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KMR 2 Series
Microminiature SMT Top Actuated
Features/Benefits
•
Long Life version
•
4 actuation forces
•
Optional ground pin
•
Ultra low current capabilities
•
Excellent tactile feel
Specification
FUNCTION: momentary action
CONTACT ARRANGEMENT: 1 make contact = SPST, N.O.
TERMINALS: Gullwing type for SMT
Mechanical
Type G and NG
(except gold
version G only)
See description
below
KMR211 LFS 1.2 (120) ± 0.30 200 000 0.20 mm ± 0.1
KMR213 LFG 1.2 (120) ± 0.30 200 000 0.20 mm ± 0.1
KMR221 LFS 2.0 (200) ± 0.50 200 000 0.25 mm ± 0.1
KMR223G LFG 2.0 (200) ± 0.50 200 000 0.25 mm ± 0.1
KMR231 LFS 3.0 (300) ± 0.75 150 000 0.25 mm ± 0.1
KMR233G LFG 3.0 (300) ± 0.75 150 000 0.25 mm ± 0.1
KMR231 ULC LFS 3.0 (300) ± 0.75 150 000 0.25 mm ± 0.1
KMR232 LFS 3.0 (300) ± 0.75 300 000 0.25 mm ± 0.1
KMR232 ULC LFS 3.0 (300) ± 0.75 300 000 0.25 mm ± 0.1
KMR241 LFS 4.0 (400) ± 1.00 100 000 0.30 mm ± 0.1
KMR243G LFG 4.0 (400) ± 1.00 100 000 0.30 mm ± 0.1
KMR241 ULC LFS 4.0 (400) ± 1.00 100 000 0.30 mm ± 0.1
KMR242 LFS 4.0 (400) ± 1.00 200 000 0.30 mm ± 0.1
KMR242 ULC LFS 4.0 (400) ± 1.00 200 000 0.30 mm ± 0.1
TACTILE FEELING: for KMR 2 series: ≥ 30% (1.2N at 20%)
Operating
force
N (grs)
Operating
life
(cycles)
Travel (mm)
Typical Applications
•
Automotive
•
Cellular phones
•
Industrial electronics
•
Medical equipment
Electrical
MAXIMUM POWER: 1 VA 0.2 VA
MAXIMUM VOLTAGE: 32 VDC 32 VDC
MINIMUM VOLTAGE: 20 mVDC 20 mVDC
MAXIMUM CURRENT: 50 mA 10 mA
MINIMUM CURRENT: 1 mA* 1 mA*
DIELECTRIC STRENGTH: ≥ 250 Vrms
CONTACT RESISTANCE: ≤ 100 mΩ
INSULATION RESISTANCE: ≥ 1GΩ
BOUNCE TIME:
*For ULC version minimum curr
ent is 1µA at 1.8 VDC
Environmental
OPERATING TEMPERATURE: -40˚C to 85˚C -40˚C to 125˚C
STORAGE TEMPERATURE: -55˚C to 85˚C -55˚C to 125˚C
Process
Infrared Reflow Soldering in accordance with IEC61760-1
Packaging
In reels of 7,000 pieces for KMR 2
External diameter 330 mm ± 2 mm
NOTE: Specifications listed above are for switches with standard options.
For information on specific and custom switches, consult Customer Service Center.
Silver Gold
≤ 3 ms
Silver Gold
B
Tactile Switches
Part Number Description
For any part number different from those listed above, please consult your local representative.
K M R
Total height
2
1,9 mm LFS Lead free compatible, silver plated
Actuation Force
1.2 N (120 grams)
1
2 2 N (200 grams)
3 3 N (300 grams)
4 4 N (400 grams)
9 aug 12
2 3 1
Contact Material
Silver
1
2 Silver long life
3 Gold
N G
Grounding option
Ground pin
G
NG No Ground pin
U L C L F S
Low Current capability
Under standard specification
Void
ULC Low current
B–9
LFG Lead free compatible, gold plated
Specifications and dimensions subject to change
Dimensions are shown: mm
www.ck-components.com
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B
B
A
A
ø
+0,25
0
+0,3
-0,1
ø
GROUND TERMINAL
60 max
4 ± 0,1
1,5 ± 0,1
2 ± 0,05
4,95 ± 0,1
1,5
3,03 ± 0,1
1,75
5,5 ± 0,05
12
2,13 ± 0,1
0,292 ± 0,02
SECTION A-A
DE-REELING DIRECTION
OUT OF THE TAP E
70 max
KMR 2 Series
2,11
1,61
2,6
0,6
1
5
2,45
0,55
2,2
2,8
0,60,6
1,7
3,2
4,6
4,2
1,9
1,4
Microminiature Tact Switch for SMT
KMR 2 Series - 1.9 mm height
B
Tactile Switches
PCB layout shown with ground pin option
TAPE & REEL
9 aug 12
DIRECTION OF FEED
B–10
Specifications and dimensions subject to change
Dimensions are shown: mm
.ck-components.com
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