KMT0 Series
Nano-Miniature SMT Top Actuated
Features
•
Smallest footprint
•
Smallest thickness with integrated
actuator
•
Extended life cycles
•
IP68
Typical Applications
•
Mobile Phones
•
Hearing Aids
•
MP3 accessories
•
Bluetooth Headset
B
Tactile Switches
Specification
FUNCTION: momentary action, normally open
CONTACT ARRANGEMENT: 1 make contact = SPST, N.O.
TERMINALS: J lead type for SMT
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)
≤
150 mΩ
≥
50 MΩ
≤
6 ms
Mechanical
TRAVEL (mm): 0.15 ± 0.1
Operating force
Newtons (grams)
1.0 (100) ± 0.25
1.6 (160) ± 0.25
2.3 (230) ± 0.25
3.4 (340) ± 0.25
Tactile
Feeling
≥
10%
≥
30%
≥
30%
≥
30%
Tactile
Feeling
≥
10%
≥
30%
≥
30%
Operating
Life
300,000
300,000
300,000
300,000
Operating
Life
1,000,000
600,000
600,000
KMT011NGJLHS
KMT021NGJLHS
KMT071NGJLHS
KMT031NGJLHS
Environmental
OPERATING TEMPERATURE: -40˚C to 85˚C
STORAGE TEMPERATURE: -55˚C (10 days) +85˚C (4 days)
Operating force
Newtons (grams)
KMT012NGJLHS 1.0 (100) ± 0.25
KMT022NGJLHS 1.6 (160) ± 0.25
KMT072NGJLHS 2.3 (230) ± 0.25
Process
SOLDERING: This component is suited to the following methods:
– Infrared Reflow Soldering in accordance with IEC61760-1
Packaging
In reels of 5,000 pieces.
Dimensions of reels according to EIA 481B
External diameter 180 mm
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
0.65mm
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)
2
Silver long life
Grounding Option
NGJ
No Ground Pin, J leads
LHS
Lead free, RoHS, Halogen free, Silver plated
Dimensions are shown: mm (inches)
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
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
1,2
2,6
A
A
B
3,2±0,1
2,8±0,05
Dimensions are shown: mm (inches)
Specifications and dimensions subject to change
B–8
www.ck-components.com
3,6±0,1
1,4
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