KSC-ST Series
Sound Tunable Tact Switch
Features/Benefits
•
Positive tactile feeling
•
Range of 2 sound intensity
•
J or G terminations
•
Tape & reel
•
IP 67
Typical Applications
•
Automotive
•
Industrial electronics
•
Keyboards
•
Medical equipment
B
Tactile Switches
Specification
FUNCTION: momentary action
CONTACT ARRANGEMENT: 1 make contact = SPST, N.O.
TERMINALS: J bend & Gullwing type for SMT
Electrical
MAXIMUM POWER:
MAXIMUM VOLTAGE:
MINIMUM VOLTAGE:
MAXIMUM CURRENT:
MINIMUM CURRENT:
Silver
1 VA
32 VDC
20 mV
50 mA
1 mA
Gold
0.2 VA
32 VDC
20 mV
10 mA
1 mA
Mechanical
Type
Sound
Intensity *
ST1
ST2
ST1
ST2
LFS
LFS
LFS
LFS
>50dBA
<30dBA
>50dBA
<30dBA
Operating
Force
3.4 ± 1N
3.4 ± 1N
4.5/8.0N
4.5/8.0N
Travel
(mm)
0.7 ± 0.25
0.35 ± 0.20
1.0 ± 0.3
0.5 ± 0.2
KSC441J
KSC441J
KSC461J
KSC461J
DIELECTRIC STRENGTH (50 Hz, 1 min.): 250 V
CONTACT RESISTANCE: < 100 mΩ
INSULATION RESISTANCE (100 V): > 10
9
Ω
BOUNCE TIME: < 1 ms
Environmental
OPERATING TEMPERATURE:
STORAGE TEMPERATURE:
Silver
-40˚C to 85˚C
-55˚C to 85˚C
Gold
-40˚C to 125˚C
-55˚C to 125˚C
OPERATING LIFE:
300,000 cycles for KSC44 and KSC461JST2LFS
100,000 cycles for KSC461JST1LFS
(*)
Sound intensity is given as a reference, switch isolated, out-
side any additive part such as PCB, button, etc. The sound
intensity after product integration may change according to
the surrounding parts. For other features, please refer to the
KSC Series data sheets.
Process
SOLDERING: Depending on the application, this component is
suited to the following methods:
– Cleaning according to typical washing processes.
– Infrared Reflow Soldering in accordance with IEC 61760-1.
Packaging
In reels of 1,000 pieces.
Dimensions of reels according to EIA RS481 or IEC 2863.
External diameter 330 mm ± 2 mm.
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 place it in the appropriate box.
For any part number different from those listed above, please consult your local representative.
K
S
C
S
T
Operating Force
44
3.4 ± 1N
46
4.5/8.0N
Contact Material
1
Silver
3
Gold
Termination
J
J bend
G
Gull wing
LFS
Lead free compatible, silver plated.
LFG
Lead free compatible, gold plated.
Sound Intensity
1
>50 dBA
2
<30 dBA
Dimensions are shown: Inch (mm)
Specifications and dimensions subject to change
B–32
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