KST Series
Long Travel Tact Switch for SMT
Tactile Switches
B
Features/Benefits
Typical Applications
•
•
•
•
•
•
•
•
Rubber actuator
Silver contact material
J or G terminals
Compatible with pick and
place machines
Front panel
Car dashboards
Telephone set
Instrumentation
Specification
Electrical
FUNCTION: Momentary
CONTACT ARRANGEMENT: 1 make contact = SPST N.O.
TERMINALS: J Bend or Gullwing type for SMT
SWITCHING POWER MAX.: 0.50 VA
SWITCHING VOLTAGE MIN./MAX.: 20 mV/30 V
SWITCHING CURRENT MIN./MAX.: 1 mA/50 mA
Mechanical
DIELECTRIC STRENGTH (50 Hz, 1 min.): > 250 V
CONTACT RESISTANCE: 109 Ω
BOUNCE TIME: < 5 ms
MAXIMUM APPLIED FORCE: 40 N (400 grams)
Type
KST221J
KST241J
Operating force
Fa N (grams)±30%
2 (200)
3.5 (350)
Operating life
(operations)
100,000
100,000
Travel to
make
1,3+0,3/-0.2
1,3+0,3/-0.2
Environmental
OPERATING TEMPERATURE: -40˚C to 125˚C
STORAGE TEMPERATURE: -55˚C to 125˚C
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.
Process
Contact terminals are tin plated.
Infrared soldering process in accordance with CECC 00802
No washing, IP53
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 and place it in the appropriate box.
K
S
T
2
Actuator
2 Soft, 5 mm
Termination
G Gullwing
J J bend
Actuation Force
2 2 N (200 grams)
4 3.5 N (350 grams)
Contact Material
1 Silver
3 Gold
Dimensions are shown: mm (inch)
Dimensions subject to change
B-32
www.ittcannon.com
KST Series
Long Travel Tact Switch for SMT
SERIES
KST
B
4±0,1
(.157±.004)
Tactile Switches
6,2+0,3/-0,0
(.244+.012/-.000)
0,1+0,2/-0,0
(.004+.008/-.000)
0,7+0,05/-0,02
(.028+.002/-.001)
5±0,2
(.197±.008)
2,6±0,15
(.102±.006)
1,73
(.068)
ø2,8
(.110)
6,2+0,3/-0,0
(.244+.012/-.000)
ACTUATOR
2
SOFT
5±0,2
(.197±.008)
1,73
(.068)
ø2,8
(.110)
ACTUATION FORCE
OPTION
CODE
OPERATING FORCE
2
4
3.5 N (350 grams)
2 N (200 grams)
CONTACT MATERIAL
1
SILVER
3
GOLD
First Angle
Projection
Dimensions are shown: mm (inch)
Dimensions subject to change
B-33
www.ittcannon.com
KST Series
Long Travel Tact Switch for SMT
TERMINATION
G
J BEND
GULLWING
0,7+0,05/-0,02
(.028+.002/-.001)
4,0±0,1
(.157±.004)
1,0
(.039)
PAD LAYOUT
4,0
(.157)
1,0
(.039)
PAD LAYOUT
3,0 max.
(.118)
8,6 min.
(.339)
4,0
(.157)
Tactile Switches
4,0
(.157)
6,8+0,2/-0,1
(.268+.008/-.004)
0,1
B
0,7+0,05/-0,02
(.028+.002/-.001)
0,1+0,2/-0,0
(.004+.008/-.000)
J
5,8 max.
(.228)
12,0 min.
(.472)
TAPE & REEL
1,75±0,1
(.069±.004)
FOR J TERMINATION
4,0±0,1
(.157±.004)
2,0±0,05
(.079±.002)
ø1,5+0,1/-0,0
(.059+.004/-.000)
5,6±0,1
(.220±.004)
7,3±0,1
(.287±.004)
7,5±0,1
(.295±.004)
16,0±0,3
(.630±.012)
0,2
0,4±0,03
(.016±.001)
12,0±0,1
(.472±.004)
4,0±0,1
(.157±.004)
2,0
(.079)
ø1,5+0,2/-0,0
(.059+.008/-.000)
5˚ max
1,75±0,1
(.069±.004)
FOR G TERMINATION
12±0,1
(.472±.004)
2±0,05
(.079±.002)
2±0,05
(.079±.002)
ø1,5+0,2/-0,0
(.059+.008/-.000)
10,5±0,1
(.413±.004)
Direction of feed
16±0,3
(.630±.001)
5,6±0,1
(.220±.004)
0,2
4±0,1
(.157±.004)
7,5±0,1
(.295±.004)
0,4±0,03
(.016±.001)
4±0,1
(.157±.004)
6,7±0,1
(.264±.004)
Direction of feed
ø1,5+0,2/-0,0
(.059+.008/-.000)
6,7±0,1
(.264±.004)
First Angle
Projection
Dimensions are shown: mm (inch)
Dimensions subject to change
B-34
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