KSB & KSF Series
Low-profile Tact Switch
Features/Benefits
Typical Applications
•
•
•
•
•
Low profile
•
•
•
•
•
Low profile keyboards
Instrumentation
Industrial control
Medical
Protected against flux
KSB without top sealing
KSF with top sealing
RoHS compliant and compatible
Military
Specification
Electrical
Silver
Gold
B
CONTACT ARRANGEMENT: SPST, N.O.
DOUBLE OVERMOLDING ON TERMINAL
SEALING: IP40 (KSB) AND IP60
TERMINALS: PC pins
MAXIMUM POWER:
MAXIMUM VOLTAGE:
MINIMUM VOLTAGE:
MAXIMUM CURRENT:
MINIMUM CURRENT:
1 VA
32 VDC
20 mV
50 mA
1 mA
0.2 VA
32 VDC
20 mV
10 mA
1 mA
Mechanical
DIELECTRIC STRENGTH (50 Hz, 1 min.): 300 Vrms
Actuation force
Newtons
1.2 - 2.0
2.25 - 3.75
1.0 - 2.0
Operating life
CONTACT RESISTANCE: KSF 100 m Ω; KSB 100 m Ω
INSULATION RESISTANCE (100 V): ≤ 109 Ω
BOUNCE TIME: 1 ms
Type
(operations)
100,000
500,000
100,000
500,000
100,000
100,000
500,000
KSB0M110
KSB0M410
KSF0M211
KSF0M311
KSF0M411
KSF0M511
KSF0M911
Environmental
Silver
Gold
1.4 - 2.4
OPERATING TEMPERATURE:
STORAGE TEMPERATURE:
-40˚C to 85˚C -40˚C to 125˚C
-40˚C to 85˚C -55˚C to 125˚C
2.25 -3.75
4.2 - 6.25
2.3 - 3.9
Process
NOTE: Specifications listed above are for switches with standard options.
Wave soldering compatible with lead free soldering profile.
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.
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.
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.
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
Sealing
0 Sealed against flux (KSB) IP40
1 Sealed IP60
2 High performance seal IP67
Ground Terminal
0 Without
1 With
Contact Material
1 Silver contacts
3 Gold contacts
Insertion
M Manual (bulk packaging)
A Automatic (tube packaging)*
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)
* KSF only
*NOTE: Products must be checked according customers soldering
parameters especially in terms of flux resistance.
BUTTON for KSF Button must be ordered separately
B
T
N
K
1
0
and will be supplied in bulk.
Button Style
K10 10 mm square
Button Color
10 Dark gray
20 Light gray
30 Yellow
60 Blue
70 Gray-blue
80 Ivory
40 Red
90 Black
50 Green
Dimensions are shown: Inch (mm)
Specifications and dimensions subject to change
www.ck-components.com
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