Dimensions are shown: mm (inch)

Dimensions subject to change

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B-20

B

KSC Series

Sealed 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

Mechanical

Specification

FUNCTION: momentary action

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

TERMINALS: J bend & Gullwing type for SMT

NOTE: Part numbers listed above do not represent all possible configurations.

For information on specific and custom switches, consult Customer Service Center.

1

) Tolerances of operating force FA is ± 25%.

* NOTE: KSC4 standard silicone material is 70 shore,

the only exception is KSC401J which is 50 shore.

Actuator

K

S

C

Operating Force

(160 grams)/(200 grams)

(300 grams)/(320 grams)

Contact Material

Termination

(available in KSC421V version only)

Operating life

Type

Newtons (grams)

(operations)

Travel

KSC121J

1.6 (160)

200,000

0,25+0,40/-0,0

KSC141J

3.0 (300)

200,000

0,30+0,40/-0,0

KSC151J

5.5 (550)

100,000

0,30+0,40/-0,0

KSC221J

2.0 (200)

500,000

0,35+0,30/-0,10

KSC241J

3.5 (350)

300,000

0,40+0,40-0,10

KSC321J

1.6 (160)

500,000

0,20+0,30/-0,0

KSC341J

3.0 (300)

300,000

0,20+0,30/-0,0

KSC351J

5.5 (550)

100,000

0,25+0,30-0,0

KSC401J*

1.1 (110)

5,000,000

0,50+0,25/-0,25

KSC411J*

1.4 (140)

1,000,000

0,35+0,2/-0,2

KSC421J*

1.7 (170)

1,000,000

0,50+0,25/-0,25

KSC441J*

3.2 (320)

300,000

0,75+0,25/-0,25

KSC621J

1.6 (160)

500,000

0,20+0,35

KSC641J

3.0 (300)

300,000

0,20+0,30

KSC421V

1.7 (170)

1,000,000

0,50+0,25/-0,25

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:

- Terminals being Tin/Lead plated over a nickel barrier, the use of

slightly activated flux is suitable.

- Soldering on double wave machine. The bath temperature is

generally 225˚C±5˚C and soldering time < 5 sec.

- Cleaning according to typical washing processes.

- Infrared Reflow Soldering in accordance with CECC00802

Packaging

KSC1, KSC2 and KSC3 are delivered on continuous tape and reels

of 2,000 pieces, KSC4 in reels of 1,000 pieces. KSC 6 in reels of 750

pieces. Dimensions of reels according to EIA RS481 or IEC 2863.

External diameter 330 mm ± 2 mm.

* See Mechanical chart above to confirm specifications