EEWORLDEEWORLDEEWORLD

Part Number

Search

KMR442G LFS

Description
tactile switches tact
CategoryTopical application    Mechanical and electrical/engineering/automation   
File Size160KB,3 Pages
ManufacturerAll Sensors
Environmental Compliance  
Download Datasheet Parametric View All

KMR442G LFS Overview

tactile switches tact

KMR442G LFS Parametric

Parameter NameAttribute value
ManufactureC&K Components
Product CategoryTactile Switches
RoHSYes
Operating Force4 N
ActuOval
Current Rating50 mA
Voltage Rating DC32 V
Power Rating1 VA
Ground TerminalYes
Contact FormSPST
Switch FunctiOFF - (ON)
Mounting StyleSMD/SMT
Factory Pack Quantity6000
Termination StyleGull Wing Lead
KMR 4 Series
Microminiature SMT Top Actuated
Features/Benefits
Long Life version
4 actuation forces
Optional ground pin
Ultra low current capabilities
Excellent tactile feel
Typical Applications
Automotive
Cellular phones
Industrial electronics
Medical equipment
B
Specification
FUNCTION: momentary action
CONTACT ARRANGEMENT: 1 make contact = SPST, N.O.
TERMINALS: Gullwing type for SMT
Electrical
MAXIMUM POWER:
MAXIMUM VOLTAGE:
MINIMUM VOLTAGE:
MAXIMUM CURRENT:
MINIMUM CURRENT:
DIELECTRIC STRENGTH:
CONTACT RESISTANCE:
INSULATION RESISTANCE:
BOUNCE TIME:
Tactile Switches
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*
Mechanical
Type G and NG
(except gold
version G only)
See description
below
KMR421 LFS
KMR431 LFS
KMR431 ULC LFS
KMR432 LFS
KMR432 ULC LFS
KMR441 LFS
KMR441 ULC LFS
KMR442 LFS
KMR442 ULC LFS
Operating
force
N (grs)
2.0
3.0
3.0
3.0
3.0
4.0
4.0
4.0
4.0
(200)
(300)
(300)
(300)
(300)
(400)
(400)
(400)
(400)
±
±
±
±
±
±
±
±
±
0.50
0.75
0.75
0.75
0.75
1.00
1.00
1.00
1.00
Operating
life
(cycles)
200
150
150
300
300
100
100
200
200
000
000
000
000
000
000
000
000
000
Travel (mm)
*For ULC version minimum current is 1µA at 1.8 VDC
0.25
0.30
0.30
0.30
0.30
0.35
0.35
0.35
0.35
mm
mm
mm
mm
mm
mm
mm
mm
mm
±
±
±
±
±
±
±
±
±
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
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 for KMR 4
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: for KMR 4 series:
25%
Part Number Description
For any part number different from those listed above, please consult your local representative.
K
M
R
4
3
1
N
G
U
L
C
L
F
S
Total height
4
2,5 mm
LFS
Lead free compatible, silver plated
LFG
Lead free compatible, gold plated
Actuation Force
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
Grounding option
G
Ground pin
NG
No Ground pin
Contact Material
1
Silver
2
Silver long life
3
Gold
Dimensions are shown: mm
Specifications and dimensions subject to change
B–11
www.ck-components.com
CC2640R2F BLE5.0 Bluetooth protocol stack generates off-chip command files
[i=s]This post was last edited by Jacktang on 2020-4-15 07:39[/i]How to convert the standard SDK connector command file into an OAD-compliant connector command file. The following takes cc26xx_app_and...
Jacktang Wireless Connectivity
Is there any brother who is familiar with WINCE development in Shenzhen and can do part-time work?
There is a small project that will take about two months. If you are interested, please leave your contact information to discuss the content and remuneration....
211wujianhua Embedded System
Where did you get the startup code?
I just learned ARM and read a lot of articles about startup code on the Internet. They are almost the same. So I have a little question Did the engineers write the startup code themselves by referring...
虚V界 ARM Technology
[Mill Edge AI Computing Box FZ5 Review] 2019DAC Conference Target Detection Network Skynet Reproduction
Many excellent projects have been launched to accelerate deep learning using FPGA , such as Xilinx 's official BNN and QNN open source projects. At the same time, the Design Automation Conference (DAC...
zzx1997 Embedded System
About synchronization issues
I would like to ask you a question. Background: There is a receiver and a sender. The receiver wants to receive a piece of data sent by the sender. (Since the sender does not know when to send the dat...
24432972 RF/Wirelessly
MSP430 clock problem
I have a question. When I was debugging MSP430F2013 and MSP430G2452, after configuring 16M clock (BCSCTL1 = CALBC1_8MHZ;), the chip could no longer download programs and the problem of "Cannot find th...
faithme Microcontroller MCU

Technical ResourceMore

EEWorld
subscription
account

EEWorld
service
account

Automotive
development
circle

Robot
development
community

Index Files: 1189  1121  2353  2841  2244  24  23  48  58  46 
Datasheet   0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Room 1530, 15th Floor, Building B, No. 18 Zhongguancun Street, Haidian District, Beijing Telephone: (010) 82350740 Postal Code: 100190
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved 京ICP证060456号 京ICP备10001474号-1 电信业务审批[2006]字第258号函 京公网安备 11010802033920号