B–39
Dimensions are shown: mm
Specifications and dimensions subject to change
www.ck-components.com
Tactile Switches
B
Mechanical
Operating force(Fa) Operating life Travel
Type Newtons (grams) (operations) (mm)
Silver versions
KSR212G LFS 1,5 < 1,85 (185) < 2,2 200,000 0,25 ± 0,15
KSR222G LFS 1,9 < 2,25 (225) < 2,6 200,000 0,3 ± 0,15
KSR232G LFS 2,25 < 3,00 (300)< 3,75 200,000 0,35 ± 0,15
KSR252G LFS 3,4 < 4,50 (450) < 5,6 200,000 0,5 ± 0,15
Gold versions
KSR214G LFS 1,5 < 1,85 (185) < 2,2 200,000 0,25 ± 0,15
KSR224G LFS 1,9 < 2,25 (225) < 2,6 200,000 0,3 ± 0,15
KSR234G LFS 2,25 < 3,00 (300)< 3,75 200,000 0,35 ± 0,15
KSR254G LFS 3,4 < 4,50 (450) < 5,6 200,000 0,5 ± 0,15
KSR Long Life-200,000 cycles-Gold and Silver Series
Subminiature Tact Switch for SMT
Features/Benefits
•
4 actuation forces
•
G terminations
•
N.O.
•
Detect type available
•
Rubber actuator
•
IP50 sealed
•
RoHS compliant and compatible
Specification
FUNCTION: momentary action
CONTACT ARRANGEMENT: Normally Open
TERMINALS: Gullwing type for SMT
Typical Applications
•
Automotive
•
Medical equipment
•
Industrial electronics
Electrical
Silver Gold
MAXIMUM POWER: 1 VA 0.2 VA
MAXIMUM VOLTAGE: 32 V dc 32 V dc
MINIMUM VOLTAGE: 20 m Vdc 20 m Vdc
MAXIMUM CURRENT DC: 50 mA 10 mA
MINIMUM CURRENT DC
: 1 mA 1 mA
CONTACT RESISTANCE: ≤ 100 m Ω
INSULATION RESISTANCE (100 V): 1 G Ω (between terminals)
BOUNCE TIME: 1 ms max
Environmental
Silver Gold
OPERATING TEMPERATURE: -40˚C to 85˚C -40˚C to 125˚C
STORAGE TEMPERATURE: -55˚C to 85˚C -55˚C to 125˚C
Process
SOLDERING: Compatible with lead free reflow soldering process.
NOTE: Specifications listed above ar
e for switches with standard options.
For information on specific and custom switches, consult Customer Service Center.
OVERLOAD: 20 Newtons
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.
Actuator
2
Soft actuator
K S R 2 G
Operating For
ce
1
1.8 N (180 g
rams)
2 2.0 N (200 g
rams)
3 3.0 N (300 g
rams)
5 4.5 N (450 grams)
Contact Material
2
Silver
4 Gold
T
ermination
G
Gull wing
LFS RoHS compliant and compatible. Silver plated.
LFG RoHS compliant and compatible. Gold plated.
