English
Language : 

KMT2 Datasheet, PDF (1/2 Pages) C&K Components – Nano-Miniature SMT Top Actuated
KMT2 Series
Nano-Miniature SMT Top Actuated
Features
Typical Applications
• Smallest footprint
• Mobile Phones
• High number of cycles within the
• Hearing Aids
smallest packaging
• MP3 accessories
• Smallest thickness with integrated
actuator
• Bluetooth Headset
• Ground pin option
• Halogen free
B
Specification
FUNCTION: momentary action
CONTACT ARRANGEMENT: 1 make contact = SPST, N.O.
TERMINALS: Gullwing type for SMT
Mechanical
Operating force
Type G and NG Newtons (grams)
KMT 211 HF LFS 1.0 (100) ± 0.25
KMT 221 HF LFS 1.6 (160) ± 0.40
Operating
Life
150,000
150,000
Tactile
Feeling
≥ 10%
≥ 30%
Travel mm
0.13 ± 0.06
0.13 ± 0.06
Electrical
MAXIMUM POWER:
MAXIMUM VOLTAGE:
MINIMUM VOLTAGE:
MAXIMUM CURRENT DC:
MINIMUM CURRENT DC:
DIELECTRIC STRENGTH:
CONTACT RESISTANCE:
INSULATION RESISTANCE:
BOUNCE TIME:
Silver
0.5 VA
32 VDC
20mV
50 mA
1 mA
≥ 250 Vrms (1mn)
≤ 300 mΩ
≥ 50 MΩ
≤ 6 ms
Environmental
OPERATING TEMPERATURE:
STORAGE TEMPERATURE:
Silver
-40˚C to 85˚C
-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 4,000 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.
KMT
2
HF
LF
Total Height
2 0.65 mm
Type
Actuation Force
Grounding HF Halogen Free
1 1.0 N (100 grams)
2 1.6 N (160 grams) Contact
Material
1 Silver
Option
G Ground Pin
NG No Ground Pin
3 Gold - please contact Customer Service
LFS RoHS, silver plated
LFG RoHS, gold plated - please contact Customer Service
B–5
Dimensions are shown: Inch (mm)
Specifications and dimensions subject to change
www.ck-components.com