KST Series Long Travel Tact Switch for SMT Features/Benefits • Rubber actuator • Silver contact material • J or G terminals • Compatible with pick and place Tactile Switches B Typical Applications • Front panel • Car dashboards • Telephone set • Instrumentation machines • IP 40 sealed • RoHS compliant and compatible Specification Electrical FUNCTION: Momentary CONTACT ARRANGEMENT: 1 make contact = SPST N.O. TERMINALS: J Bend or Gullwing type for SMT SWITCHING POWER MAX.: 1.0 VA MAXIMUM POWER: 0.2 VA MAXIMUM VOLTAGE: 32 VDC MINIMUM VOLTAGE: 20 mV MAXIMUM CURRENT: 10 mA MINIMUM CURRENT: 1 mA DIELECTRIC STRENGTH (50 Hz, 1 min.): > 250 V CONTACT RESISTANCE: <100m Ω INSULATION RESISTANCE: <109 Ω BOUNCE TIME: < 1 ms Mechanical MAXIMUM APPLIED FORCE: 40 N (400 grams) Operating force Type Fa N (grams)±30% KST221G / J 2 (200) KST241G / J 3.5 (350) Operating life Travel to (operations) make 100,000 1,3+0,3/-0.2 100,000 1,3+0,3/-0.2 Silver Gold 0.50 VA 0.2 VA 32 VDC 20 mV 10 mA 1 mA Environmental Packaging OPERATING TEMPERATURE: -40˚C to +85˚C STORAGE TEMPERATURE: -40˚C to +85˚C 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. Process Compatible with the lead free soldering profile. 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 ITT representative. K S T 2 G 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 shown in: mm (inch) Specifications and dimensions subject to change B–28 www.ittcannon.com KST Series Long Travel Tact Switch for SMT KST G J BEND GULLWING 4,0 (.157) 0,7+0,05/-0,02 (.028+.002/-.001) 4,00,1 (.157.004) 0,7+0,05/-0,02 (.028+.002/-.001) PAD LAYOUT 4,0 (.157) 1,0 (.039) 4±0,1 (.157±.004) PAD LAYOUT 6,2+0,3/-0,0 (.244+.012/-.000) 4,0 (.157) 5±0,2 (.197±.008) 2,60,15 (.102.006) 0,1+0,2/-0,0 (.004+.008/-.000) 6,2+0,3/-0,0 (.244+.012/-.000) B 5,8 max. (.228) 12,0 min. (.472) 3,0 max. (.118) 8,6 min. (.339) TAPE & REEL 1,7±50,1 (.069±.004) FOR J TERMINATION 4,0±0,1 (.157±.004) 2,0±0,05 (.079±.002) ø1,5+0,1/-0,0 (.059+.004/-.000) 5,6±0,1 (.220±.004) 7,3±0,1 (.287±.004) 7,5±0,1 (.295±.004) 16,0±0,3 (.630±.012) 0,2 0,4±0,03 (.016±.001) 12,0±0,1 (.472±.004) 4,0±0,1 (.157±.004) 2,0 (.079) ø1,5+0,2/-0,0 (.059+.008/-.000) 5˚ max 1,75±0,1 (.069±.004) FOR G TERMINATION 12±0,1 (.472±.004) 2±0,05 (.079±.002) 2±0,05 (.079±.002) ø1,5+0,2/-0,0 (.059+.008/-.000) 10,5±0,1 (.413±.004) Direction of feed 16±0,3 (.630±.001) 5,6±0,1 (.220±.004) 0,2 4±0,1 (.157±.004) 7,5±0,1 (.295±.004) 0,4±0,03 (.016±.001) 4±0,1 (.157±.004) 6,7±0,1 (.264±.004) Direction of feed ø1,5+0,2/-0,0 (.059+.008/-.000) 6,7±0,1 (.264±.004) Dimensions shown in: mm (inch) Specifications and dimensions subject to change B–29 www.ittcannon.com Tactile Switches 6,8+0,2/-0,1 (.268+.008/-.004) 0,1 1,0 (.039) 1,73 (.068) ø2,8 (.110) 0,7+0,05/-0,02 (.028+.002/-.001) 0,1+0,2/-0,0 (.004+.008/-.000) J