KMR231NG ULC LFS C&K Components, KMR231NG ULC LFS Datasheet
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KMR231NG ULC LFS
Manufacturer Part Number
KMR231NG ULC LFS
Description
SWITCH TACT SPST-NO 300GF GW SMD
Manufacturer
C&K Components
Series
KMR2r
Datasheet
1.KMR221GLFS.pdf
(2 pages)
Specifications of KMR231NG ULC LFS
Circuit
SPST-NO
Switch Function
Off-Mom
Contact Rating @ Voltage
0.05A @ 32VDC
Actuator Type
Standard
Mounting Type
Surface Mount
Orientation
Vertical
Outline
4.60mm x 2.80mm
Illumination
Non-Illuminated
Operating Force
300gf
Actuator
Oval Standard
Contact Rating
50 mAmps
Ground Terminal
No
Contact Form
SPST - NO
Termination Style
SMD/SMT
Mounting Direction
Top
Body Size
4.6 mm L x 2.8 mm W x 1.9 mm H
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
CKN10284TR
KMR231NG ULC LFS
Y78B23124FP
KMR231NG ULC LFS
Y78B23124FP
Specification
FUNCTION: momentary action
CONTACT ARRANGEMENT: 1 make contact = SPST, N.O.
TERMINALS: Gullwing type for SMT
Mechanical
TACTILE FEELING: for KMR 2 series: ≥ 30% (1.2N at 20%)
Part Number Description
For any part number different from those listed above, please consult your local representative.
KMR211 LFS
KMR213 LFG
KMR221 LFS
KMR223G LFG
KMR231 LFS
KMR233G LFG
KMR231 ULC LFS
KMR232 LFS
KMR232 ULC LFS
KMR241 LFS
KMR243G LFG
KMR241 ULC LFS
KMR242 LFS
KMR242 ULC LFS
Type G and NG
See description
version G only)
(except gold
below
Total height
2
K
1,9 mm
M
Actuation Force
1
2
3
4
1.2 N (120 grams)
2 N (200 grams)
3 N (300 grams)
4 N (400 grams)
R
1.2 (120) ± 0.30
1.2 (120) ± 0.30
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
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
Contact Material
1
2
3
Operating
Silver
Silver long life
Gold
N (grs)
force
2
Features/Benefits
•
•
•
•
•
3
Long Life version
4 actuation forces
Optional ground pin
Ultra low current capabilities
Excellent tactile feel
Operating
200 000
200 000
200 000
200 000
150 000
150 000
150 000
300 000
300 000
100 000
100 000
100 000
200 000
200 000
(cycles)
life
1
Grounding option
G
NG
Ground pin
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
0.30 mm ± 0.1
0.30 mm ± 0.1
0.30 mm ± 0.1
0.30 mm ± 0.1
0.30 mm ± 0.1
No Ground pin
Travel (mm)
N
G
Microminiature SMT Top Actuated
U
B–9
Electrical
MAXIMUM POWER:
MAXIMUM VOLTAGE:
MINIMUM VOLTAGE:
MAXIMUM CURRENT:
MINIMUM CURRENT:
DIELECTRIC STRENGTH:
CONTACT RESISTANCE:
INSULATION RESISTANCE:
BOUNCE TIME:
*For ULC version minimum current is 1µA at 1.8 VDC
Environmental
OPERATING TEMPERATURE:
STORAGE TEMPERATURE:
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.
L
C
Low Current capability
Void
ULC
Under standard specification
Low current
L
F
Typical Applications
•
•
•
•
S
Automotive
Cellular phones
Industrial electronics
Medical equipment
LFS
LFG
Lead free compatible, silver plated
Lead free compatible, gold plated
-40˚C to 85˚C
-55˚C to 85˚C
Silver
≥ 250 Vrms
Specifications and dimensions subject to change
≤ 100 mΩ
20 mVDC
32 VDC
≤ 3 ms
50 mA
≥ 1GΩ
1 mA*
Silver
1 VA
KMR 2 Series
www.ck-components.com
Dimensions are shown: Inches (mm)
-40˚C to 125˚C
-55˚C to 125˚C
Gold
20 mVDC
32 VDC
0.2 VA
10 mA
1 mA*
Gold
B
Related parts for KMR231NG ULC LFS
KMR231NG ULC LFS Summary of contents
Page 1
... KMR242 LFS 4.0 (400) ± 1.00 200 000 KMR242 ULC LFS 4.0 (400) ± 1.00 200 000 TACTILE FEELING: for KMR 2 series: ≥ 30% (1.2N at 20%) Part Number Description For any part number different from those listed above, please consult your local representative ...
Page 2
KMR 2 Series Microminiature Tact Switch for SMT KMR 2 Series - 1.9 mm height 4,6 4,2 2,11 2,13 ± 0,1 6 max 0 0,292 ± 0,02 GROUND TERMINAL PCB layout shown with ground pin option 3 ...