B–66
Dimensions are shown: mm
Specifications and dimensions subject to change
www.ckswitches.com
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 place it in the appropriate box.
Features/Benefits
•
Rubber actuator
•
Silver contact material
•
J or G terminals
•
Compatible with pick and place
machines
•
IP40 sealed
•
RoHS compliant and compatible
Mechanical
MAXIMUM APPLIED FORCE: 4 KG (4078GF)*
* VALID ONE TIME. MAXIMUM ALLOWED TRAVEL TO AVOID
OVERLOAD ISSUES
IS 1.75MM
Specification
FUNCTION: Momentary
CONTACT ARRANGEMENT: 1 make contact = SPST N.O.
TERMINALS: J BEND OR GULLWING TYPE FOR SMT
Typical Applications
•
Front panel
•
Car dashboards
•
Telephone set
•
Instrumentation
Electrical
SWITCHING POWER MAX.: 1.0 VA 0.2 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
Environmental
OPERATING TEMPERATURE: -40°C to +85°C (Silver)
-40°C to +125°C (Gold)
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.
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 equip-
ment.
Please contact your sales representative to get contractual specification package.
LFS ROHS compliant and compatible. Silver plated.
LFG ROHS compliant and compatible. Gold plated.
Actuator
2 Soft, 5 mm
K S T
2
Actuation Force
2 2 N (200 grams)
4 3.5 N (350 grams)
Termination
J J bend
G Gullwing
14 nov 17
Type
Operating
force Fa N
(grams)±30%
Operating life
(operations)
Travel to make
KST221G / J 1,6-3,2 100,000 1,3+0,3/-0.2
KST241G / J 2,45-4,55 100,000 1,3+0,3/-0.2
Contact Material
1 Silver
3 Gold
Tactile Switches
B
B–67
Dimensions are shown: mm
Specifications and dimensions subject to change
www.ckswitches.com
KST Series
Long Travel Tact Switch for SMT
6,2
+0,3
0
6,2
+0,3
0
2,8
0,7
+0,05
-0,02
6,8
+0,2
-0,1
0,1
+0,2
0
5
( 1,73 )
2,6±0,15
4±0,1
mini8,6
maxi3
1
4
TAPE & REEL
J
J BEND
G
GULLWING
14 nov 17
6,2
+0,3
0
6,2
+0,3
0
2,8
0,7
+0,05
-0,02
6,8
+0,2
-0,1
0,1
+0,2
0
5
( 1,73 )
2,6±0,15
4±0,1
mini8,6
maxi3
1
4
6,2
+0,3
0
6,2
+0,3
0
2,8
( 1,73 )
2,6±0,15
0,7
+0,05
-0,02
0,1
+0,2
0
5
4±0,1
mini12
maxi5,8
1
4
6,2
+0,3
0
6,2
+0,3
0
2,8
( 1,73 )
2,6±0,15
0,7
+0,05
-0,02
0,1
+0,2
0
5
4±0,1
mini12
maxi5,8
1
4
FOR J AND G TERMINATION
Direction of feed
Tactile Switches