KMT0 Series
Nano-Miniature SMT Top Actuated
Features
•
Smallest footprint
•
Smallest thickness with integrated
actuator
•
High number of cycles within the
smallest packaging
Typical Applications
•
Mobile Phones
•
Hearing Aids
•
MP3 accessories
•
Bluetooth Headset
•
IP68
B
Tactile Switches
Specification
FUNCTION: momentary action
CONTACT ARRANGEMENT: 1 make contact = SPST, N.O.
TERMINALS: J lead type for SMT
Environmental
OPERATING TEMPERATURE:
STORAGE TEMPERATURE:
-40˚C to 85˚C
-55˚C (10 days)
+85˚C (4 days)
Mechanical
OPERATING LIFE:
300,000 cycles
Tactile
Feeling
≥
10%
≥
30%
≥
30%
≥
30%
Travel mm
0.15 ± 0.1
0.15 ± 0.1
0.15 ± 0.1
0.15 ± 0.1
Process
SOLDERING: This component is suited to the following methods:
– Infrared Reflow Soldering in accordance with IEC61760-1
KMT011NGJLHS
KMT021NGJLHS
KMT071NGJLHS
KMT031NGJLHS
Operating force
Newtons (grams)
1.0 (100) ± 0.25
1.6 (160) ± 0.25
2.3 (230) ± 0.25
3.4 (340) ± 0.25
Packaging
In reels of 4,000 pieces.
Dimensions of reels according to EIA 481B
External diameter 180 mm
Electrical
MAXIMUM POWER:
MAXIMUM VOLTAGE:
MINIMUM VOLTAGE:
MAXIMUM CURRENT DC:
MINIMUM CURRENT DC:
DIELECTRIC STRENGTH:
CONTACT RESISTANCE:
INSULATION RESISTANCE:
BOUNCE TIME:
0.5 VA
32 VDC
20mV
50 mA
1 mA
≥
250 Vrms (1mn)
≤
300 mΩ
≥
50 MΩ
≤
6 ms
NOTE:
Specifications listed above are for switches with standard options.
For information on specific and custom switches, consult Customer Service Center.
Part Number Description
For any part number different from those listed above, please consult your local representative.
K
M
T
0
1
N
G
J
L
H
S
Total Height
0
0.65/0.63 mm*
Actuation Force
1
1.0 N (100 grams)
Contact
2
1.6 N (160 grams)
Material
7
2.3 N (230 grams)
1
Silver
3
3.4 N (340 grams)
Grounding Option
NGJ
No Ground Pin, J leads
LHS
Lead free, RoHS, Halogen free, Silver plated
* Height varies with actuation force (see drawing)
Dimensions are shown: Inch (mm)
Specifications and dimensions subject to change
B–7
www.ck-components.com
KMT0 Series
Nano-Miniature SMT Top Actuated
Minimum actuator diameter is 1.0mm. It is recommended to enlarge this diameter to a full flat surface covering the switch.
RECOMMENDED LAYOUT
ø 1 mini 1
ELECTRICAL DIAGRAM
2,6
B
Tactile Switches
0,3
0,06
3,4±0,1
3
( 0,05 )
H
2,3
3,6
1,4
2,4
DESIGNATION
KMT 011 NG J LHS
KMT 021 NG J LHS
KMT 031 NG J LHS
KMT 071 NG J LHS
REFERENCE
34 H01 122 FP
34 H02 122 FP
34 H03 122 FP
34 H07 122 FP
1,2
2,6
H±0,07
0,63
0,65
TAPE & REEL
DE-REELING DIRECTION
0,75±0,1
0,25±0,1
OUT OF THE TAPE
2±0,05
4±0,05
B
+0,1
ø 1,5 0
ø 1±0,1
+0,3
12 -0,1
5,5±0,05
1,75±0,1
A
A
B
3,2±0,1
2,8±0,05
Dimensions are shown: Inch (mm)
Specifications and dimensions subject to change
B–8
www.ck-components.com
3,6±0,1
1,4
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