KMT0 Series Nano Mini Top Actuated Datasheet by C&K

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Electrical
MAXIMUM POWER: 0.5 VA
MAXIMUM VOLTAGE: 32 VDC
MINIMUM VOLTAGE: 20 mV
MAXIMUM CURRENT DC: 50 mA
MINIMUM CURRENT DC: 1 mA
DIELECTRIC STRENGTH: ≥ 250 Vrms (1mn)
CONTACT RESISTANCE: ≤ 150 mΩ
INSULATION RESISTANCE: ≥ 50 MΩ
BOUNCE TIME: ≤ 6 ms
Environmental
OPERATING TEMPERATURE: -40˚C to 85˚C
STORAGE TEMPERATURE: -55˚C (10 days) +85˚C (4 days)
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.
Features
3.0 x 2.06 mm footprint
Smallest thickness with integrated
actuator
Extended life cycles
IP68
Ultra low current capabilities
Typical Applications
Mobile Phones
Hearing Aids
MP3 accessories
Bluetooth Headset
Automotive keyless entry system
Smoke and CO detectors
E-readers
Home automation remote controls
Specification
FUNCTION: momentary action, normally open
CONTACT ARRANGEMENT: 1 make contact = SPST, N.O.
TERMINALS: J lead type for SMT
Mechanical
TRAVEL (mm):
0.15 ± 0.1
Operating force Tactile Operating
Newtons (grams) Feeling Life
KMT011NGJLHS 1.0 (100) ± 25% ≥ 10% 300,000
KMT021NGJLHS 1.6 (160) ± 25% ≥ 30% 300,000
KMT071NGJLHS 2.3 (230) ± 25% ≥ 30% 300,000
KMT031NGJLHS 3.4 (340) ± 25% ≥ 30% 300,000
Total Height
0 0.65mm
Actuation Force
1 1.0 N (100 grams)
2 1.6 N (160 grams)
7 2.3 N (230 grams)
3 3.4 N (340 grams)
K M T 0
Contact
Material
1 Silver
2 Silver long life
3 Gold
Grounding Option
NGJ No Ground Pin, J leads
Part Number Description
For any part number different from those listed above, please consult your local representative.
L H S
LHS Lead free, RoHS, Halogen free, Silver plated
KMT0 Series
Nano-Miniature SMT Top Actuated
N G J
B–11
Dimensions are shown: mm
Specifications and dimensions subject to change
www.ckswitches.com
Tactile Switches
B
Operating force Tactile Operating
Newtons (grams) Feeling Life
KMT012NGJLHS 1.0 (100) ± 25% ≥ 10% 1,000,000
KMT022NGJLHS 1.6 (160) ± 25% ≥ 30% 600,000
KMT072NGJLHS 2.3 (230) ± 25% ≥ 30% 600,000
31 oct 17
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B–12
Dimensions are shown: mm
Specifications and dimensions subject to change
www.ckswitches.com
Tactile Switches
B
KMT0 Series
Nano-Miniature SMT Top Actuated
Minimum actuator diameter is 1.0 mm. It is recommended to enlarge this diameter to a full flat surface covering the
switch.
ø 1 mini
1,2
2,6
2,3
3,6
1,4
2,4
3
( 0,05 )
2,6
0,3
H
3,4±0,1
RECOMMENDED LAYOUT
ELECTRICAL DIAGRAM
1
0,06
TAPE & REEL
1
A A
B
B
2±0,05
1,75±0,1
ø 1±0,1
3,2±0,1
0,25±0,1
2,8±0,05
+0,3
12
-0,1
4±0,05
0,75±0,1
5,5±0,05
+0,1
ø
1,5
0
3,6±0,1
1,4
DE-REELING DIRECTION
OUT OF THE TAPE

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