KMT2 Series
Nano-Miniature SMT Top Actuated
Features
•
Smallest footprint
•
High number of cycles within the
smallest packaging
•
Smallest thickness with integrated
actuator
Typical Applications
•
Mobile Phones
•
Hearing Aids
•
MP3 accessories
•
Bluetooth Headset
•
Ground pin option
•
Halogen free
B
Tactile Switches
Environmental
Silver
OPERATING TEMPERATURE:
STORAGE TEMPERATURE:
-40˚C to 85˚C
-55˚C (10 days)
+85˚C (4 days)
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
Silver
0.5 VA
32 VDC
20mV
50 mA
1 mA
≥
250 Vrms (1mn)
≤
150 mΩ
≥
50 MΩ
≤
6 ms
Tactile
Feeling
≥
10%
≥
30%
Travel mm
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
Electrical
MAXIMUM POWER:
MAXIMUM VOLTAGE:
MINIMUM VOLTAGE:
MAXIMUM CURRENT DC:
MINIMUM CURRENT DC:
DIELECTRIC STRENGTH:
CONTACT RESISTANCE:
INSULATION RESISTANCE:
BOUNCE TIME:
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.
K
Total Height
2
0.65 mm
M
T
2
HF
L
F
Grounding
Actuation Force
Option
1
1.0 N (100 grams)
Contact
G
Ground Pin
2
1.6 N (160 grams)
Material
NG
No Ground Pin
1
Silver
3
Gold - please contact Customer Service
Type
HF
Halogen Free
LFS
RoHS, silver plated
LFG
RoHS, gold plated - please contact Customer Service
Dimensions are shown: mm
Specifications and dimensions subject to change
9 aug 12
B–5
www.ck-components.com
KMT2 Series
Nano-Miniature SMT Top Actuated
KMT Series – No Ground Pin
RECOMMENDED LAYOUT
ELECTRICAL DIAGRAM
1,4
2,4
3,4 ± 0,2
0,46
0,65 ± 0,1
B
Tactile Switches
0,06
ø1,2
2,3
3,6
3
KMT Series – With Ground Pin
ELECTRICAL DIAGRAM
RECOMMENDED LAYOUT
1,4
2,4
2,6
(0,05)
3,4 ±0,2
0,46
0,65 ± 0,1
ø1,2
2,3
3,6
0,2
0,06
3
0,4
2,6
0,4
0,02 ±0,05
(0,05)
TAPE & REEL
0,25 ±0,05
0,95 ±0,1
DE-REELING DIRECTION
OUT OF THE TAPE
SECTION A-A
Draft 5˚ max
2±0,05
4±0,05
B
+0,1
ø1,5 0
1,3 ±0,1
ø1±0,1
+0,3
12 -0,1
5,5 ±0,05
1,75 ±0,1
0,6
1,2
2,6
4±0,1
1,2
2,6
3,6 ±0,1
A
A
Draft 5˚ max
B
1,7 ±0,1
2,8 ±0,1
Dimensions are shown: mm
Specifications and dimensions subject to change
9 aug 12
B–6
www.ck-components.com
4±0,1
R0,5
Mouser Electronics
Authorized Distributor
Click to View Pricing, Inventory, Delivery & Lifecycle Information:
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