Tactile Switches KXT3 Series Ultra Low Profile Top Actuated Features Typical Applications Wearable electronics Smallest footprint 3.0 x 2.0 mm In-Ear headphones, Earbuds 0.6 mm thickness Mobile Phones High number of cycle Portable Electronics Hearing Aids B Specification Electrical FUNCTION: momentary action MAXIMUM VOLTAGE: 15 VDC CONTACT ARRANGEMENT: 1 make contact = SPST, N.O. MAXIMUM CURRENT DC: 20 mA TERMINALS: G type for SMT DIELECTRIC STRENGTH: (50/60 Hz, 1 min) 250 Vrms TRAVEL: 0.13 mm 0.05 mm CONTACT RESISTANCE: 500 m INSULATION RESISTANCE: 50 M BOUNCE TIME: 10 ms Mechanical Environmental Operating force Operating Casing OPERATING TEMPERATURE: -40C to 85C gf Life Color STORAGE TEMPERATURE: -40C to 85C KXT 311 LHS 100 50 300,000 Black Process KXT 321 LHS 160 50 500,000 Black KXT 331 LHS 240 70 500,000 Black SOLDERING: This component is suited to the following methods: KXT 341 LHS 330 70 300,000 Black Infrared Reflow Soldering in accordance with IEC61760-1 Packaging In reels of 8,500 pieces Dimensions of reels according to EIA 481B External diameter 330 mm NOTE: Specifications listed above are for switches with standard options. For information on specific and custom switches, consult Customer Service Center. Part Number Description For any part number different from those listed above, please consult your local representative. L H S K X T 3 1 Total Height LHS Lead free, RoHS, Halogen Free, Silver plated 3 0.6mm Actuation Force 1 100 gf Contact Material 2 160 gf 1 Silver 3 240 gf 4 330 gf Dimensions are shown:Dimensions are shown: mmmm Specifications and dimensions subject to changeSpecifications and dimensions subject to change 16 Sep 19 www.ckswitches.com www.ckswitches.com B7B7KXT3 Series Ultra Low Profile Top Actuated SCHEMATIC 0,1 max B ( 0,85) RECOMMENDED PCB LAYOUT 3,8 2,7 3 0,1 2 0,1 3,5 0,1 Cover tape (Polyester) Carrier tape (Polystyrene) Reel (Polystyrene) +0,1 1,5 0 4 2 330 8 3,7 NOTE: CARRIER TAPE A 2 0,5 22,6 0,8 13,8 0,5 A(1/2) 14 REEL Dimensions are shown:Dimensions are shown: mmmm Specifications and dimensions subject to changeSpecifications and dimensions subject to change 16 Sep 19 www.ckswitches.comwww.ckswitches.com B8B8 Tactile Switches 0,6 0,1 (0,385) 1,3 0,1 0,04 0,02 0,1 max 9,3 Cover tape 2,3 (1) 1,5 5,5 1,75 132 0,