English
Language : 

KMR7 Datasheet, PDF (1/2 Pages) C&K Components – Ultra low current capabilities
KMR 7 Series
Microminiature SMT Top Actuated IP67
Features/Benefits
• Watertight IP67
• Standard and long life versions
• No ground pin
• Ultra low current capabilities
• Excellent tactile feel
B
Typical Applications
• Automotive
• Medical
• Consumer
• Industrial
Specification
FUNCTION: momentary action
CONTACT ARRANGEMENT: 1 make contact = SPST, N.O.
TERMINALS: Gullwing type for SMT
Mechanical
Type NG
See description
below
Operating
force
N (grs)
Operating
life
(cycles)
Travel (mm)
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
KMR741NG ULC LFS
KMR742NG LFS
KMR742NG ULC LFS
KMR743NG LFG
KMR743NG ULC LFG
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 ± 0.1
0.20 mm ± 0.1
0.20 mm ± 0.1
0.20 mm ± 0.1
0.25 mm ± 0.1
0.25 mm ± 0.1
0.25 mm ± 0.1
0.25 mm ± 0.1
0.25 mm ± 0.1
0.25 mm ± 0.1
0.25 mm ± 0.1
0.25 mm ± 0.1
0.25 mm ± 0.1
0.25 mm ± 0.1
0.30 mm ± 0.1
0.30 mm ± 0.1
0.30 mm ± 0.1
0.30 mm ± 0.1
0.30 mm ± 0.1
0.30 mm ± 0.1
Electrical
MAXIMUM POWER:
MAXIMUM VOLTAGE:
MINIMUM VOLTAGE:
MAXIMUM CURRENT:
MINIMUM CURRENT:
DIELECTRIC STRENGTH:
CONTACT RESISTANCE:
INSULATION RESISTANCE:
BOUNCE TIME:
Silver
1 VA
32 VDC
20 mVDC
50 mA
1 mA*
≥ 250 Vrms
≤ 100 mΩ
≥ 1GΩ
≤ 3 ms
Gold
0.2 VA
32 VDC
20 mVDC
10 mA
1 mA*
*For ULC version minimum current is 1µA at 1.8 VDC
Environmental
OPERATING TEMPERATURE:
STORAGE TEMPERATURE:
Silver
-40˚C to 85˚C
-55˚C to 85˚C
Gold
-40˚C to 125˚C
-55˚C to 125˚C
Process
Infrared Reflow Soldering in accordance with IEC61760-1
Packaging
In reels of 6,000 pieces
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.
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.
KMR
7
NG
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)
Contact Material
1 Silver
2 Silver long life
3 Gold
Grounding option
NG No Ground pin
Low Current capability
Void Under standard specification
ULC Low current
* Silver long life is available in 3N and 4N actuation force. For other versions, please contact Customer Service.
26 may 16
B–116
Dimensions are shown: mm
Specifications and dimensions subject to change
www.ck-components.com