KSR Series
Subminiature Tact Switch for SMT
Features/Benefits
Typical Applications
•
•
•
•
•
•
•
•
Saves PCB space
Range of 4 actuation forces
G terminations
•
•
•
•
Automotive
Cellular phones & accessories
Industrial electronics
N.O.
Computers & network equipment
Detect type available
Rubber actuator
B
IP 50 sealed
RoHS compliant and compatible
Specification
Electrical
Silver
Gold
FUNCTION: momentary action
CONTACT ARRANGEMENT: Normally Open
TERMINALS: Gullwing type for SMT
MAXIMUM POWER:
1 VA
32 VDC
20 mV
50 mA
1 mA
0.2 VA
32 VDC
20 mV
10 mA
1 mA
MAXIMUM VOLTAGE:
MINIMUM VOLTAGE:
MAXIMUM CURRENT DC:
MINIMUM CURRENT DC:
Mechanical
Operating force
Newtons (grams)
1,5 <Fa< 2,2
Operating life
(operations)
100,000
Travel
CONTACT RESISTANCE: ≤ 100 mΩ
INSULATION RESISTANCE: (100 V): 1G Ω (between terminals)
BOUNCE TIME: 1 ms max.
Type
KSR211/213
KSR221/223
KSR231/233
KSR251/253
KSR223GNC
0,25 0,15
0,3 0,15
0,35 0,15
0,5 0,15
0,3 0,15
1,9 <Fa< 2,6
100,000
2,25 <Fa< 3,75
3,37 <Fa< 5,6
1,5 <Fa< 2,5
100,000
Environmental
Silver
Gold
100,000
30,000
OPERATING TEMPERATURE:
STORAGE TEMPERATURE:
-40˚C to 85˚C -40˚C to 125˚C
-55˚C to 85˚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.
Packaging
NOTE: Specifications listed above are for switches with standard options.
For information on specific and custom switches, consult Customer Service Center.
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
LFS RoHS compliant and compatible. Silver plated.
LFG RoHS compliant and compatible. Gold plated.
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)
Switch Function
(NONE) Normally open
NC Normally closed*
Termination
G Gull wing
Contact Material
1 Silver
3 Gold
*Available on KSR223G only.
Dimensions are shown: mm
Specifications and dimensions subject to change
9 aug 12
www.ck-components.com
B–17