B–32

Dimensions are shown: Inch (mm)

Specifications and dimensions subject to change

www.ck-components.com

B

KSC-ST Series

Sound Tunable Tact Switch

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.

Features/Benefits

Mechanical

Specification

FUNCTION: momentary action

CONTACT ARRANGEMENT: 1 make contact = SPST, N.O.

TERMINALS: J bend & Gullwing type for SMT

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.

Operating Force

K

S

C

Contact Material

Termination

Sound Intensity

Type

Sound

Operating

Travel

Intensity *

Force

(mm)

KSC441J ST1 LFS

>50dBA

3.4 ± 1N

0.7 ± 0.25

KSC441J ST2 LFS

<30dBA

3.4 ± 1N

0.35 ± 0.20

KSC461J ST1 LFS

>50dBA

4.5/8.0N

1.0 ± 0.3

KSC461J ST2 LFS

<30dBA

4.5/8.0N

0.5 ± 0.2

Typical Applications

Electrical

Silver

Gold

MAXIMUM POWER:

1 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 (50 Hz, 1 min.): 250 V

CONTACT RESISTANCE: < 100 m

Ω

Ω

BOUNCE TIME: < 1 ms

Environmental

Silver

Gold

OPERATING TEMPERATURE:

-40˚C to 85˚C

-40˚C to 125˚C

STORAGE TEMPERATURE:

-55˚C to 85˚C

-55˚C to 125˚C

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.

S

T