KMR Series
Microminiature Tact Switch for SMT
Features/Benefits
Typical Applications
• Automotive
• Compact size
• Cellular phones
• Industrial electronics
• Computers & network equipment
• Range of 4 actuation forces
• Excellent tactile feel
• ESD protection
• Extra large actuator
• IP 40 sealing
• RoHS compliant and compatible
B
Electrical
Silver
Gold
Specification
MAXIMUM POWER:
MAXIMUM VOLTAGE:
1 VA
32 VDC
50 mA
1 mA
0.2 VA
32 VDC
10 mA
1 mA
FUNCTION: momentary action
CONTACT ARRANGEMENT: 1 make contact = SPST, N.O.
TERMINALS: Gullwing type for SMT
MAXIMUM CURRENT DC:
MINIMUM CURRENT DC:
CONTACT RESISTANCE: ≤ 100 mΩ
INSULATION RESISTANCE: ≥ 1 GΩ
BOUNCE TIME: ≤ 1 ms
Mechanical
MAXIMUM ACTUATING FORCE/LIFE: 20 N for 1,000 cycles
Operating force
Newtons (grams)
KMR211G/213G 1.2 (120) 0.30
KMR221G/223G 2.0 (200) 0.50
KMR231G/233G 3.0 (300) 0.75
KMR241G/243G 4.0 (400) 1.00
Operating life
(operations)
200,000
200,000
100,000
Environmental
OPERATING TEMPERATURE:
STORAGE TEMPERATURE:
Silver
Gold
Type
Travel
0,20 0,10
0,25 0,10
0,25 0,10
0,30 0,10
-40˚C to 85˚C -40˚C to 125˚C
-55˚C to 85˚C -55˚C to 125˚C
100,000
Process
Compatible with infrared reflow, lead free soldering and pick and
place SMT machines.
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.
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
M
R
G
Actuator
2 Standard 1,9 mm height
4 2,5 mm height
Termination
G Gullwing
RoHS compliant and compatible
LFS = Lead free silver
LFG = Lead free gold
Actuation Force
1 1.2 N (120 grams)
2 2 N (200 grams)
3 3 N (300 grams)
4 4 N (400 grams)
Contact Material
1 Silver
3 Gold
Dimensions shown in: mm (inch)
Specifications and dimensions subject to change
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B–7