www.ittcannon.com
B–7
Dimensions shown in: mm (inch)
Specifications and dimensions subject to change
Tactile Switches
B
Features/Benefits
•Compact size
•Range of 4 actuation forces
•Excellent tactile feel
•ESD protection
•Extra large actuator
•IP 40 sealing
•RoHS compliant and compatible
KMR Series
Microminiature Tact Switch for SMT
Typical Applications
•Automotive
•Cellular phones
•Industrial electronics
•Computers & network equipment
Electrical Silver Gold
MAXIMUM POWER: 1 VA 0.2 VA
MAXIMUM VOLTAGE: 32 VDC 32 VDC
MAXIMUM CURRENT DC: 50 mA 10 mA
MINIMUM CURRENT DC: 1 mA 1 mA
CONTACT RESISTANCE: ≤100 mΩ
INSULATION RESISTANCE: ≥1 G Ω
BOUNCE TIME: ≤1 ms
Environmental Silver Gold
OPERATING TEMPERATURE: -40˚C to 85˚C -40˚C to 125˚C
STORAGE TEMPERATURE: -55˚C to 85˚C -55˚C to 125˚C
Process
Compatible with infrared reflow, lead free soldering and pick and
place SMT machines.
Specification
FUNCTION: momentary action
CONTACT ARRANGEMENT: 1 make contact = SPST, N.O.
TERMINALS: Gullwing type for SMT
Mechanical
MAXIMUM ACTUATING FORCE/LIFE: 20 N for 1,000 cycles
Actuator
2Standard 1,9 mm height
42,5 mm height RoHS compliant and compatible
LFS = Lead free silver
LFG = Lead free gold
Actuation Force
11.2 N (120 grams)
22 N (200 grams)
33 N (300 grams)
44 N (400 grams)
K M R G
Contact Material
1Silver
3Gold
Termination
GGullwing
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.
Operating force Operating life
Type Newtons (grams) (operations) Travel
KMR211G/213G 1.2 (120) ± 0.30 200,000 0,20 ±0,10
KMR221G/223G 2.0 (200) ±0.50 200,000 0,25 ±0,10
KMR231G/233G 3.0 (300) ±0.75 100,000 0,25 ±0,10
KMR241G/243G 4.0 (400) ±1.00 100,000 0,30 ±0,10
Packaging
Switches are delivered in tape and reels of 7,000 pieces. The reel
diameter is 330 (12.992). The tape dimensions conform to the
EIA-RS-481 and EC-286-6 norms.
NOTE: Part numbers listed above do not represent all possible configurations.
For information on specific and custom switches, consult Customer Service Center.
www.ittcannon.com
B–8
Dimensions shown in: mm (inch)
Specifications and dimensions subject to change
Tactile Switches
B
ø1,5+0,25/-0,0
(.059+.010/-.000)
20,05
(.079.002)
0,2920,02
(.011.001)
1,75
(.069)
12+0,3/-0,1
(.472+.012/-.004)
40,1
(.157.004)
4,95 0,1
(.195 .004)
2,420,1
(.095.004)
ø1,50,1
(.059.004)
5,50,05
(.217.002)
3,030,1
(.119.004)
GROUND
TERMINAL
6˚ max
±
±
KMR Series
Microminiature Tact Switch for SMT
4,1
(.161)
4,6
(.181)
2,2
(.087)
0,6
(.024)
0,6
(.024)
2,22
(.087)
1,7
(.066)
1,9
(.074)
1,4
(.055)
2,8
(.110)
0,1
KMR
2,6
(.102)
1
(.039)
0,6
(.023)
2,1
(.083)
0,8
(.031)
3,2
(.126)
1,7
(.066)
5
(.197)
1
2
5
3
4
GROUND TERMINAL
FOR EMC PROTECTION
PAD LAYOUT
DIRECTION OF FEED
KMR211G
KMR411G
TAPE & REEL
2,5 ± 0,2
1,4± 0,15
B
B
Marking see
FI KMR 0001
2,8± 0,2
0,6 0,6
2,11
1,61
2,2
4,2
4,6
0,2 ± 0,1
0,1
X X X X
X X
5
3,2
1,7
3
4
1
2
2,1 0,8
5
1 0,6
2,6
