KMR221G LFS C&K

Tactile Switches KMR 2 Series Microminiature SMT Top Actuated Features/Benefits Typical Applications Automotive Small footprint Industrial electronics 4 actuation forces Excellent tactile feel Medical equipment Ultra low current capabilities IP40 B Specification Electrical Silver Gold FUNCTION: momentary action MAXIMUM POWER: 1 VA 0.2 VA CONTACT ARRANGEMENT: 1 make contact = SPST, N.O. MAXIMUM VOLTAGE: 32 VDC 32 VDC MINIMUM VOLTAGE: 20 mVDC 20 mVDC TERMINALS: Gullwing type for SMT MAXIMUM CURRENT: 50 mA 10 mA MINIMUM CURRENT: 1 mA* 1 mA* Mechanical DIELECTRIC STRENGTH: 250 Vrms Operating Type G and NG Operating CONTACT RESISTANCE: 100 m force life See description INSULATION RESISTANCE: 1G Travel (mm) N (grs) (cycles) below BOUNCE TIME: 3 ms KMR211 LFS 1.2 (120) 0.30 200,000 0.20 mm 0.1 *For ULC version minimum current is 1A at 1.8 VDC 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 Environmental Silver Gold 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 OPERATING TEMPERATURE: -40C to 85C -40C to 125C KMR221 ULC LFS 2.0 (200) 0.50 200,000 0.25 mm 0.1 STORAGE TEMPERATURE: -55C to 85C -55C to 125C 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 Process KMR231 ULC LFS 3.0 (300) 0.75 150,000 0.25 mm 0.1 Soldering: Lead free reflow soldering process in accordance with 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 IEC 61760-1. 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 Packaging 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 In reels of 7,000 pieces KMR242 LFS 4.0 (400) 1.00 200,000 0.30 mm 0.1 External diameter 330 mm 2 mm 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 NOTE: Specifications listed above are for switches with standard options. KMR243 ULC LFG 4.0 (400) 1.00 100,000 0.30 mm 0.1 For information on specific and custom switches, consult Customer Service Center. TACTILE FEELING: KMR 2 series with actuation force in 2N - 3N - 4N: 30% KMR 2 series with actuation force in 1.2N: 20% Part Number Description For any part number different from those listed above, please consult your local representative. K M R 2 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) Low Current capability Void Under standard specification Contact Material ULC Low current 1 Silver 2 Silver long life* Grounding option 3 Gold G Ground pin NG No Ground pin * Silver long life is available in 3N and 4N actuation force. For other versions, please contact Customer Service. Dimensions are shown: mm Specifications and dimensions subject to change 24 Aug 21 www.ckswitches.com B17KMR 2 Series Microminiature Tact Switch for SMT ELECTRICAL DIAGRAM G - Ground Pin 4 1 0,1 0,2 0,1 3 2 5 4,6 3,2 4,2 0,2 1,7 B 5 4 1 2 3 RECOMMENDED LAYOUT 2,11 NG - No Ground Pin 4 1 0,1 3 2 4,6 ELECTRICAL DIAGRAM 4,2 0,2 RECOMMENDED LAYOUT 4 1 2 3 3,2 2,11 5 TAPE & REEL DE-REELING DIRECTION SECTION A-A OUT OF THE TAPE 0 7 max 2,13 0,1 4 0,1 2 0,05 1,5 0,1 B A A 0 6 max +0,25 B 0,292 0,02 1,5 GROUND TERMINAL 0 3,03 0,1 DIRECTION OF FEED Dimensions are shown: mm Specifications and dimensions subject to change 24 Aug 21 www.ckswitches.com B18 Tactile Switches 2,8 0,2 2,8 0,2 0,6 0,6 0,6 0,6 +0,3 12 -0,1 5,5 0,05 1,75 1,61 1,4 0,15 1,61 1,4 0,15 2,2 1,9 0,2 2,2 1,9 0,2 0,04 0,03 2,6 2,45 0,55 2,6 1 0,6 1 0,6 4,95 0,1