KST Series
Long Travel Tact Switch for SMT
Features/Benefits
•
Rubber actuator
•
Silver contact material
•
J or G terminals
•
Compatible with pick and place
machines
Typical Applications
•
Front panel
•
Car dashboards
•
Telephone set
•
Instrumentation
•
IP 40 sealed
•
RoHS compliant and compatible
Specification
FUNCTION: Momentary
CONTACT ARRANGEMENT: 1 make contact = SPST N.O.
TERMINALS: J Bend or Gullwing type for SMT
B
Tactile Switches
Electrical
Silver
Gold
SWITCHING POWER MAX.:
1.0 VA
0.50 VA
MAXIMUM POWER:
1.0 VA
0.2 VA
MAXIMUM VOLTAGE:
32 VDC
32 VDC
MINIMUM VOLTAGE:
20 mV
20 mV
MAXIMUM CURRENT:
50 mA
10 mA
MINIMUM CURRENT:
1 mA
1 mA
DIELECTRIC STRENGTH:
≥
250 Vrms
CONTACT RESISTANCE: < 100mΩ
INSULATION RESISTANCE: Initial measurement:
≥
1GΩ
After damp heat:
≥
10MΩ
BOUNCE TIME: < 5 ms
Mechanical
MAXIMUM APPLIED FORCE: 40 N (400 grams)*
* Valid one time. Maximum allowed travel to avoid overload issues
is 1.75mm
Operating force
Type
Fa N (grams)±30%
KST221G / J
1,6-3,2
KST241G / J
2,45-4,55
Operating life
Travel to
(operations)
make
100,000
1,3+0,3/-0.2
100,000
1,3+0,3/-0.2
Environmental
OPERATING TEMPERATURE:
-40˚C to +85˚C (Silver)
-40˚C to +125˚C (Gold)
-40˚C to +85˚C (Silver)
-40˚C to +125˚C (Gold)
Packaging
Switches are delivered on continuous tape and reels of 1,000 pieces,
330 (12.992) external diameter. Other dimensions according to
IEC 60286-3.
This data sheet does not provide enough information for applications which require a
certain level of quality or safety such as automotive, medical systems, safety equipment.
Please contact your sales representative to get contractual specification package.
STORAGE TEMPERATURE:
Process
Compatible with the 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.
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 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
T
2
Actuator
2
Soft, 5 mm
Actuation Force
2
2 N (200 grams)
4
3.5 N (350 grams)
LFS
RoHS compliant and compatible. Silver plated.
LFG
RoHS compliant and compatible. Gold plated.
Termination
G
Gullwing
J
J Bend
Contact Material
1
Silver
3
Gold
Dimensions are shown: mm (inches)
Specifications and dimensions subject to change
23 july 12
B–45
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