KSR Series
Subminiature Tact Switch for SMT
Features/Benefits
Typical Applications
•
•
•
•
•
•
•
•
•
•
Saves PCB space
Range of 4 actuation forces
J or G terminations
N.O. or N.C. contacts
Detect type available
Soft actuator
Automotive
Cellular phones & accessories
Industrial electronics
Computers & network equipment
Specification
Tactile Switches
B
Electrical
FUNCTION: momentary action
CONTACT ARRANGEMENT: N.O.
TERMINALS: J bend & Gullwing type for SMT
MAXIMUM POWER:
MAXIMUM VOLTAGE:
MINIMUM VOLTAGE:
MAXIMUM CURRENT DC:
MINIMUM CURRENT DC:
Mechanical
Type
KSR211/213
KSR221/223
KSR231/233
KSR251/253
KSR2D3J
KSR223GNC
Operating force
Newtons (grams)
1.8 (180) ± 20%
2.0 (200) ± 25%
3.0 (300) ± 25%
4.5 (450) ± 25%
1.5 (150) ± 25%
2 (200) ± 25%
Operating life
(operations)
100,000
200,000
200,000
100,000
100,000
100,000
Travel
Silver
1 VA
32 VDC
20 mV
50 mA
1 mA
Gold
0.2 VA
32 VDC
20 mV
10 mA
1 mA
CONTACT RESISTANCE: ≤ 100 mΩ
INSULATION RESISTANCE (100 V): 109 Ω
BOUNCE TIME: 1 ms
0,25 ± 0,15
0,3 ± 0,15
0,5 ± 0,15
0,5 ± 0,15
0,3 ± 0,15
0,3 ± 0,15
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
Packaging
SOLDERING: Infrared reflow in accordance with CECC00802
Switches are delivered on continuous tape, in reels of 2,500 pieces.
NOTE: Part numbers listed above do not represent all possible configurations.
For information on specific and custom switches, consult Customer Service Center.
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.
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)
D Detect**
Switch Function
(NONE) Normally open
NC Normally closed*
Contact Material
1 Silver
3 Gold
Termination
J J bend
G Gull wing
*Available on KSR223GNC only.
**D contact is recommended for long period of closing. No tactile feel. KSR2D3J only.
Dimensions are shown: mm (inch)
Dimensions subject to change
B-14
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