Dimensions are shown: mm (inch)
Dimensions subject to change
www.ittcannon.com
B-32
Tactile Switches
B
KST Series
Long Travel Tact Switch for SMT
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.
Mechanical
MAXIMUM APPLIED FORCE: 40 N (400 grams)
Packaging
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.
Specification
FUNCTION: Momentary
CONTACT ARRANGEMENT: 1 make contact = SPST N.O.
TERMINALS: J Bend or Gullwing type for SMT
NOTE: Part numbers listed above do not represent all possible configurations.
For information on specific and custom switches, consult Customer Service Center.
Electrical
SWITCHING POWER MAX.: 0.50 VA
SWITCHING VOLTAGE MIN./MAX.: 20 mV/30 V
SWITCHING CURRENT MIN./MAX.: 1 mA/50 mA
DIELECTRIC STRENGTH (50 Hz, 1 min.): > 250 V
CONTACT RESISTANCE: <100 mΩ
INSULATION RESISTANCE: >10
9
Ω
BOUNCE TIME: < 5 ms
Environmental
OPERATING TEMPERATURE: -40˚C to 125˚C
STORAGE TEMPERATURE: -55˚C to 125˚C
Process
Contact terminals are tin plated.
Infrared soldering process in accordance with CECC 00802
No washing, IP53
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
Operating force Operating life Travel to
Type Fa N (grams)±30% (operations) make
KST221J 2 (200) 100,000 1,3+0,3/-0.2
KST241J 3.5 (350) 100,000 1,3+0,3/-0.2
Actuator
2 Soft, 5 mm
Actuation Force
2 2 N (200 grams)
4 3.5 N (350 grams)
K S T 2
Contact Material
1 Silver
3 Gold
Termination
G Gullwing
J J bend
