KST Series
Long Travel Tact Switch for SMT
Features/Benefits
• Rubber actuator
• Silver contact material
• J or G terminals
Typical Applications
• Front panel
• Car dashboards
• Telephone set
• Instrumentation
• Compatible with pick and place
machines
• IP 40 sealed
• RoHS compliant and compatible
B
Specification
Electrical
Silver
Gold
FUNCTION: Momentary
CONTACT ARRANGEMENT: 1 make contact = SPST N.O.
TERMINALS: J Bend or Gullwing type for SMT
SWITCHING POWER MAX.:
MAXIMUM POWER:
MAXIMUM VOLTAGE:
MINIMUM VOLTAGE:
MAXIMUM CURRENT:
MINIMUM CURRENT:
DIELECTRIC STRENGTH: ≥ 250 Vrms
CONTACT RESISTANCE: < 100mΩ
INSULATION RESISTANCE: Initial measurement: ≥ 1GΩ
After damp heat: ≥ 10MΩ
1.0 VA
1.0 VA
32 VDC
20 mV
50 mA
1 mA
0.50 VA
0.2 VA
32 VDC
20 mV
10 mA
1 mA
Mechanical
MAXIMUM APPLIED FORCE: 40 N (400 grams)
Operating force
Fa N (grams) 30ꢀ
1,6-3,2
Operating life
(operations)
100,000
Travel to
make
1,3+0,3/-0.2
1,3+0,3/-0.2
Type
KST221G / J
KST241G / J
BOUNCE TIME: < 5 ms
2,45-4,55
100,000
Environmental
OPERATING TEMPERATURE:
Packaging
-40˚C to +85˚C (Silver)
-40˚C to +125˚C (Gold)
Switches are delivered on continuous tape and reels of 1,000 pieces,
330 (12.992) external diameter. Other dimensions according to
EIA-RS-481 standard.
STORAGE TEMPERATURE:
-40˚C to +85˚C (Silver)
-40˚C to +125˚C (Gold)
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
LFS RoHS compliant and compatible. Silver plated.
LFG RoHS compliant and compatible. Gold plated.
Actuation Force
2 2 N (200 grams)
4 3.5 N (350 grams)
Termination
G Gullwing
J J Bend
Contact Material
1 Silver
3 Gold
Dimensions are shown: Inch (mm)
Specifications and dimensions subject to change
www.ck-components.com
B–43