Datasheet

Contact Material
1 Silver
2 Silver long life*
3 Gold
* Silver long life is available in 3N and 4N actuation force. For other versions, please contact Customer Service.
Features/Benefits
•
Small footprint
• 4 actuation forces
• Excellent tactile feel
• Ultra low current capabilities
• IP40
KMR 2 Series
Microminiature SMT Top Actuated
Typical Applications
•
Automotive
• Industrial electronics
• Medical equipment
Electrical Silver Gold
MAXIMUM POWER: 1 VA 0.2 VA
MAXIMUM VOLTAGE: 32 VDC 32 VDC
MINIMUM VOLTAGE: 20 mVDC 20 mVDC
MAXIMUM CURRENT: 50 mA 10 mA
MINIMUM CURRENT: 1 mA* 1 mA*
DIELECTRIC STRENGTH: ≥ 250 Vrms
CONTACT RESISTANCE: ≤ 100 mΩ
INSULATION RESISTANCE: ≥ 1GΩ
BOUNCE TIME: ≤ 3 ms
*For ULC version minimum current is 1µA at 1.8 VDC
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
Soldering: Lead free reflow soldering process in accordance with
IEC 61760-1.
Packaging
In reels of 7,000 pieces
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.
Specification
FUNCTION: momentary action
CONTACT ARRANGEMENT: 1 make contact = SPST, N.O.
TERMINALS: Gullwing type for SMT
Mechanical
Total height
2 1,9 mm
LFS Lead free compatible, silver plated
LFG Lead free compatible, gold plated
Actuation Force
1 1.2 N (120 grams)
2 2 N (200 grams)
3 3 N (300 grams)
4 4 N (400 grams)
K M R 2
Grounding option
G Ground pin
NG No Ground pin
Low Current capability
Void Under standard specification
ULC Low current
Part Number Description
For any part number different from those listed above, please consult your local representative.
TACTILE FEELING: KMR 2 series with actuation force in 2N - 3N - 4N: ≥ 30%
KMR 2 series with actuation force in 1.2N: ≥ 20%
8 jun 16
B–11
Dimensions are shown: mm
Specifications and dimensions subject to change
www.ckswitches.com
Tactile Switches
KMR211 LFS 1.2 (120) ± 0.30 200,000 0.20 mm ± 0.1
KMR211 ULC LFS 1.2 (120) ± 0.30 200,000 0.20 mm ± 0.1
KMR213 LFG 1.2 (120) ± 0.30 200,000 0.20 mm ± 0.1
KMR213 ULC LFG 1.2 (120) ± 0.30 200,000 0.20 mm ± 0.1
KMR221 LFS 2.0 (200) ± 0.50 200,000 0.25 mm ± 0.1
KMR221 ULC LFS 2.0 (200) ± 0.50 200,000 0.25 mm ± 0.1
KMR223 LFG 2.0 (200) ± 0.50 200,000 0.25 mm ± 0.1
KMR223 ULC LFG 2.0 (200) ± 0.50 200,000 0.25 mm ± 0.1
KMR231 LFS 3.0 (300) ± 0.75 150,000 0.25 mm ± 0.1
KMR231 ULC LFS 3.0 (300) ± 0.75 150,000 0.25 mm ± 0.1
KMR232 LFS 3.0 (300) ± 0.75 300,000 0.25 mm ± 0.1
KMR232 ULC LFS 3.0 (300) ± 0.75 300,000 0.25 mm ± 0.1
KMR233 LFG 3.0 (300) ± 0.75 150,000 0.25 mm ± 0.1
KMR233 ULC LFG 3.0 (300) ± 0.75 150,000 0.25 mm ± 0.1
KMR241 LFS 4.0 (400) ± 1.00 100,000 0.30 mm ± 0.1
KMR241 ULC LFS 4.0 (400) ± 1.00 100,000 0.30 mm ± 0.1
KMR242 LFS 4.0 (400) ± 1.00 200,000 0.30 mm ± 0.1
KMR242 ULC LFS 4.0 (400) ± 1.00 200,000 0.30 mm ± 0.1
KMR243 LFG 4.0 (400) ± 1.00 100,000 0.30 mm ± 0.1
KMR243 ULC LFG 4.0 (400) ± 1.00 100,000 0.30 mm ± 0.1
Type G and NG
See description
below
Operating
force
N (grs)
Operating
life
(cycles)
Travel (mm)