Dimensions are shown: mm (inch)
Dimensions subject to change
www.ittcannon.com
B-8
T
actile Switches
B
Actuator
2
Standard
KMS Series
Microminiature Side Actuated 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.
Features/Benefits
Compact size
Excellent tactile feel
Compatible with lead free soldering
Grounded cover for EMC protection
Date code marking
Typical Applications
Mobile phones, pagers
PDAs
Medical handheld monitors
Consumer electronics
Telecommunication networks
Mechanical
MAXIMUM ACTUATING FORCE: 20 N (4.4lbs.) during 25,000 cycles.
ACTUATING FORCE: 2.5 N25%
LIFE EXPECTANCY: 100,000 operations
TRAVEL TO MAKE: 0.3 mm0.15 mm
TOTAL TRAVEL: 0.45 mm
SHEAR FORCE RESISTANCE: 50 N
Packaging
Switches are delivered in tape and reels of 3,000 pieces. The reel
diameter is 330 (12.992). The tape dimensions conform to the
EIA-RS-481 and EC-286-6 norms.
Specification
FUNCTION: Momentary
CONTACT ARRANGEMENT: SPST, N.O.
TERMINALS: Gullwing type for SMT
IP40 Sealed
NOTE: Specifications listed above are for switches with standard options.
For information on specific and custom switches, consult Customer Service Center.
Actuation Force
3
2.5 N (250 grams)
K
M
S
2
G
3
Contact Material
1
Silver
3
Gold
Termination
G
Gullwing
Electrical
Silver
Gold
MAXIMUM POWER:
1 VA
0.2 VA
MAXIMUM VOLTAGE:
50 VDC
50 VDC
MAXIMUM CURRENT DC:
50 mA
10 mA
MINIMUM CURRENT DC:
1 mA
1 mA
DIELECTRIC STRENGTH: 250 VDC
LIFE EXPECTANCY: 100,000 operations
CONTACT RESISTANCE:
100 m
INSULATION RESISTANCE: 10
9
BOUNCE TIME:
3 ms
Environmental
Silver
Gold
OPERATING TEMPERATURE:
-40C to 85C
-40C to 125C
STORAGE TEMPERATURE:
-55C to 85C
-55C to 125C
Process
Compatible with infrared reflow, lead free soldering and
pick and place SMT machines.
Dimensions are shown: mm (inch)
Dimensions subject to change
www.ittcannon.com
B-9
T
actile Switches
B
SERIES
KMS Series
Microminiature Side Actuated Tact Switch for SMT
3,8
(.150)
4,12
(.162)
4,6
(.181)
2,2
(.087)
3,5
(.138)
0,6
(
.024)
0,6
(.024)
1,1
(.043)
2,5
(.098)
1,42
(.056)
0,3
(.012)
2,8
(.1
10)
2,2
(.087)
0,6
(.024)
0,3
(.012)
0,1
2308
233A
ACTUATION FORCE
ACTUATOR
CONTACT MATERIAL
OPTION
CODE
MATERIAL
1
SILVER
3
GOLD
2
STANDARD
KMS
3
2.5 N (250 GRAMS)
0,8
(.031)
2,6
(.103)
1
(.039)
0,6
(.024)
2,1
(.083)
0,8
(.031)
5,0
(.197)
3,2
(.126)
1,7
(.067)
PAD LAYOUT
TERMINATION
G
GULLWING
3,5
(.138)
2,5
(.098)
0,3
(.012)
1,1
(.043)
0,7
(
.028
)
4,6
(.181)
2,2
(.087)
0,6
(.024)
0,6
(.024)
First Angle
Projection
Each piece is date code printed:
1st Line: 2308 = Year 2002, 308 is day in the year
2nd Line: 233A = Manufacturing code.
KMS231G
Dimensions are shown: mm (inch)
Dimensions subject to change
www.ittcannon.com
B-10
T
actile Switches
B
KMS Series
Microminiature Side Actuated Tact Switch for SMT
TAPE & REEL
First Angle
Projection
1,75
(.069)
1,5+0,25/-0,0
(.059+.010/-.000)
2
0,05
(.079
.002)
4,65
0,1
(.183
.004)
0,229
0,02
(.009
.001)
12+0,3/-0,1
(.472+.012/-.004)
8
0,1
(.315
.004)
4,95
0,1
(.194
.004)
1,90
0,1
(.074
.004)
1,5
0,1
(.059
.004)
4
0,1
(.157
.004)
5,5
0,05
(.217
.002)
3
0,1
(.1
18
.004)
3,15
0,1
(.124
.004)
R0,5
(.020)
7 max
Direction of feed
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