Tactile Switches KMT2 Series Nano-Miniature SMT Top Actuated Features Typical Applications Mobile Phones Smallest footprint Hearing Aids High number of cycles within the MP3 accessories smallest packaging Bluetooth Headset Smallest thickness with integrated actuator Ground pin option B Halogen free Specification Environmental FUNCTION: momentary action Silver CONTACT ARRANGEMENT: 1 make contact = SPST, N.O. OPERATING TEMPERATURE: -40C to 85C TERMINALS: Gullwing type for SMT STORAGE TEMPERATURE: -55C (10 days) +85C (4 days) Mechanical Operating force Operating Tactile Process Type G and NG Newtons (grams) Life Feeling Travel mm SOLDERING: This component is suited to the following methods: KMT 211 HF LFS 1.0 (100) 0.25 150,000 10% 0.15 0.1 Infrared Reflow Soldering in accordance with IEC61760-1 KMT 221 HF LFS 1.6 (160) 0.40 150,000 30% 0.15 0.1 Packaging Electrical Silver In reels of 4,000 pieces. Dimensions of reels according to EIA 481B MAXIMUM POWER: 0.5 VA External diameter 180 mm MAXIMUM VOLTAGE: 32 VDC MINIMUM VOLTAGE: 20 mV MAXIMUM CURRENT DC: 50 mA MINIMUM CURRENT DC: 1 mA NOTE: Specifications listed above are for switches with standard options. DIELECTRIC STRENGTH: 250 Vrms (1mn) For information on specific and custom switches, consult Customer Service Center. CONTACT RESISTANCE: 150 m INSULATION RESISTANCE: 50 M BOUNCE TIME: 6 ms Part Number Description For any part number different from those listed above, please consult your local representative. L F K M T 2 HF Total Height Type 2 0.65 mm LFS RoHS, silver plated HF Halogen Free Grounding Actuation Force LFG RoHS, gold plated - please contact Customer Service Option 1 1.0 N (100 grams) Contact G Ground Pin 2 1.6 N (160 grams) Material NG No Ground Pin 1 Silver 3 Gold - please contact Customer Service Dimensions are shown: mm (inches) Specifications and dimensions subject to change www.ck-components.com B7R0,5 KMT2 Series Nano-Miniature SMT Top Actuated KMT Series No Ground Pin RECOMMENDED LAYOUT ELECTRICAL DIAGRAM B 3,4 0,2 2,3 1,2 3,6 0,06 3 KMT Series With Ground Pin RECOMMENDED LAYOUT ELECTRICAL DIAGRAM 3,4 0,2 1,2 2,3 0,2 3,6 0,06 3 0,4 TAPE & REEL DE-REELING DIRECTION SECTION A-A Draft 5 max OUT OF THE TAPE +0,1 1,5 20,05 40,05 0 1,3 0,1 10,1 40,1 B A A B Draft 5 max 1,7 0,1 2,8 0,1 Dimensions are shown: mm Specifications and dimensions subject to change www.ck-components.com B8 Tactile Switches +0,3 12 -0,1 0,95 0,1 5,5 0,05 1,75 0,1 0,25 0,05 0,4 0,020,05 0,46 1,4 (0,05) 2,6 0,46 1,4 2,6 0,65 0,1 2,4 (0,05) 0,65 0,1 2,4 0,6 1,2 2,6 1,2 2,6 3,6 0,1 40,1