KSS Series
Subminiature SMT Side Actuated
Features/Benefits
• Low profile of 1.7 mm
• Excellent tactile feel
• High shear force
• Range of actuation forces
• Large flat top
• RoHS compliant and compatible
Typical Applications
• Cellular phone
• Industrial electronics
• Health diagnostic electronics
B
Electrical
FUNCTION: momentary action
CONTACT ARRANGEMENT: N.O.
TERMINALS: Gullwing
IP40 sealed
MAXIMUM POWER:
1 VA
MAXIMUM VOLTAGE: 32 VDC
MAXIMUM CURRENT: 50 mA
MINIMUM CURRENT:
1 mA
DIELECTRIC STRENGTH: ≥ 250 VDC
CONTACT RESISTANCE: < 100 mΩ
INSULATION RESISTANCE (100 VDC): ≥ 109 Ω
BOUNCE TIME: < 3 ms
Mechanical
OVERLOAD: 20N
TACTILE FEELING: 2 and 4N: 25% min.
2.5N: 30% min.
Type
KSS221G
KSS231G
KSS241G
Environmental
Operating force
Operating life
Travel
Newtons (grams)
(operations)
(mm)
2.0 (200) ± 0.5 100,000 0,3 ± 0,15
2.5 (250) ± 0.5 100,000 0,3 ± 0,10
4.0 (400) ± 1.0 100,000 0,3 ± 0,15
Silver
Gold
Silver
0.2 VA
32 VDC
10 mA
1 mA
Gold
OPERATING TEMPERATURE: -40˚C to 85˚C
STORAGE TEMPERATURE: -55˚C to 85˚C
-40˚C to 125˚C
-55˚C to 125˚C
Process
Soldering: Lead free reflow soldering process in accordance with
IEC 61760-1.
Packaging
NOTE: Specifications listed above are for switches with standard options.
For information on specific and custom switches, consult Customer Service Center.
Tape and reels in reels of 3,000 pieces.
External diameter 330mm ± 2mm.
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
S
G
Actuator
2 Standard, 1,1 (0.043)
3 Large, 1,8 (0.070)
LFS RoHS compliant and compatible. Silver plated.
LFG RoHS compliant and compatible. Gold plated.
Operating Force
2 2.0 N (200 grams)
3 2.5 N (250 grams)
4 4.0 N (400 grams)
Termination
G Gull wing, SPST
Contact Material
1 Silver
3 Gold
Dimensions are shown: mm
Specifications and dimensions subject to change
30 Jan 19
B–49
www.ckswitches.com
Tactile Switches
Specification
KSS Series
Subminiature SMT Side Actuated
KSS
4,4
3,5
PCB PROPOSED LAYOUT
3,1
== ==
1,7
(2x)
0,8
2,5
3,7
7,6
7
5,5
Tactile Switches
B
1,7
4,2
ACTUATOR
3
STANDARD, 1,1 (0.043)
LARGE, 1,8 (0.070)
4,4
1,1
1,8
4,4
2 ± 0,1
8 ± 0,1
+0,1
ø 1,5 0
4 ± 0,1
4 ± 0,2
A
7,4 ± 0,2
B
5,5 ± 0,1
1,75 ± 0,1
TAPE & REEL
12 ± 0,3
2
A
B
5 ± 0,1
3,9 ± 0,1
DIRECTION OF FEED
+0,1
ø 1,5 0
Dimensions are shown: mm
Specifications and dimensions subject to change
30 Jan 19
B–50
www.ckswitches.com