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
