KMT2 Series Nano-Miniature SMT Top Actuated Features Typical Applications • Mobile Phones • Hearing Aids • MP3 accessories • Bluetooth Headset • Smallest footprint • High number of cycles within the smallest packaging • Smallest thickness with integrated actuator • Ground pin option • Halogen free B Environmental FUNCTION: momentary action CONTACT ARRANGEMENT: 1 make contact = SPST, N.O. TERMINALS: Gullwing type for SMT OPERATING TEMPERATURE: Silver STORAGE TEMPERATURE: Mechanical Operating force Type G and NG Newtons (grams) KMT 211 HF LFS 1.0 (100) ± 0.25 KMT 221 HF LFS 1.6 (160) ± 0.40 Operating Life 150,000 150,000 Electrical Tactile Feeling ≥ 10% ≥ 30% Travel mm 0.13 ± 0.06 0.13 ± 0.06 Process SOLDERING: This component is suited to the following methods: – Infrared Reflow Soldering in accordance with IEC61760-1 Packaging Silver MAXIMUM POWER: MAXIMUM VOLTAGE: MINIMUM VOLTAGE: MAXIMUM CURRENT DC: MINIMUM CURRENT DC: DIELECTRIC STRENGTH: CONTACT RESISTANCE: INSULATION RESISTANCE: BOUNCE TIME: -40˚C to 85˚C -55˚C (10 days) +85˚C (4 days) Tactile Switches Specification In reels of 4,000 pieces. Dimensions of reels according to EIA 481B External diameter 180 mm 0.5 VA 32 VDC 20mV 50 mA 1 mA ≥ 250 Vrms (1mn) ≤ 300 mΩ ≥ 50 MΩ ≤ 6 ms 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. K Total Height 2 0.65 mm M T 2 HF L F Type HF Halogen Free LFS RoHS, silver plated LFG RoHS, gold plated - please contact Customer Service Grounding Actuation Force 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: Inch (mm) Specifications and dimensions subject to change B–5 www.ck-components.com KMT2 Series Nano-Miniature SMT Top Actuated KMT Series – No Ground Pin RECOMMENDED LAYOUT 2,3 3,6 ø1,2 (0,05) 3,4 ± 0,2 0,06 2,6 3 KMT Series – With Ground RECOMMENDED LAYOUT 0,46 0,65 ± 0,1 0,6 1,2 2,6 1,4 2,4 ELECTRICAL DIAGRAM ø1,2 2,3 3,6 0,2 0,02 ±0,05 (0,05) 3,4 ±0,2 0,06 0,4 2,6 0,4 3 DE-REELING DIRECTION 0,25 ±0,05 2±0,05 Draft 5˚ max +0,1 ø1,5 0 4±0,05 1,3 ±0,1 ø1±0,1 4±0,1 B 3,6 ±0,1 5,5 ±0,05 1,75 ±0,1 SECTION A-A OUT OF THE TAPE A 4±0,1 0,95 ±0,1 TAPE & REEL +0,3 12 -0,1 Tactile Switches B 0,46 0,65 ± 0,1 1,2 2,6 1,4 2,4 ELECTRICAL DIAGRAM A R0,5 Draft 5˚ max B 1,7 ±0,1 2,8 ±0,1 Dimensions are shown: Inch (mm) Specifications and dimensions subject to change B–6 www.ck-components.com