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KMR421GLFS

更新时间： 2024-11-12 14:49:51
品牌 Logo 应用领域
力特 - LITTELFUSE /
页数 文件大小 规格书
2页 192K
描述
Microminiature SMT Top Actuated

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中文翻译

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KMR421GLFS 数据手册

 浏览型号KMR421GLFS的Datasheet PDF文件第2页 
KMR 4 Series  
Microminiature SMT Top Actuated  
Features/Benefits  
Typical Applications  
•
•
•
Automotive  
•
•
•
•
•
Small footprint  
Industrial electronics  
Medical equipment  
4 actuation forces  
Excellent tactile feel  
Ultra low current capabilities  
IP40  
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 G and NG  
See description  
below  
≤ 3 ms  
Travel (mm)  
*For ULC version minimum current is 1µA at 1.8 VDC  
KMR411 LFS  
KMR411 ULC LFS  
KMR413 LFG  
KMR413 ULC LFG  
KMR421 LFS  
KMR421 ULC LFS  
KMR423 LFG  
KMR423 ULC LFG  
KMR431 LFS  
KMR431 ULC LFS  
KMR432 LFS  
KMR432ULC LFS  
KMR433 LFG  
KMR433ULC LFG  
KMR441 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 0.20 mm  
100,000 0.20 mm  
100,000 0.20 mm  
100,000 0.20 mm  
100,000 0.25 mm  
100,000 0.25 mm  
100,000 0.25 mm  
100,000 0.25 mm  
100,000 0.25 mm  
100,000 0.25 mm  
300,000 0.25 mm  
300,000 0.25 mm  
100,000 0.25 mm  
100,000 0.25 mm  
100,000 0.30 mm  
100,000 0.30 mm  
200,000 0.30 mm  
200,000 0.30 mm  
100,000 0.30 mm  
100,000 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  
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  
KMR441 ULC LFS  
KMR442 LFS  
KMR442 ULC LFS  
KMR443 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.  
KMR443 ULC LFG  
TACTILE FEELING:  
KMR 4 series with actuation force in 2N - 3N - 4N: ≥ 25%  
KMR 4 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.  
K
M
R
4
Total height  
4 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  
G Ground pin  
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–19  
12

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