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KSR253G LFG

Description
tactile switches sub min tact smt switch
CategoryTopical application    Mechanical and electrical/engineering/automation   
File Size159KB,3 Pages
ManufacturerAll Sensors
Environmental Compliance
Download Datasheet Parametric View All

KSR253G LFG Overview

tactile switches sub min tact smt switch

KSR253G LFG Parametric

Parameter NameAttribute value
ManufactureC&K Components
Product CategoryTactile Switches
RoHSYes
Operating Force4.5 N
Current Rating10 mA
Voltage Rating DC32 V
Power Rating0.2 VA
Contact FormSPST
Switch FunctiOFF - (ON)
Mounting StyleSMD/SMT
Mounting DirectiVertical
Contact PlatingSilve
Factory Pack Quantity2500
Termination StyleGull Wing Lead
KSR Series
Subminiature Tact Switch for SMT
Features/Benefits
Saves PCB space
Range of 4 actuation forces
G terminations
N.O.
Detect type available
Rubber actuator
IP 50 sealed
RoHS compliant and compatible
Specification
FUNCTION: momentary action
CONTACT ARRANGEMENT: Normally Open
TERMINALS: Gullwing type for SMT
Typical Applications
Automotive
Cellular phones & accessories
Industrial electronics
Computers & network equipment
B
Tactile Switches
Electrical
MAXIMUM POWER:
MAXIMUM VOLTAGE:
MINIMUM VOLTAGE:
MAXIMUM CURRENT DC:
MINIMUM CURRENT DC:
Travel
0,25 ± 0,15
0,3 ± 0,15
0,35 ± 0,15
0,5 ± 0,15
0,3 ± 0,15
Silver
1 VA
32 VDC
20 mV
50 mA
1 mA
Gold
0.2 VA
32 VDC
20 mV
10 mA
1 mA
Mechanical
Type
KSR211/213
KSR221/223
KSR231/233
KSR251/253
KSR223GNC
Operating force
Newtons (grams)
1,5 <Fa< 2,2
1,9 <Fa< 2,6
2,25 <Fa< 3,75
3,37 <Fa< 5,6
1,5 <Fa< 2,5
Operating life
(operations)
100,000
100,000
100,000
100,000
30,000
CONTACT RESISTANCE:
100 mΩ
INSULATION RESISTANCE: (100 V): 1G
(between terminals)
BOUNCE TIME: 1 ms max.
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
Overload: 20 Newtons
Detect switch versions are available. Please see Detect chapter
KSR2D/M series.
Process
SOLDERING: Compatible with lead free reflow soldering process.
NOTE:
Specifications listed above are for switches with standard options.
For information on specific and custom switches, consult Customer Service Center.
Packaging
Switches are delivered on continuous tape, in reels of 2,500 pieces.
How To Order
Our easy build-a-switch concept allows you to mix and match options to create the switch you need. To order, select
desired option from each category and place it in the appropriate box.
However, please note that all the combinations of these options are not feasible.
For any part number different from those listed above, please consult your local representative.
K
S
R
Actuator
2
Soft actuator
Operating Force
1
1.8 N (180 grams)
2
2.0 N (200 grams)
3
3.0 N (300 grams)
5
4.5 N (450 grams)
Contact Material
1
Silver
3
Gold
LFS
RoHS compliant and compatible. Silver plated.
LFG
RoHS compliant and compatible. Gold plated.
Switch Function
(NONE)
Normally open
NC
Normally closed*
Termination
G
Gull wing
*Available on KSR223G only.
Dimensions are shown: mm
Specifications and dimensions subject to change
9 aug 12
B–17
www.ck-components.com
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