www.ck-components.com
B–53
Dimensions shown in: mm (inch)
Specifications and dimensions subject to change
Tactile Switches
B
Actuation force Operating life
Type Newtons (operations)
KSB0M110 1.2 - 2.0 100,000
KSB0M410 2.25 - 3.75 500,000
KSF0M211 1.0 - 2.0 100,000
KSF0M311 1.4 - 2.4 500,000
KSF0M411 2.25 -3.75 100,000
KSF0M511 4.2 - 6.25 100,000
KSF0M911 2.3 - 3.9 500,000
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
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.
Ground Terminal
0Without
1With Insertion
MManual (bulk packaging)
AAutomatic (tube packaging)*
K S L F T
Contact Material
1Silver contacts
3Gold contacts
Type
BWithout actuator
FFlat membrane
Operation Force
11.6 N (160 grams), 100,000 operations (KSB only)
21.3 N (130 grams), 100,000 operations (KSF only)
31.6 N (160 grams), 500,000 operations (KSF only)
43 N (300 grams), 100,000 operations
55 N (500 grams), 100,000 operations (KSF only)
93 N (300 grams), 500,000 operations (KSF only)
Sealing
0Sealed against flux (KSB) IP40
1Sealed IP60
2High performance seal IP67
RoHS compliant and compatible.
Tin plated.
Specification
CONTACT ARRANGEMENT: SPST, N.O.
DOUBLE OVERMOLDING ON TERMINAL
SEALING: IP40 (KSB) AND IP60
TERMINALS: PC pins
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.
Mechanical
Electrical Silver Gold
MAXIMUM POWER: 1 VA 0.2 VA
MAXIMUM VOLTAGE: 32 VDC 32 VDC
MINIMUM VOLTAGE: 20 mV 20 mV
MAXIMUM CURRENT: 50 mA 10 mA
MINIMUM CURRENT: 1 mA 1 mA
DIELECTRIC STRENGTH (50 Hz, 1 min.): 300 Vrms
CONTACT RESISTANCE: KSF 100 m Ω; KSB 100 m Ω
INSULATION RESISTANCE (100 V): ≤109Ω
BOUNCE TIME: 1 ms
Environmental Silver Gold
OPERATING TEMPERATURE: -40˚C to 85˚C -40˚C to 125˚C
STORAGE TEMPERATURE: -40˚C to 85˚C -55˚C to 125˚C
Process
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.
B T N K 1 0
Button Style
K10 10 mm square Button Color
10 Dark gray
20 Light gray
30 Yellow
40 Red
50 Green
60 Blue
70 Gray-blue
80 Ivory
90 Black
BUTTON for KSF Button must be ordered separately
and will be supplied in bulk.
SWITCH
* KSF only
*NOTE: Products must be checked according customers soldering
parameters especially in terms of flux resistance.
www.ck-components.com
B–54
Dimensions shown in: mm (inch)
Specifications and dimensions subject to change
Tactile Switches
B
7,62
(3,0)
9,0
(.354)
0,45
(.018)
0,2
(.008)
2,6
(.102)
4,2
(.165)
5,08
(.20)
0,5 x 0,3
(.020 x .012)
7,4
(.291)
7,4
(.291)
ø3,5
(.138)
10
(.394)
4,9
(.19)
1,0
(.039)
3,7
(.146)
R 0,3
(.012)
R 0,5
(.020)
R 0,3
(.012)
8,0
(.31)
4,4
(.173)
0,8
(.031)
10 (.394)
8,0
(.315)
1,0
(.039)
K10 BUTTON FOR KSF ONLY Button must be ordered separately and will be supplied in bulk.
BUTTON
ø4,6+0,25/-0,15
(.181+.010/-.006)
0,45
(.018)
7,62
(.30)
9,0
(.354)
7,4
(.291)
7,4
(.291)
4,2
(.165)
0,5+ x 0,3
(.020 x .012)
5,08
(.20)
2,01
(.079)
Smooth surface
ø2,0
(.079)
R 0,2
(.008)
L min. 0,9
(.035)
4˚ max.
ø0,2 A
A
RECOMMENDED SHAPE
OF ACTUATOR
7,62
(.30)
ø0,9+0,1/-0,0
(.035+.004/-.000)
5,08
(.20)
PCB LAYOUT
Smooth surface
ø2,0
(.079)
R 0,2
(.008)
L min. 1,5
(.059)
4˚ max.
ø0,2 A
A
RECOMMENDED SHAPE
OF ACTUATOR
KSF0M111
7,62
(.30)
ø0,9+0,1/-0,0
(.035+.004/-.000)
5,08
(.20)
PCB LAYOUT
KSB
KSF
KSB & KSF Series
Low-profile Tact Switch
KSB0M110
