Tactile Switches KMR 6 Series Microminiature SMT Top Actuated IP67 Features/Benefits Typical Applications Watertight IP67 Automotive Standard and long life versions Medical No ground pin Consumer Ultra low current capabilities Industrial Excellent tactile feel B Electrical Silver Gold Specification MAXIMUM POWER: 1 VA 0.2 VA FUNCTION: momentary action MAXIMUM VOLTAGE: 32 VDC 32 VDC CONTACT ARRANGEMENT: 1 make contact = SPST, N.O. 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 NG Operating Travel (mm) CONTACT RESISTANCE: 100 m force life See description INSULATION RESISTANCE: 1G N (grs) (cycles) below BOUNCE TIME: 3 ms KMR611NG LFS 1.2 (120) 0.30 200,000 0.20 mm 0.1 *For ULC version minimum current is 1A at 1.8 VDC KMR611NG ULC LFS 1.2 (120) 0.30 200,000 0.20 mm 0.1 KMR613NG LFG 1.2 (120) 0.30 200,000 0.20 mm 0.1 KMR613NG ULC LFG 1.2 (120) 0.30 200,000 0.20 mm 0.1 Environmental Silver Gold KMR621NG LFS 2.0 (200) 0.50 200,000 0.25 mm 0.1 OPERATING TEMPERATURE: -40C to 85C -40C to 125C KMR621NG ULC LFS 2.0 (200) 0.50 200,000 0.25 mm 0.1 KMR623NG LFG 2.0 (200) 0.50 200,000 0.25 mm 0.1 STORAGE TEMPERATURE: -55C to 85C -55C to 125C KMR623NG ULC LFG 2.0 (200) 0.50 200,000 0.25 mm 0.1 KMR631NG LFS 3.0 (300) 0.75 150,000 0.25 mm 0.1 Process KMR631NG ULC LFS 3.0 (300) 0.75 150,000 0.25 mm 0.1 KMR632NG LFS 3.0 (300) 0.75 300,000 0.25 mm 0.1 Soldering: Lead free reflow soldering process in accordance with KMR632NG ULC LFS 3.0 (300) 0.75 300,000 0.25 mm 0.1 IEC 61760-1. KMR633NG LFG 3.0 (300) 0.75 150,000 0.25 mm 0.1 KMR633NG ULC LFG 3.0 (300) 0.75 150,000 0.25 mm 0.1 Packaging KMR641NG LFS 4.0 (400) 1.00 100,000 0.30 mm 0.1 KMR641NG ULC LFS 4.0 (400) 1.00 100,000 0.30 mm 0.1 In reels of 7,000 pieces KMR642NG LFS 4.0 (400) 1.00 200,000 0.30 mm 0.1 External diameter 330 mm 2 mm KMR642NG ULC LFS 4.0 (400) 1.00 200,000 0.30 mm 0.1 KMR643NG LFG 4.0 (400) 1.00 100,000 0.30 mm 0.1 NOTE: Specifications listed above are for switches with standard options. KMR643NG 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 6 series with actuation force in 2N - 3N - 4N: 30% KMR 6 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 6 N G Total height 6 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 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:Dimensions are shown: mmmm Specifications and dimensions subject to changeSpecifications and dimensions subject to change 24 Aug 21 www.ckswitches.comwww.ckswitches.com B21B21KMR 6 Series Microminiature SMT Top Actuated IP67 NG - No Ground Pin ELECTRICAL DIAGRAM 4 1 B 0,1 3 2 4,6 5 4,2 0,2 3,2 RECOMMENDED LAYOUT 4 1 2 3 2,11 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 0 GROUND TERMINAL 3,03 0,1 DIRECTION OF FEED Dimensions are shown: mm Specifications and dimensions subject to change 24 Aug 21 www.ckswitches.com B22 Tactile Switches 2,8 0,2 0,6 0,6 +0,3 12 -0,1 5,5 0,05 1,75 1,61 1,4 0,15 2,2 1,9 0,2 2,6 1 0,6 4,95 0,1