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
Ω
(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
Test/Measurement
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