100 m
Ω;
KSB 100 m
INSULATION RESISTANCE (100 V):
≤
10
9
Ω
BOUNCE TIME: 1 ms
B
Tactile Switches
Environmental
OPERATING TEMPERATURE:
STORAGE TEMPERATURE:
Silver
-40˚C to 85˚C
-40˚C to 85˚C
Gold
-40˚C to 125˚C
-55˚C to 125˚C
Process
Wave soldering compatible with lead free soldering profile.
NOTE:
Specifications listed above are for switches with standard options.
For information on specific and custom switches, consult Customer Service Center.
Other versions in terms of force, termination length and corrosion protection available.
Please contact your sales representative.
This data sheet does not provide enough information for applications which require a
certain level of quality or safety such as automotive, medical systems, safety equipment.
Please contact your sales representative to get contractual specification package.
Packaging
KSF can be delivered in tubes of 65 pieces for automatic insertion
or boxes of 500 parts. KSB in boxes of 500 pieces for manual
insertion.
How To Order
Our easy build-a-switch concept allows you to mix and match options to create the switch you need. To order, select
desired option from each category and place it in the appropriate box.
However, please note that all the combinations of these options are not feasible.
For any part number different from those listed above, please consult your local representative.
SWITCH
K
S
L
F
T
RoHS compliant and compatible.
Tin plated.
Type
B
Without actuator
F
Flat membrane
Ground Terminal
0
Without
1
With
Insertion
M
Manual (bulk packaging)
A
Automatic (tube packaging)*
* KSF only
Sealing
0
Sealed against flux (KSB) IP40
1
Sealed IP60
2
High performance seal IP67
Contact Material
1
Silver contacts
3
Gold contacts
*NOTE:
Products must be checked according customers soldering
parameters especially in terms of flux resistance.
Operation Force
1
1.6 N (160 grams), 100,000 operations (KSB only)
2
1.3 N (130 grams), 100,000 operations (KSF only)
3
1.6 N (160 grams), 500,000 operations (KSF only)
4
3 N (300 grams), 100,000 operations
5
5 N (500 grams), 100,000 operations (KSF only)
9
3 N (300 grams), 500,000 operations (KSF only)
B
T
N
K
1
0
Button Color
10
Dark gray
20
Light gray
30
Yellow
40
Red
50
Green
BUTTON for KSF
Button must be ordered separately
and will be supplied in bulk.
Button Style
K10
10 mm square
60
Blue
70
Gray-blue
80
Ivory
90
Black
Dimensions shown in: mm (inch)
Specifications and dimensions subject to change
B–53
www.ck-components.com
KSB & KSF Series
Low-profile Tact Switch
ø4,6+0,25/-0,15
(.181+.010/-.006)
KSB
4,2
(.165)
RECOMMENDED SHAPE
OF ACTUATOR
4˚ max.
0,45
(.018)
B
Tactile Switches
9,0
(.354)
7,62
(.30)
0,5+ x 0,3
(.020 x .012)
5,08
(.20)
2,01
(.079)
KSB0M110
A
L min. 0,9
(.035)
PCB LAYOUT
7,4
(.291)
ø0,9+0,1/-0,0
(.035+.004/-.000)
5,08
(.20)
R 0,2
(.008)
Smooth surface
ø2,0
(.079)
ø0,2 A
7,4
(.291)
7,62
(.30)
KSF
0,45
(.018)
2,6
(.102)
4,2
(.165)
RECOMMENDED SHAPE
OF ACTUATOR
4˚ max.
A
0,2
(.008)
7,62
(3,0)
9,0
(.354)
ø3,5
(.138)
0,5 x 0,3
(.020 x .012)
5,08
(.20)
L min. 1,5
(.059)
KSF0M111
7,4
(.291)
PCB LAYOUT
R 0,2
(.008)
Smooth surface
ø2,0
(.079)
ø0,2 A
ø0,9+0,1/-0,0
(.035+.004/-.000)
7,4
(.291)
7,62
(.30)
BUTTON
K10
BUTTON FOR KSF ONLY
Button must be ordered separately and will be supplied in bulk.
R 0,3
(.012)
0,8
(.031)
1,0
(.039)
4,4
(.173)
1,0
(.039)
R
(.0 0,3
12
)
10 (.394)
8,0
(.315)
8,0
(.31)
10
(.394)
3,7
(.146)
4,9
(.19)
5,08
(.20)
5
0, )
R 020
(.
Dimensions shown in: mm (inch)
Specifications and dimensions subject to change
B–54
www.ck-components.com
