KMR 7 Series
Microminiature SMT Top Actuated IP67
Features/Benefits
Typical Applications
•
•
•
•
Automotive
•
•
•
•
•
Watertight IP67
Medical
Standard and long life versions
No ground pin
Consumer
Industrial
Ultra low current capabilities
Excellent tactile feel
B
Electrical
Silver
Gold
Specification
MAXIMUM POWER:
1 VA
32 VDC
20 mVDC
50 mA
0.2 VA
32 VDC
20 mVDC
10 mA
FUNCTION: momentary action
CONTACT ARRANGEMENT: 1 make contact = SPST, N.O.
TERMINALS: Gullwing type for SMT
MAXIMUM VOLTAGE:
MINIMUM VOLTAGE:
MAXIMUM CURRENT:
MINIMUM CURRENT:
DIELECTRIC STRENGTH:
CONTACT RESISTANCE:
INSULATION RESISTANCE:
BOUNCE TIME:
1 mA*
1 mA*
Mechanical
≥ 250 Vrms
≤ 100 mΩ
≥ 1GΩ
Operating
force
N (grs)
Operating
life
(cycles)
Type NG
See description
below
Travel (mm)
≤ 3 ms
KMR711NG LFS
KMR711NG ULC LFS
KMR713NG LFG
KMR713NG ULC LFG
KMR721NG LFS
KMR721NG ULC LFS
KMR723NG LFG
KMR723NG ULC LFG
KMR731NG LFS
KMR731NG ULC LFS
KMR732NG LFS
KMR732NG ULC LFS
KMR733NG LFG
KMR733NG ULC LFG
KMR741NG LFS
1.2 (120) 0.30
1.2 (120) 0.30
1.2 (120) 0.30
1.2 (120) 0.30
2.0 (200) 0.50
2.0 (200) 0.50
2.0 (200) 0.50
2.0 (200) 0.50
3.0 (300) 0.75
3.0 (300) 0.75
3.0 (300) 0.75
3.0 (300) 0.75
3.0 (300) 0.75
3.0 (300) 0.75
4.0 (400) 1.00
4.0 (400) 1.00
4.0 (400) 1.00
4.0 (400) 1.00
4.0 (400) 1.00
4.0 (400) 1.00
100,000
100,000
100,000
100,000
100,000
100,000
100,000
100,000
100,000
100,000
300,000
300,000
100,000
100,000
100,000
100,000
200,000
200,000
100,000
100,000
0.20 mm
0.20 mm
0.20 mm
0.20 mm
0.25 mm
0.25 mm
0.25 mm
0.25 mm
0.25 mm
0.25 mm
0.25 mm
0.25 mm
0.25 mm
0.25 mm
0.30 mm
0.30 mm
0.30 mm
0.30 mm
0.30 mm
0.30 mm
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
*For ULC version minimum current is 1µA at 1.8 VDC
Environmental
Silver
Gold
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
Soldering: Lead free reflow soldering process in accordance with
IEC 61760-1.
Packaging
In reels of 6,000 pieces
KMR741NG ULC LFS
KMR742NG LFS
KMR742NG ULC LFS
KMR743NG LFG
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.
KMR743NG ULC LFG
TACTILE FEELING:
KMR 7 series with actuation force in 2N - 3N - 4N: ≥ 25%
KMR 7 series with actuation force in 1.2N: ≥ 20%
Part Number Description
For any part number different from those listed above, please consult your local representative.
N
G
K
M
R
7
Total height
7 2,5 mm
LFS Lead free compatible, silver plated
LFG Lead free compatible, gold plated
Actuation Force
1 1.2 N (120 grams)
2 2 N (200 grams)
3 3 N (300 grams)
4 4 N (400 grams)
Low Current capability
Void Under standard specification
ULC Low current
Contact Material
1 Silver
2 Silver long life
3 Gold
Grounding option
NG No Ground pin
* Silver long life is available in 3N and 4N actuation force. For other versions, please contact Customer Service.
Dimensions are shown: mm
Specifications and dimensions subject to change
24 Aug 21
www.ckswitches.com
B–23
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