KSF & KSFI Series
Soft Actuated Tact Switch
Features/Benefits
Typical Applications
•
•
•
Soft actuated switch
Sealed front end
Top and side actuated
•
•
•
Low profile keyboards
Automotive interfaces
Industrial control
Specification
FUNCTION: momentary action
CONTACT ARRANGEMENT: 1 make conact = SPST, N.O.
TERMINALS: THT pins
Electrical
Silver
Gold
B
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.): > 250 Vrms
CONTACT RESISTANCE: < 100 m Ω
INSULATION RESISTANCE (100 V, initial stage): > 10 Ω
BOUNCE TIME: < 1 ms
Force
(N)
1.5 0.5
1.9 0.5
3.0 0.ꢀ5
5.2 1.0
Operating life
(operations)
100,000
100,000
100,000
100,000
100,000
300,000
100,000
Travel
(mm)
Type
9
KSF0M211LFTR
KSF0M311LFTR
KSF0M411LFTR
KSF0M511LFTR
0.25 0.1
0.25 0.1
0.25 0.1
0.25 0.1
0.65 0.25
0.25 0.1
0.ꢀ5 0.25
Environmental
Silver
Gold
OPERATING TEMPERATURE: -40˚C to 85˚C -40˚C to 125˚C
KSFI0V911ꢀ0SH LFTR 3.4 1.5
KSF0M212 LFT 1.6 0.4
KSFI0M412 ꢀ0SHLFT 3.2 0.8
STORAGE TEMPERATURE:
-55˚C to 85˚C -40˚C to 125˚C
Process
SOLDERING
Overload resistance: 40N, 1 time
Sealing: IP60 or IP6ꢀ
NOTE:
Other configurations of haptics and terminals are available upon demand.
Please also refer to KSF and KSFI Mk2 catalogues pages for other options.
Packaging
In boxes of 250 pieces (V type) or 500 pieces (M type).
This product is designed and manufactured for general electronic devices. For
systems where reliability and safety are required, please contact your sales
representative to secure product integration and function to secure usage.
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.
K
S
0
L
F
T
R
RoHS compliant and compatible.
Tin plated.
Type
F Flat membrane
FI Soft actuator
Sealing
1 IP60
2 IP6ꢀ *** note selecting this option part number will end with LFT
Insertion
M Manual (bulk packaging)
V Automatic (bulk packaging)**
Contact Material
1 Silver
3 Gold
* valid for KSFI only
** valid for KSFI MK1 series only
Operation Force
2 1.5 N (150 grams)*
3 1.9 N (190 grams)*
4 3 N (300 grams)*
5 5.2 N (520 grams)*
9 3.4 N (340 grams)**
*NOTE: Products must be checked according customers soldering
parameters especially in terms of flux resistance.
Dimensions are shown: mm
Specifications and dimensions subject to change
26 jul 16
www.ckswitches.com
B–82
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