KSC Series
Sealed Tact Switch for SMT
Features/Benefits
•
Positive tactile feel
•
Range of 6 actuation forces
•
J or G terminations
•
Tape & reel
•
IP 67
•
RoHS compliant and compatible
Typical Applications
•
Automotive
•
Cellular phones
•
Industrial electronics
•
Network infrastructure and IT
B
Tactile Switches
Electrical
Silver
Gold
0.2 VA
32 VDC
20 mV
10 mA
1 mA
MAXIMUM POWER:
1 VA
MAXIMUM VOLTAGE:
32 VDC
MINIMUM VOLTAGE:
20 mV
MAXIMUM CURRENT:
50 mA
MINIMUM CURRENT:
1 mA
DIELECTRIC STRENGTH (50 Hz, 1 min.): 250 V
CONTACT RESISTANCE: < 100 mΩ
INSULATION RESISTANCE (100 V): > 10
9
Ω
BOUNCE TIME: < 1 ms
Specification
FUNCTION: momentary action
CONTACT ARRANGEMENT: 1 make contact = SPST, N.O.
TERMINALS: J bend & Gullwing type for SMT
Mechanical
Operating force
FA
1)
Newtons
(grams)
1.85 (185)
3.0 (300)
5.5 (550)
2.0 (200)
3.5 (350)
1.6 (160)
3.0 (300)
5.5 (550)
1.1 (110)
1.4 (140)
1.7 (170)
3.2 (320)
1.6 (160)
3.0 (300)
1.7 (170)
1.7 (170)
Operating
life
(operations)
200,000
200,000
100,000
500,000
300,000
500,000
300,000
100,000
5,000,000
1,000,000
1,000,000
300,000
500,000
300,000
1,000,000
100,000
Type
KSC121J
KSC141J
KSC151J
KSC221J
KSC241J
KSC321J
KSC341J
KSC351J
KSC401J50SH
KSC411J70SH
KSC421J70SH
KSC441J70SH
KSC621J
KSC641J
KSC421V
KSC621V
Travel
0,3±0,15
0,3±0,15
0,35±0,15
0,35+0,30/-0,10
0,5±0,2
0,20+0,30/-0,0
0,20+0,30/-0,0
0,25+0,30-0,0
0,35±0,15
0,35+0,2/-0,2
0,50+0,25/-0,25
0,75+0,25/-0,25
0,50±0,20
0,50±0,20
0,50+0,25/-0,25
0,50±0,20
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: 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.
1) Tolerances of operating force FA is ± 25%.
A detect switch version is available KSC4D1J and KSC4D1G.
Please see Detect chapter, page F–7.
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.
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
3 N / 3.5 N *
(300 grams)/(350 grams)
5
5.5 N (550 grams)
LFS
RoHS compliant and compatible. Silver plated.
LFG
RoHS compliant and compatible. Gold plated.
Rubber Hardness Indication
50
Shore**
70
Shore***
Contact
Material
1
Silver
3
Gold
Termination
J
J bend
G
Gull wing
V
Right angle
(available in KSC421V and KSC621V versions only)
* See Mechanical chart above to confirm specifications.
** Applies to KSC401J50SH only.
*** Applies to KSC 411J70SH, KSC421J70SH, KSC441J70SH
Dimensions shown in: mm (inch)
Specifications and dimensions subject to change
B–17
www.ittcannon.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–18
www.ittcannon.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
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–19
www.ittcannon.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)
stm32/stm8
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