KST

KST Series Long Travel Tact Switch for SMT Features/Benefits • Rubber actuator • Silver contact material • J or G terminals • Compatible with pick and place machines • IP 40 sealed • RoHS compliant and compatible Specification FUNCTION: Momentary CONTACT ARRANGEMENT: 1 make contact = SPST N.O. TERMINALS: J Bend or Gullwing type for SMT Typical Applications • Front panel • Car dashboards • Telephone set • Instrumentation B Tactile Switches Electrical Silver Gold SWITCHING POWER MAX.: 1.0 VA 0.50 VA MAXIMUM POWER: 1.0 VA 0.2 VA MAXIMUM VOLTAGE: 32 VDC 32 VDC MINIMUM VOLTAGE: 20 mV 20 mV MAXIMUM CURRENT: 50 mA 10 mA MINIMUM CURRENT: 1 mA 1 mA DIELECTRIC STRENGTH: ≥ 250 Vrms CONTACT RESISTANCE: < 100mΩ INSULATION RESISTANCE: Initial measurement: ≥ 1GΩ After damp heat: ≥ 10MΩ BOUNCE TIME: < 5 ms Mechanical MAXIMUM APPLIED FORCE: 40 N (400 grams) Operating force Fa N (grams)±30% Type KST221G / J 1,6-3,2 KST241G / J 2,45-4,55 Operating life Travel to (operations) make 100,000 1,3+0,3/-0.2 100,000 1,3+0,3/-0.2 Packaging Switches are delivered on continuous tape and reels of 1,000 pieces, 330 (12.992) external diameter. Other dimensions according to EIA-RS-481 standard. Environmental OPERATING TEMPERATURE: -40˚C to +85˚C (Silver) -40˚C to +125˚C (Gold) -40˚C to +85˚C (Silver) -40˚C to +125˚C (Gold) STORAGE TEMPERATURE: Process Compatible with the lead free reflow soldering process. NOTE: Specifications listed above are for switches with standard options. For information on specific and custom switches, consult Customer Service Center. How To Order Our easy build-a-switch concept allows you to mix and match options to create the switch you need. To order, select desired option from each category and and place it in the appropriate box. However, please note that all the combinations of these options are not feasible. For any part number different from those listed above, please consult your local representative. K S T 2 Actuator 2 Soft, 5 mm Actuation Force 2 2 N (200 grams) 4 3.5 N (350 grams) LFS RoHS compliant and compatible. Silver plated. LFG RoHS compliant and compatible. Gold plated. Termination G Gullwing J J Bend Contact Material 1 Silver 3 Gold Dimensions are shown: Inch (mm) Specifications and dimensions subject to change B–43 www.ck-components.com KST Series Long Travel Tact Switch for SMT KST J J BEND G GULLWING 0,1+0,2/-0,0 (.004+.008/-.000) 1,73 (.068) B Tactile Switches 2,60,15 (.102.006) ø2,8 (.110) 0,1 6,8+0,2/-0,1 (.268+.008/-.004) 5±0,2 (.197±.008) 4,00,1 (.157.004) 0,7+0,05/-0,02 (.028+.002/-.001) 0,1+0,2/-0,0 (.004+.008/-.000) PAD LAYOUT 0,7+0,05/-0,02 (.028+.002/-.001) PAD LAYOUT 6,2+0,3/-0,0 (.244+.012/-.000) 4±0,1 (.157±.004) 1,0 (.039) 1,0 (.039) 6,2+0,3/-0,0 (.244+.012/-.000) 4,0 (.157) 3,0 max. (.118) 8,6 min. (.339) 5,8 max. (.228) 12,0 min. (.472) TAPE & REEL FOR J TERMINATION 1,7±50,1 (.069±.004) 4,0±0,1 (.157±.004) 2,0 (.079) 12,0±0,1 (.472±.004) 4,0±0,1 (.157±.004) 2,0±0,05 (.079±.002) ø1,5+0,1/-0,0 (.059+.004/-.000) 0,4±0,03 (.016±.001) 16,0±0,3 (.630±.012) 7,5±0,1 (.295±.004) 7,3±0,1 (.287±.004) 0,2 Direction of feed 5,6±0,1 (.220±.004) 5˚ max ø1,5+0,2/-0,0 (.059+.008/-.000) 6,7±0,1 (.264±.004) 0,2 FOR G TERMINATION 1,75±0,1 (.069±.004) 4±0,1 (.157±.004) 2±0,05 (.079±.002) 12±0,1 (.472±.004) 4±0,1 (.157±.004) 2±0,05 (.079±.002) ø1,5+0,2/-0,0 (.059+.008/-.000) 0,4±0,03 (.016±.001) 7,5±0,1 (.295±.004) Direction of feed 10,5±0,1 (.413±.004) 16±0,3 (.630±.001) 5,6±0,1 (.220±.004) ø1,5+0,2/-0,0 (.059+.008/-.000) 6,7±0,1 (.264±.004) Dimensions are shown: Inch (mm) Specifications and dimensions subject to change B–44 www.ck-components.com 4,0 (.157) 4,0 (.157) 0,7+0,05/-0,02 (.028+.002/-.001)