KMS Series
Microminiature SMT Side Actuated
Features/Benefits
• 1.42mm thickness with excellent
tactile feel
• ESD protection by compact size
• Positioning pegs for stability
• RoHS compliant and compatible
Typical Applications
• Mobile phones
• Medical handheld monitors
• Consumer electronics
• Telecommunication networks
Packaging
FUNCTION: Momentary
CONTACT ARRANGEMENT: SPST, N.O.
TERMINALS: Gullwing type for SMT
IP40 Sealed
Tape and reels in reels of 3,000 pieces.
External diameter 330mm ± 2mm.
Electrical
Mechanical
OVERLOAD: 20N
TACTILE FEELING: 15% min. for the 2N version
25% min for the 2.5N version
Operating force
Type
Newtons (grams)
KMS221G/GP 2N (200) ± 0.5
KMS223G/GP 2N (200) ± 0.5
KMS231G/GP 3N (300) ± 0.6
KMS233G/GP 3N (300) ± 0.6
Operating life
(operations)
100 K cycles
100 K cycles
100 K cycles
100 K cycles
Silver
MAXIMUM POWER:
1 VA
MAXIMUM VOLTAGE: 32 VDC
MAXIMUM CURRENT DC: 50 mA
MINIMUM CURRENT DC:
1 mA
DIELECTRIC STRENGTH: 250 VDC
CONTACT RESISTANCE: ≤100 mΩ
INSULATION RESISTANCE: 109 Ω
BOUNCE TIME: ≤ 3 ms
Travel
0,25 ± 0,15
0,25 ± 0,15
0,3 ± 0,15
0,3 ± 0,15
Environmental
Silver
Gold
0.2 VA
32 VDC
10 mA
1 mA
OPERATING TEMPERATURE: -40˚C to 85˚C
STORAGE TEMPERATURE: -55˚C to 85˚C
Gold
-40˚C to 125˚C
-55˚C to 125˚C
Process
Note: Specifications listed above are for switches with standard options. For information on
specific and custom switches, consult Customer Service Center.
Soldering: Lead free reflow soldering process in accordance with
IEC 61760-1.
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.
K
M
S
2
Actuator
2 Standard
Actuation Force
2 2 N (200 grams)
3 3 N (300 grams)
G
Termination
G Gullwing
Contact Material
1 Silver
3 Gold
RoHS compliant and compatible
LFS Lead free silver
LFG Lead free gold
Pegs
NONE No pegs
P With pegs
Dimensions are shown: mm
Specifications and dimensions subject to change
B–21
www.ckswitches.com
Tactile Switches
Specification
KMS Series
Microminiature SMT Side Actuated
KMS
KMS
WITH PEGS
B
1,1
ø 0,75
B
4,6
4,2
4,6
4,2
3,8
1,35
0,6
0,75
2,2
2,8
1
0,6
3,55
2,2
2,8
3,55
2,15
0,6
0,6
3,8
5
3,2
1,7
0,6
4
2,6
Electrical Diagram
3
2
4
0,85
1
1
3
2,45
0,55
2,6
1 0,6
0,85
Electrical Diagram
2
1,95
0,55
2,5
5
3,2
1,7
0,55
2,5
2,45
5
ø0,9 mini
5
1
1,95
TAPE & REEL
8 ± 0,1
B
2 ± 0,05
ø1,5 ± 0,1
4,65 ± 0,1
,5
A
ø1,5 0
4 ± 0,1
3,15 ± 0,1
8 ± 0,1
2 ± 0,05
ø1,5 ± 0,1
4,65 ± 0,1
,8
R0
70 max
4,95 ± 0,1
3 (x2)
R0
A
0,229 ± 0,02
3
B
,8
1,75
1,67 ± 0,1
+0,25
B
70 max
+0,3
WITH PEGS
A
5,5 ± 0,05
0,229 ± 0,02
4,95 ± 0,1
R0
3 ± 0,1
+0,3
12 -0,1
5,5 ± 0,05
1,75
1,67 ± 0,1
12 -0,1
Tactile Switches
0,2 45˚
1,1
1,42
B
B
0,5 1,42
B
A
B
4 ± 0,1
+0,25
ø 1,5 0
DIRECTION OF FEED
Dimensions are shown: mm
Specifications and dimensions subject to change
B–22
www.ckswitches.com