KSC121J-LFS

Manufacturer Part NumberKSC121J-LFS
DescriptionTactile & Jog Switches SPST-NO J LEAD 160g
ManufacturerC&K Components
SeriesKSC
KSC121J-LFS datasheet
 


Specifications of KSC121J-LFS

Operating Force1.6 NActuatorWithout
Contact Rating50 mAmpsContact FormSPST - NO
Switch FunctionMomentaryTermination StyleJ Hook
Mounting DirectionVerticalBody Size6.2 mm L x 6.2 mm W x 2.5 mm H
Mounting StyleSMD/SMTOperating Temperature Range- 40 C to + 85 C
Lead Free Status / Rohs StatusLead free / RoHS Compliant  
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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
Mechanical
Operating
Operating
Type
force FA
life
(Newtons)
(operations)
Min/Max
KSC121J
1.2 / 2.5
200,000
KSC141J
2.25 / 3.75
200,000
KSC151J
4.1 / 6.9
100,000
KSC201J
0.9 / 2.0
300,000
KSC221J
1.5 / 2.5
500,000
KSC222J
1.5 / 2.5
1,000,000
KSC241J
2.6 / 4.4
300,000
KSC251J
4.1 / 7.0
300,000
KSC321J
1.6 / 2.4
300,000
KSC341J
2.25 / 3.75
300,000
KSC351J
4.0 / 6.0
100,000
KSC401J 50SH
0.82 / 1.38
1,000,000
KSC411J 70SH
1.05 / 1.75
1,000,000
KSC421J 70SH
1.25 / 2.12
300,000
KSC422J 70SH
1.25 / 2.12
1,000,000
KSC441J 70SH
3.0 / 5.0
300,000
KSC442J 70SH
3.0 / 5.0
1,000,000
KSC621J
1.0 / 1.65
300,000
KSC641J
2.25 / 3.75
300,000
KSC421V
1.4 / 2.2
300,000
KSC621V
1.1 / 1.9
100,000
KSC721 J
1.7 / 2.8
300,000
KSC741J
2.9 / 4.9
300,000
A detect switch version is available KSC4D1J and KSC4D1G.
Please see Detect chapter.
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 representative.
K
S C
Actuator
1
Without, H=2,5 mm
Operating Force
2
Soft, H=3,5 mm
0
1.2 N (120 grams)
3
Hard, H=3,5 mm
1
1.4 N (140 grams)
4
Soft, H=5,2 mm
2
1.6 N / 1.7 N *
6
Hard, H=7,7 mm
(160 grams)/(170 grams)
7
Soft, H=4,3 mm
4
3 N / 4 N *
(300 grams)/(400 grams)
5
5.5 N (550 grams)
6
4.5 N / 8.0
(450 grams)/(800 grams)
Sealed Tact Switch for SMT
Typical Applications
Automotive
Cellular phones
Industrial electronics
Network infrastructure and IT
Electrical
MAXIMUM POWER:
MAXIMUM VOLTAGE:
MINIMUM VOLTAGE:
MAXIMUM CURRENT:
MINIMUM CURRENT:
Travel
DIELECTRIC STRENGTH (50 Hz, 1 min.): 250 V
(mm)
CONTACT RESISTANCE: < 100 mΩ
INSULATION RESISTANCE (100 V): > 10
0.3 ± 0.15
BOUNCE TIME: < 1 ms
0.3 ± 0.15
0.35 ± 0.15
Environmental
0.3 +0.2 /-0.15
OPERATING TEMPERATURE:
0.35 +0.3 /-0.1
STORAGE TEMPERATURE:
0.35 +0.3 /-0.1
0.5 ± 0.2
Process
0.5 ± 0.2
0.2 +0.3 /0
SOLDERING: Depending on the application, this component is
0.2 +0.3 /0
suited to the following methods:
0.25 +0.3 /0
– Terminals being silver or gold plated over a nickel barrier, the
0.3 ± 0.15
use of slightly activated flux is suitable.
0.35 ± 0.20
– Soldering on double wave machine for vertical versions:
0.5 ± 0.25
soldering time < 5 sec.
0.5 ± 0.25
– Cleaning according to typical washing processes.
0.75 ± 0.25
– Infrared Reflow Soldering in accordance with IEC 61760-1.
0.75 ± 0.25
0.5 ± 0.2
Packaging
0.5 ± 0.2
KSC1, KSC2 and KSC3 are delivered on continuous tape and reels of
0.375 ± 0.225
2,000 pieces, KSC4 in reels of 1,000 pieces. KSC 6 in reels of 750
0.5 ± 0.2
pieces. KSC7 in reels of 1,000 pieces. KSCV in boxes of 500 pieces.
0.3 ± 0.15
Dimensions of reels according to EIA RS481 or IEC 2863. External
0.4 ± 0.20
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.
Other versions in terms of force, termination length and corrosion protection available.
Please contact your sales representative.
This data sheet does not provide enough information for applications which require a
certain level of quality or safety such as automotive, medical systems, safety equipment.
Please contact your sales representative to get contractual specification package.
S
H
Rubber Hardness Indication
50
Shore**
Termination
70
Shore***
Contact Material
J
J bend
Operating life
G
Gull wing
1
Silver
V
Right angle
2
Silver long life
(available in KSC421V and
3
Gold
KSC621V versions only)
4
Gold long life
B–23
KSC Series
B
Silver
Gold
1 VA
0.2 VA
32 VDC
32 VDC
20 mV
20 mV
50 mA
10 mA
1 mA
1 mA
9
Silver
Gold
-40˚C to 85˚C
-40˚C to 125˚C
-55˚C to 85˚C
-55˚C to 125˚C
LFS
Lead free compatible, silver plated.
LFG
Lead free compatible, gold plated.
* See Mechanical chart above to confirm specifications.
** Applies to KSC401J50SH only.
*** Applies to KSC 411J70SH, KSC421J70SH,
KSC441J70SH
Dimensions are shown: Inch (mm)
Specifications and dimensions subject to change
www.ck-components.com

KSC121J-LFS Summary of contents

  • Page 1

    ... FUNCTION: Momentary action CONTACT ARRANGEMENT: 1 make contact = SPST, N.O. TERMINALS: J bend & Gullwing type for SMT Mechanical Operating Operating Type force FA life (Newtons) (operations) Min/Max KSC121J 1.2 / 2.5 200,000 KSC141J 2.25 / 3.75 200,000 KSC151J 4.1 / 6.9 100,000 KSC201J 0.9 / 2.0 300,000 KSC221J 1 ...

  • Page 2

    KSC Series Sealed Tact Switch for SMT KSC1 WITHOUT, 2.5 mm HIGH 3,5 B ø2,6 KSC4 (.102) SOFT, 5,2 mm HIGH NOTE: KSC4 standard silicone material is 70 shore, the only exception is KSC401J which is 50 shore. KSC6 HARD, ...

  • Page 3

    KSC7 SOFT, 4,3 mm HIGH ø 2,7±0,1 3,5±0,2 +0,3 6,2 0 6,8± 0,3 OPERATING FORCE CONTACT MATERIAL Sealed Tact Switch for SMT OPTION CODE OPERATING FORCE 0 1.2 N (120 grams) 1 1.4 N (140 grams ...

  • Page 4

    KSC Series Sealed Tact Switch for SMT BEND B 6,8 (.268) PAD LAYOUT TERMINATION V GULLWING RIGHT ANGLE - KSC421V ONLY 10 (.394) 0,5 7,5+0,3/-0,0 (.020) (.295+.012/-.000) V RIGHT ANGLE - KSC621V ONLY PAD LAYOUT 1,2 (x2) ...

  • Page 5

    FOR KSC1 J TERMINATION ø1,5+0,2/-0,0 (.059+.008/-.000) 2˚0' max. 0,25±0,05 (.010±.002) 3,15+0,2/-0,0 (.124+.008/-.000) FOR KSC1 G TERMINATION ø1,5+0,2/-0,0 (.059+.008/-.000) 2˚0' max. 0,3±0,05 (.012±.002) 3,2+0,2/-0,0 (.126+.008/-.000) FOR KSC2 & KSC3 J TERMINATION ø1,5+0,2/-0,0 (.059+.008/-.000) 2˚0' max. 0,250,05 3,95+0,2/-0,0 (.010.002) (.156+.008/-.000) FOR KSC2 ...

  • Page 6

    KSC Series Sealed Tact Switch for SMT FOR KSC4 FOR G TERMINATION 5,6 (.220) B 2˚0' 0,15±0,02 (.006±.001) 0,4±0,03 (.016±.001) FOR KSC4 FOR J TERMINATION 5,6 (.220) 2˚0' 0,15±0,02 (.006±.001) 0,4±0,03 (.016±.001) FOR KSC6 G & J TERMINATION 2,5 4˚ ...

  • Page 7

    FOR KSC7 FOR J TERMINATION 5,6 (.220) 2˚0' 0,15±0,02 (.006±.001) 0,4±0,03 (.016±.001) Sealed Tact Switch for SMT TAPE & REEL 12±0,1 (.472±.004) 2±0,05 2±0,05 ø1,5+0,1/-0,0 (.079±.002) (.079±.002) (.059+.004/-.000 ø1,5+0,2/-0,0 2,05 (.059+.008/-.000) 6,7±0,1 (.081) (.264±.004) B–29 KSC Series 4±0,1 ...