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B–17

Dimensions shown in: mm (inch)

Specifications and dimensions subject to change

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.

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.

Features/Benefits

Mechanical

Specification

FUNCTION: momentary action

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

TERMINALS: J bend & Gullwing type for SMT

1) Tolerances of operating force FA is ± 25%.

A detect switch version is available KSC4D1J and KSC4D1G.

Please see Detect chapter, page F–7.

Actuator

K

S

C

Operating Force

(160 grams)/(170 grams)

(300 grams)/(350 grams)

Contact

Material

Termination

(available in KSC421V and KSC621V versions only)

Operating force

Operating

life

Type

(grams)

(operations)

Travel

KSC121J

1.85 (185)

200,000

0,3±0,15

KSC141J

3.0 (300)

200,000

0,3±0,15

KSC151J

5.5 (550)

100,000

0,35±0,15

KSC221J

2.0 (200)

500,000

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

KSC241J

3.5 (350)

300,000

0,5±0,2

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

KSC401J50SH

1.1 (110)

5,000,000

0,35±0,15

KSC411J70SH

1.4 (140)

1,000,000

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

KSC421J70SH

1.7 (170)

1,000,000

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

KSC441J70SH

3.2 (320)

300,000

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

KSC621J

1.6 (160)

500,000

0,50±0,20

KSC641J

3.0 (300)

300,000

0,50±0,20

KSC421V

1.7 (170)

1,000,000

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

KSC621V

1.7 (170)

100,000

0,50±0,20

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: Compatible with the lead free soldering profile.

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. KSCV in boxes of 500 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.

*

See Mechanical chart above to confirm specifications.

** Applies to KSC401J50SH only.

*** Applies to KSC 411J70SH, KSC421J70SH, KSC441J70SH

S

H

Rubber Hardness Indication