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
B
Tactile Switches
•
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
Electrical
Silver
Gold
0.50 VA
0.2 VA
32 VDC
20 mV
10 mA
1 mA
Mechanical
MAXIMUM APPLIED FORCE: 40 N (400 grams)
Operating force
Type
Fa N (grams)±30%
KST221G / J
2 (200)
KST241G / J
3.5 (350)
Operating life
Travel to
(operations)
make
100,000
1,3+0,3/-0.2
100,000
1,3+0,3/-0.2
SWITCHING POWER MAX.:
1.0 VA
MAXIMUM POWER:
0.2 VA
MAXIMUM VOLTAGE:
32 VDC
MINIMUM VOLTAGE:
20 mV
MAXIMUM CURRENT:
10 mA
MINIMUM CURRENT:
1 mA
DIELECTRIC STRENGTH (50 Hz, 1 min.): > 250 V
CONTACT RESISTANCE: <100m
Ω
INSULATION RESISTANCE: <10
9
Ω
BOUNCE TIME: < 1 ms
Environmental
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.
OPERATING TEMPERATURE: -40˚C to +85˚C
STORAGE TEMPERATURE: -40˚C to +85˚C
Process
Compatible with the lead free soldering profile.
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 ITT representative.
K
S
T
2
G
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 shown in: mm (inch)
Specifications and dimensions subject to change
B–28
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ITT [ ITT INDUSTRIES ]
