KMT0 Series Nano-Miniature SMT Top Actuated Features Typical Applications • Mobile Phones • Hearing Aids • MP3 accessories • Bluetooth Headset • Smallest footprint • Smallest thickness with integrated actuator • High number of cycles within the smallest packaging • IP68 B Environmental FUNCTION: momentary action CONTACT ARRANGEMENT: 1 make contact = SPST, N.O. TERMINALS: J lead type for SMT OPERATING TEMPERATURE: STORAGE TEMPERATURE: Mechanical OPERATING LIFE: KMT011NGJLHS KMT021NGJLHS KMT071NGJLHS KMT031NGJLHS 300,000 cycles Operating force Newtons (grams) 1.0 (100) ± 0.25 1.6 (160) ± 0.25 2.3 (230) ± 0.25 3.4 (340) ± 0.25 Tactile Feeling ≥ 10% ≥ 30% ≥ 30% ≥ 30% Process SOLDERING: This component is suited to the following methods: – Infrared Reflow Soldering in accordance with IEC61760-1 Travel mm 0.15 ± 0.1 0.15 ± 0.1 0.15 ± 0.1 0.15 ± 0.1 Packaging In reels of 4,000 pieces. Dimensions of reels according to EIA 481B External diameter 180 mm Electrical 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 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 M T 0 1 N G J L Total Height 0 0.65/0.63 mm* H S LHS Lead free, RoHS, Halogen free, Silver plated Actuation Force 1 1.0 N (100 grams) Contact 2 1.6 N (160 grams) Material 7 2.3 N (230 grams) 1 Silver 3 3.4 N (340 grams) Grounding Option NGJ No Ground Pin, J leads * Height varies with actuation force (see drawing) Dimensions are shown: Inch (mm) Specifications and dimensions subject to change B–7 www.ck-components.com KMT0 Series Nano-Miniature SMT Top Actuated Minimum actuator diameter is 1.0mm. It is recommended to enlarge this diameter to a full flat surface covering the switch. RECOMMENDED LAYOUT ELECTRICAL DIAGRAM ø 1 mini 1 H 1,2 2,6 0,3 2,6 ( 0,05 ) 0,06 2,3 3,6 1,4 2,4 3,4±0,1 3 DESIGNATION REFERENCE KMT 011 NG J LHS KMT 021 NG J LHS KMT 031 NG J LHS KMT 071 NG J LHS 34 H01 122 FP 34 H02 122 FP 34 H03 122 FP 34 H07 122 FP H±0,07 0,63 0,65 TAPE & REEL 0,25±0,1 OUT OF THE TAPE +0,1 ø 1,5 0 4±0,05 ø 1±0,1 B 1,4 5,5±0,05 1,75±0,1 2±0,05 A 3,6±0,1 0,75±0,1 DE-REELING DIRECTION +0,3 12 -0,1 Tactile Switches B A B 3,2±0,1 2,8±0,05 Dimensions are shown: Inch (mm) Specifications and dimensions subject to change B–8 www.ck-components.com