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參數資料
| 型號： | KMR442LFS |
| 廠商： | C K COMPONENTS INC |
| 元件分類： | 開關 |
| 英文描述： | KEYPAD SWITCH, SPST, MOMENTARY-TACTILE, 0.05A, 32VDC, 5 N, SURFACE MOUNT-STRAIGHT |
| 封裝： | LEAD FREE |
| 文件頁數： | 1/2頁 |
| 文件大小： | 173K |
| 代理商： | KMR442LFS |
B–9
Dimensions are shown: Inches (mm)
Specifications and dimensions subject to change
www.ck-components.com
Features/Benefits
Long Life version
4 actuation forces
Optional ground pin
Ultra low current capabilities
Excellent tactile feel
KMR 2 Series
Microminiature SMT Top Actuated
Typical Applications
Automotive
Cellular phones
Industrial electronics
Medical equipment
Electrical
Silver
Gold
MAXIMUM POWER:
1 VA
0.2 VA
MAXIMUM VOLTAGE:
32 VDC
MINIMUM VOLTAGE:
20 mVDC
MAXIMUM CURRENT:
50 mA
10 mA
MINIMUM CURRENT:
1 mA*
DIELECTRIC STRENGTH:
≥ 250 Vrms
CONTACT RESISTANCE:
≤ 100 m
INSULATION RESISTANCE:
≥ 1G
BOUNCE TIME:
≤ 3 ms
*For ULC version minimum current is 1A at 1.8 VDC
Environmental
Silver
Gold
OPERATING TEMPERATURE:
-40C to 85C
-40C to 125C
STORAGE TEMPERATURE:
-55C to 85C
-55C to 125C
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.
Specification
FUNCTION: momentary action
CONTACT ARRANGEMENT: 1 make contact = SPST, N.O.
TERMINALS: Gullwing type for SMT
Mechanical
Total height
2 1,9 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)
K
M
R
N
G
2
3
1
Contact Material
1 Silver
2 Silver long life
3 Gold
Grounding option
G Ground pin
NG No Ground pin
Low Current capability
Void Under standard specification
ULC Low current
Part Number Description
For any part number different from those listed above, please consult your local representative.
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
Type G and NG
(except gold
version G only)
See description
below
Operating
force
N (grs)
Operating
life
(cycles)
Travel (mm)
TACTILE FEELING: for KMR 2 series:
≥ 30% (1.2N at 20%)
U
L
C
L
F
S
T
actile
Switches
B
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相關代理商/技術參數 |
參數描述 |
|---|---|
| KMR442NG LFS | 功能描述:觸覺開關 Tact RoHS:否 制造商:C&K Components 工作力:2 N 執行器:Round 電流額定值:50 mA 電壓額定值 DC:32 V 電壓額定值 AC: 功率額定值:1 VA 接地端子:Yes 觸點形式:SPST-NO 開關功能: 安裝風格:SMD/SMT 安裝方向:Right 晶體管管座高度: 顏色: 照明:Not Illuminated 照明顏色: 封裝: |
| KMR442NG ULC LFS | 功能描述:觸覺開關 Tact RoHS:否 制造商:C&K Components 工作力:2 N 執行器:Round 電流額定值:50 mA 電壓額定值 DC:32 V 電壓額定值 AC: 功率額定值:1 VA 接地端子:Yes 觸點形式:SPST-NO 開關功能: 安裝風格:SMD/SMT 安裝方向:Right 晶體管管座高度: 顏色: 照明:Not Illuminated 照明顏色: 封裝: |
| KMR442NGLFS | 功能描述:觸覺開關 RoHS:否 制造商:C&K Components 工作力:2 N 執行器:Round 電流額定值:50 mA 電壓額定值 DC:32 V 電壓額定值 AC: 功率額定值:1 VA 接地端子:Yes 觸點形式:SPST-NO 開關功能: 安裝風格:SMD/SMT 安裝方向:Right 晶體管管座高度: 顏色: 照明:Not Illuminated 照明顏色: 封裝: |
| KMR442NGULCLFS | 功能描述:觸覺開關 RoHS:否 制造商:C&K Components 工作力:2 N 執行器:Round 電流額定值:50 mA 電壓額定值 DC:32 V 電壓額定值 AC: 功率額定值:1 VA 接地端子:Yes 觸點形式:SPST-NO 開關功能: 安裝風格:SMD/SMT 安裝方向:Right 晶體管管座高度: 顏色: 照明:Not Illuminated 照明顏色: 封裝: |
| KMR442ULCLFS | 制造商:CK-COMPONENTS 制造商全稱:C&K Components 功能描述:Microminiature SMT Top Actuated |
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