KSC Series

Sealed Tact Switch for SMT

Features/Benefits

•

Positive tactile feeling

•

Range of 6 actuation forces

•

J or G terminations

•

Tape & reel

•

IP 67

Specification

FUNCTION: momentary action

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

TERMINALS: J bend & Gullwing type for SMT

Typical Applications

•

Automotive

•

Cellular phones

•

Industrial electronics

•

Network infrastructure and IT

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

B

Tactile Switches

Mechanical

Type

Operating

force FA

(Newtons)

Min/Max

1.2 / 2.5

2.25 / 3.75

4.3 / 7.3

0.9 / 2N

1.5 / 2.5

2.6 / 4.4

4.1 / 7.0

1.6 / 2.4

2.25 / 3.75

4.1 / 6.9

0.9 / 2.0

1.05 / 1.75

1.25 / 2.12

3.0 / 5.0

1.0 / 1.65

2.25 / 3.75

1.3 / 2.1

1.1 / 1.9

Operating

life

(operations)

200 000

100 000

300 000

500 000

1 000 000

300 000

100 000

300 000

1 000 000

300 000

1 000 000

300 000

100 00

Travel

(mm)

0.3 ± 0.15

0.3 +0.2 /-0.15

0.35 +0.3 /-0.1

0.5 ± 0.2

0.2 +0.3 /0

0.25 +0.3 /0

0.5 ± 0.25

0.35 ± 0.15

0.5 ± 0.25

0.75 ± 0.25

0.5 ± 0.2

0.375 ± 0.225

0.5 ± 0.2

KSC121J

KSC141J

KSC151J

KSC201J

KSC221J

KSC222J

KSC241J

KSC251J

KSC321J

KSC341J

KSC351J

KSC401J

KSC411J

KSC421J

KSC422J

KSC441J

KSC442J

KSC621J

KSC641J

KSC421V

KSC621V

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

Process

SOLDERING: Depending on the application, this component is

suited to the following methods:

– Terminals being silver or gold plated over a nickel barrier, the

use of slightly activated flux is suitable.

– Soldering on double wave machine for vertical versions:

soldering time < 5 sec.

– Cleaning according to typical washing processes.

– Infrared Reflow Soldering in accordance with IEC 61760-1.

50SH

70SH

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.

A detect switch version is available KSC4D1J and KSC4D1G.

Please see Detect chapter, page F–7.

KSC vertical series have an IP40 sealing level.

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 represenative.

K

Actuator

1

Without, H=2,5 mm

2

Soft, H=3,5 mm

3

Hard, H=3,5 mm

4

Soft, H=5,2 mm

6

Hard, H=7,7 mm

S

C

S

H

Operating Force

0

1.2 N (120 grams)

1

1.4 N (140 grams)

2

1.6 N / 1.7 N *

(160 grams)/(170 grams)

4

3N/4N*

(300 grams)/(400 grams)

5

5.5 N (550 grams)

LFS

Lead free compatible, silver plated.

LFG

Lead free compatible, gold plated.

Termination

J

J bend

G

Gull wing

V

Right angle

(available in KSC421V and

KSC621V versions only)

Rubber Hardness Indication

50

Shore**

70

Shore***

* See Mechanical chart above to confirm specifications.

** Applies to KSC401J50SH only.

*** Applies to KSC 411J70SH, KSC421J70SH,

KSC441J70SH

Contact Material

Operating life

1

Silver

2

Silver long life

3

Gold

4

Gold long life

Dimensions shown in: mm (inch)

Specifications and dimensions subject to change

B–21

www.ck-components.com

KSC Series

Sealed Tact Switch for SMT

ACTUATOR

KSC1

WITHOUT, 2.5 mm HIGH

KSC2

SOFT, 3,5 mm HIGH

KSC3

HARD, 3,5 mm HIGH

40,1

(.157)

2,9

(.114)

ø2,8

(.110)

B

Tactile Switches

2,6

(.102)

6,8

(.268)

1

2,5

(.098)

3,5

(.138)

0,1

(.004)

6,2

(.244)

0

6,2

(.244)

1

ø3,28

(.129)

ø2,6

(.102)

2

0,7

(.028)

KSC4

SOFT, 5,2 mm HIGH

KSC4

5,2

(.205)

KSC421V ONLY

NOTE:

KSC4 standard silicone

material is 70 shore, the only

exception is KSC401J which is

50 shore.

NOTE:

KSC421V requires metalized holds for simultaneous reflow soldering of switch

terminals and bracket terminals.

0

1

KSC6

HARD, 7,7 mm HIGH

ø4,7

(.185)

KSC6

ø3,0

(.118)

KSC621V ONLY

NOTE

: KSC621V requires metalized holds for simultaneous reflow soldering of switch

terminals and bracket terminals.

7,4

(.291)

7,7

(.303)

6,25±0,25

(.246±,010)

3,15

(.124)

0,3 maxi

(.012)

2,5 ±0,15

(.098±.006)

1,6±0,1

(.063±.004)

+0,05

ø 30

+.010

(.118 0)

(.185±.004)

3,4

(.134)

6,9 maxi

(.271)

1,6

(.063)

2

(.079)

.

7,6 ±0,25

(.299±.010)

3,47

(.137)

5,1

(.200)

1,5

(.059)

6,47

(.255)

Dimensions shown in: mm (inch)

Specifications and dimensions subject to change

2,1

(.083)

4,52

(.178)

5,8

(.228)

7,4

(.291)

B–22

www.ck-components.com

ø 4,7±0,1

KSC Series

Sealed Tact Switch for SMT

OPERATING FORCE

OPTION

CODE

OPERATING FORCE

1.2 N (120 grams)

1.4 N (140 grams)

1.6 N / 1.7 N (160/170 grams)

3 N / 3.5 N (300/350 grams)

5.5 N (550 grams)

0

1

2

4

5

B

CONTACT MATERIAL

OPTION

CODE

MATERIAL

SILVER

GOLD

Tactile Switches

1

3

TERMINATION

J

J BEND

G

GULLWING

V

RIGHT ANGLE - KSC421V ONLY

10

(.394)

4,00,1

(.157.004)

2,6

(.102)

0,7

(.028)

7,5+0,3/-0,0

(.295+.012/-.000)

6,8

(.268)

0,5

(.020)

V

2,6

(.102)

40,1

(.157.004)

RIGHT ANGLE - KSC621V ONLY

7,4

(.291)

6,25±0,25

(.246±,010)

7,6±0,25

(.299±.010)

2,5±0,15

(.098±.006)

1,6±0,1

(.063±.004)

+0,05

ø3 0

+.010

(.118 0)

ø 4,7 ±0,1

(.185±.004)

1

0,7+0,05/-0,02

(.028+.002/-.001)

0,1

(.004)

3,15

(.124)

2,1

(.083)

3,4

(.134)

2

(.079)

6,9 maxi

(.271)

0,3 maxi

(.012)

2,5

(.098)

2

5,1

(.200)

4,52

(.178)

5,8

(.228)

7,4

(.291)

1,5

(.059)

6,47

(.255)

PAD LAYOUT

1,0

(.039)

1,0

(.039)

4,0

(.157)

4,0

(.157)

PAD LAYOUT

1

2

1,39

(.055)

1

2

1,95

(.076)

0,35

(.014)

1,26

(.049)

1,38

(.054)

0,6

(.023)

1,38

(.054)

0,6

(.023)

5,65 ±0,05

(.222±.010)

Dimensions shown in: mm (inch)

Specifications and dimensions subject to change

B–23

www.ck-components.com

0,34

(.013)

1,38

(.054)

3,0 max.

(.118)

8,6 min.

(.339)

5,8 max.

(.228)

12,0 min.

(.472)

ø 1,2 (x2)

(.047)

Metallized

holes

LAYOUT

3,3

(.130)

3,3

(.130)

0,8

(.031)

KSC Series

Sealed Tact Switch for SMT

TAPE & REEL

FOR KSC1 J TERMINATION

ø1,5+0,2/-0,0

(.059+.008/-.000)

ø1,5+0,1/-0,0

(.059+.004/-.000)

2,00,05

(.079.002)

8,0

(.315)

2,0±0,05

(.079±.002)

1,75

(.069)

5,5

(.217)

12,00,3

(.472.012)

B

Tactile Switches

2˚0' max.

7,2+0,2/-0,0

(.283+.008/-.000)

DIRECTION OF FEED

0,25±0,05

(.010±.002)

3,15+0,2/-0,0

(.124+.008/-.000)

6,6+0,2/-0,0

(.260+.008/-.000)

FOR KSC1 G TERMINATION

ø1,5+0,2/-0,0

(.059+.008/-.000)

ø1,5+0,1/-0,0

(.059+.004/-.000)

2,0±0,05

(.079±.002)

8,0

(.315)

2,0±0,05

(.079±.002)

16,0±0,3

(.630±.012)

10,4+0,2/-0,0

(.409+.008/-.000)

7,5

(.295)

1,75

(.069)

2˚0' max.

DIRECTION OF FEED

0,3±0,05

(.012±.002)

3,2+0,2/-0,0

(.126+.008/-.000)

6,6+0,2/-0,0

(.260+.008/-.000)

FOR KSC2 & KSC3 J TERMINATION

ø1,5+0,2/-0,0

(.059+.008/-.000)

1,75

(.069)

5,50,05

(.217.002)

ø1,5+0,1/-0,0

(.059+.004/-.000)

20,05

(.079.002)

8,0

(.315)

20,05

(.079.002)

2˚0' max.

120,2

(.472.008)

7,2+0,2/-0,0

(.283+.008/-.000)

DIRECTION OF FEED

0,250,05

(.010.002)

3,95+0,2/-0,0

(.156+.008/-.000)

6,6+0,2/-0,0

(.260+.008/-.000)

FOR KSC2 & KSC3 G TERMINATION

ø1,5+0,2/-0,0

(.059+.008/-.000)

ø1,5+0,1/-0,0

(.059+.004/-.000)

20,05

(.079.002)

8,0

(.315)

2±0,05

(.079±.002)

1,75

(.069)

7,5

(.295)

10,4+0,2/-0,0

(.409+.008/-.000)

16±0,3

(.630±.020)

DIRECTION OF FEED

2˚0' max.

0,3±0,05

(.012±.002)

4,0+0,2/-0,0

(.157+.008/-.000)

6,6+0,2/-0,0

(.260+.008/-.000)

Dimensions shown in: mm (inch)

Specifications and dimensions subject to change

B–24

www.ck-components.com

KSC Series

Sealed Tact Switch for SMT

TAPE & REEL

FOR KSC4 FOR G TERMINATION

12±0,1

(.472±.004)

4±0,1

(.157±.004)

1,75

(.069)

ø1,5+0,1/-0,0

(.059+.004/-.000)

5,6

(.220)

B

2±0,05

(.079±.002)

2±0,05

(.079±.002)

B

7,5

(.295)

1,0

(.039)

Direction of feed

16±0,3

(.630±.012)

Tactile Switches

10,50,1

(.413.004)

2˚0'

R 1,1

(.045) 5

0,4±0,03

(.016±.001)

0,15±0,02

(.006±.001)

B

6,7±0,1

(.264±.004)

2,05

(.081)

ø1,5+0,2/-0,0

(.059+.008/-.000)

FOR KSC4 FOR J TERMINATION

12±0,1

(.472±.004)

4±0,1

(.157±.004)

1,75

(.069)

7,5

(.295)

16±0,3

(.630±.012)

ø1,5+0,1/-0,0

(.059+.004/-.000)

5,6

(.220)

1,0

(.039)

B

2±0,05

(.079±.002)

2±0,05

(.079±.002)

7,3±0,1

(.287±.004)

2˚0'

R 1,1

(.045) 5

Direction of feed

0,15±0,02

(.006±.001)

0,4±0,03

(.016±.001)

B

6,7±0,1

(.264±.004)

2,05

(.081)

ø1,5+0,2/-0,0

(.059+.008/-.000)

FOR KSC6 G & J TERMINATION

3,0

(.118)

6,4

(.252)

15˚

0,1

4,0

(.157)

B

12,0

(.472)

20,05

(.079.002)

20,05

(.079.002)

ø1,5+0,1/-0,0

(.059+.004/-.000)

4˚

2,5

(.098)

1,7

(.067)

1,75

(.069)

Direction of feed

7,5

(.295)

0,40,03

(.016.001)

160,3

(.630.012)

A

15˚

A

7,7+0,1/-0,0

(.303.004/-.000)

B

ø2+0,1/-0,0

(.079+.004/-.000)

Dimensions shown in: mm (inch)

Specifications and dimensions subject to change

10,5+0,2/-0,0

(.413+.008/-.000)

6,6

(.260)

B–25

www.ck-components.com

参数名称	属性值
厂商名称	C&K
Reach Compliance Code	compliant
ECCN代码	EAR99
Is Samacsys	N
执行器类型	SOFT TYPE
主体宽度	6.2 mm
主体高度	2.9 mm
主体长度或直径	6.2 mm
电路配置	1X1
最长触点回跳时间	1 ms
最大触点电流（直流）	0.05 A
触点（直流）最大额定R负载	.05A@32VDC
最大触点电压（直流）	32 V
安装特点	SURFACE MOUNT-STRAIGHT
开关数量	1
最大操作力	4.4 N
最高工作温度	85 °C
最低工作温度	-40 °C
包装方法	TAPE AND REEL
密封	IP67
表面贴装	NO
开关动作	MOMENTARY-TACTILE
开关功能	SPST
开关类型	KEYPAD SWITCH
端接类型	SOLDER
Base Number Matches	1

	KSC241J	KSC201J	KSC141J	KSC641J
描述	KEYPAD SWITCH, SPST, MOMENTARY-TACTILE, 0.05A, 32VDC, 4.4N, SURFACE MOUNT-STRAIGHT	KEYPAD SWITCH, SPST, MOMENTARY-TACTILE, 0.05A, 32VDC, 2N, SURFACE MOUNT-STRAIGHT	KEYPAD SWITCH, SPST, MOMENTARY-TACTILE, 0.05A, 32VDC, 3.75N, SURFACE MOUNT-STRAIGHT	KEYPAD SWITCH, SPST, MOMENTARY-TACTILE, 0.05A, 32VDC, 3.75N, SURFACE MOUNT-STRAIGHT
Reach Compliance Code	compliant	compliant	compliant	compliant
ECCN代码	EAR99	EAR99	EAR99	EAR99
主体宽度	6.2 mm	6.2 mm	6.2 mm	6.2 mm
主体高度	2.9 mm	2.6 mm	2.6 mm	2.6 mm
主体长度或直径	6.2 mm	6.2 mm	6.2 mm	6.2 mm
电路配置	1X1	1X1	1X1	1X1
最长触点回跳时间	1 ms	1 ms	1 ms	1 ms
最大触点电流（直流）	0.05 A	0.05 A	0.05 A	0.05 A
触点（直流）最大额定R负载	.05A@32VDC	.05A@32VDC	.05A@32VDC	.05A@32VDC
最大触点电压（直流）	32 V	32 V	32 V	32 V
安装特点	SURFACE MOUNT-STRAIGHT	SURFACE MOUNT-STRAIGHT	SURFACE MOUNT-STRAIGHT	SURFACE MOUNT-STRAIGHT
开关数量	1	1	1	1
最大操作力	4.4 N	2 N	3.75 N	3.75 N
最高工作温度	85 °C	85 °C	85 °C	85 °C
最低工作温度	-40 °C	-40 °C	-40 °C	-40 °C
包装方法	TAPE AND REEL	TAPE AND REEL	TAPE AND REEL	TAPE AND REEL
密封	IP67	IP67	IP67	IP67
表面贴装	NO	NO	NO	NO
开关动作	MOMENTARY-TACTILE	MOMENTARY-TACTILE	MOMENTARY-TACTILE	MOMENTARY-TACTILE
开关功能	SPST	SPST	SPST	SPST
开关类型	KEYPAD SWITCH	KEYPAD SWITCH	KEYPAD SWITCH	KEYPAD SWITCH
端接类型	SOLDER	SOLDER	SOLDER	SOLDER
厂商名称	C&K	C&K	-	C&K
执行器类型	SOFT TYPE	SOFT TYPE	-	HARD TYPE
Base Number Matches	1	1	1	-

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