KSS Series
Subminiature Side Actuated Tact Switch for SMT
Features/Benefits
•
•
•
•
•
•
•
Low profile of 1.6 mm
Excellent tactile feel
High shear force
Range of actuation forces
Large flat top
Redundant contacts option
Date code marking
Typical Applications
•
•
•
•
Cellular phone
PDA, pagers
Industrial electronics
Health diagnostic electronics
Specification
FUNCTION: momentary action
CONTACT ARRANGEMENT: N.O.
TERMINALS: Gullwing & 3-Way type for SMT
Electrical
MAXIMUM POWER:
MAXIMUM VOLTAGE:
MAXIMUM CURRENT:
MINIMUM CURRENT:
Silver
1 VA
50 VDC
50 mA
1 mA
Gold
0.2 VA
50 VDC
10 mA
1 mA
B
Tactile Switches
Mechanical
Type
KSS221G
KSS231G
KSS233W
KSS241G
Operating force
Newtons (grams)
2.0 (200)
±
25%
2.5 (250)
±
20%
2.5 (200)
±
25%
4.0 (400)
±
25%
Operating life
(operations)
100,000
100,000
100,000
100,000
Travel
0,3
0,3
0,3
0,3
±
0,15
±
0,10
±
0,15
±
0,15
DIELECTRIC STRENGTH:
≥
250 VDC
CONTACT RESISTANCE:
≤
100 mΩ
INSULATION RESISTANCE (100 VDC):
≥
10
9
Ω
BOUNCE TIME:
≤
3 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
Packaging
Switches are delivered in tape and reels of 3,000 pieces. The reel
diameter is is 330mm (12.992 x .15). The tape dimensions conform
to the EIA-RS-481 and CE-2863 norms.
NOTE:
Part numbers listed above do not represent all possible configurations.
For information on specific and custom switches, consult Customer Service Center.
Process
SOLDERING: Infrared reflow in accordance with CECC00802
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.
K
S
S
Termination
G
Gull wing, SPST
W
3 way, 4 redundant contacts
Contact Material
1
Silver
3
Gold
Actuator
2
Standard, 1,1 (0.043)
3
Large, 1,8 (0.070)
Operating Force
2
2.0 N (200 grams)
3
2.5 N (250 grams)
4
4.0 N (400 grams)
Dimensions are shown: mm (inch)
Dimensions subject to change
B-17
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KSS Series
Subminiature Side Actuated Tact Switch for SMT
SERIES
KSS
4,4
(.173)
3,5
(.138)
3,1
(.122)
0,5
(.020)
==
==
0,3
(.012)
Tactile Switches
Each piece is date code printed:
1st Line:
9308
= Year 1999,
308
day in the year
2nd Line:
221XA
= Manufacturing code.
1,1
(.043)
7
(.276)
B
2,5
(.098)
KSS221G
5,5±0,1
(.217±.004)
1,65
(.065)
ACTUATOR
2
STANDARD, 1,1 (0.043)
4,4
(.173)
3
LARGE, 1,8 (0.070)
4,4
(.173)
1,1
(.043)
OPERATING FORCE
OPTION
CODE
OPERATING FORCE
2.0 N (200 grams)
2.5 N (250 grams)
4.0 N (400 grams)
2
3
4
CONTACT MATERIAL
OPTION
CODE
MATERIAL
SILVER
GOLD
1
3
TERMINATION
G
GULLWING
3,1
(.122)
==
==
PAD LAYOUT
7,6
(.299)
7,0
(.276)
5,5±0,1
(.217±.004)
3
3,7
(.147)
W
3 WAY, 4 REDUNDANT CONTACTS
3,1
(.122)
==
==
PAD LAYOUT
7,6
(.299)
Common
1,8
(.071)
7
(.276)
3,7
(.147)
2
1
1,7
(.067)
0,8
(.031)
1,0
(.039)
0,55
(.022)
0,8
(.031)
1,4
(.055)
First Angle
Projection
Dimensions are shown: mm (inch)
Dimensions subject to change
B-18
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2,0
(.079)
0,25
(.010)
KSS Series
Subminiature Side Actuated Tact Switch for SMT
TAPE & REEL
1,75±0,1
(.069±.004)
8±0,1
(.315±.004)
4±0,2
(.157±.008)
7,4+0,2/-0,0
.291+.008/-.000)
ø1,5+0,1/-0,0
(.059+.004/-.000)
2±0,05
(.079±.002)
4±0,1
(.157±.004)
2,1
(.083)
12+0,3/-0,1
(.472+.012/-.004)
5,5±0,1
(.217±.004)
B
Tactile Switches
3,8+0,2/-0,0
(.150+.008/-.000)
5±0,1
(.197±.004)
ø1,5+0,25/-0,0
(.059+.010/-.000)
Direction of feed
First Angle
Projection
Dimensions are shown: mm (inch)
Dimensions subject to change
B-19
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