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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
Typical Applications
? Low profile keyboards
? Instrumentation
? Industrial control
? Medical
? Military
Specification
CONTACT ARRANGEMENT: SPST, N.O.
DOUBLE OVERMOLDING ON TERMINAL
SEALING: IP40 (KSB) AND IP60
TERMINALS: PC pins
Mechanical
Electrical Silver
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
Gold
0.2 VA
32 VDC
20 mV
10 mA
1 mA
B
Actuation force
Operating life
CONTACT RESISTANCE: KSF 100 m ? ; KSB 100 m
?
Type
KSB0M110
KSB0M410
Newtons
1.2 - 2.0
2.25 - 3.75
(operations)
100,000
500,000
INSULATION RESISTANCE (100 V): ≤ 10 9 ?
BOUNCE TIME: 1 ms
KSF0M211
KSF0M311
KSF0M411
KSF0M511
KSF0M911
1.0 - 2.0
1.4 - 2.4
2.25 -3.75
4.2 - 6.25
2.3 - 3.9
100,000
500,000
100,000
100,000
500,000
Environmental
OPERATING TEMPERATURE:
STORAGE TEMPERATURE:
Process
Silver
-40?C to 85?C
-40?C to 85?C
Gold
-40?C to 125?C
-55?C to 125?C
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.
Wave soldering compatible with lead free soldering profile.
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
Type
B Without actuator
F Flat membrane
Ground Terminal
Sealing
0 Sealed against flux (KSB) IP40
1 Sealed IP60
2 High performance seal IP67
RoHS compliant and compatible.
Tin plated.
* KSF only
0 Without
1 With
Insertion
M Manual (bulk packaging)
A Automatic (tube packaging)*
Contact Material
1 Silver contacts
3 Gold contacts
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
*NOTE : Products must be checked according customers soldering
parameters especially in terms of flux resistance.
5 5 N (500 grams), 100,000 operations (KSF only)
9 3 N (300 grams), 500,000 operations (KSF only)
BUTTON for KSF Button must be ordered separately
and will be supplied in bulk.
B
T
N
K
1
0
Button Style
Button Color
K10 10 mm square
10 Dark gray
20 Light gray
30 Yellow
40 Red
50 Green
60 Blue
70 Gray-blue
80 Ivory
90 Black
Dimensions are shown: Inch (mm)
Specifications and dimensions subject to change
B–53
www.ck-components.com
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