KSC-ST Series Sound Tunable Tact Switch Features/Benefits • Positive tactile feeling • Range of 2 sound intensity • J or G terminations • Tape & reel • IP 67 Tactile Switches B Typical Applications • Automotive • Industrial electronics • Keyboards • Medical equipment Specification Electrical FUNCTION: momentary action CONTACT ARRANGEMENT: 1 make contact = SPST, N.O. TERMINALS: J bend & Gullwing type for SMT MAXIMUM POWER: MAXIMUM VOLTAGE: MINIMUM VOLTAGE: MAXIMUM CURRENT: MINIMUM CURRENT: Mechanical Type KSC441J KSC441J KSC461J KSC461J ST1 ST2 ST1 ST2 LFS LFS LFS LFS Sound Intensity * Operating Force Travel (mm) >50dBA <30dBA >50dBA <30dBA 3.4 ± 1N 3.4 ± 1N 4.5/8.0N 4.5/8.0N 0.7 ± 0.25 0.35 ± 0.20 1.0 ± 0.3 0.5 ± 0.2 Gold 1 VA 32 VDC 20 mV 50 mA 1 mA 0.2 VA 32 VDC 20 mV 10 mA 1 mA DIELECTRIC STRENGTH (50 Hz, 1 min.): 250 V CONTACT RESISTANCE: < 100 mΩ INSULATION RESISTANCE (100 V): > 109 Ω BOUNCE TIME: < 1 ms Environmental OPERATING TEMPERATURE: STORAGE TEMPERATURE: Silver Gold -40˚C to 85˚C -55˚C to 85˚C -40˚C to 125˚C -55˚C to 125˚C Process OPERATING LIFE: 300,000 cycles for KSC44 and KSC461JST2LFS 100,000 cycles for KSC461JST1LFS (*) Silver SOLDERING: Depending on the application, this component is suited to the following methods: – Cleaning according to typical washing processes. – Infrared Reflow Soldering in accordance with IEC 61760-1. Sound intensity is given as a reference, switch isolated, outside any additive part such as PCB, button, etc. The sound intensity after product integration may change according to the surrounding parts. For other features, please refer to the KSC Series data sheets. Packaging In reels of 1,000 pieces. Dimensions of reels according to EIA RS481 or IEC 2863. External diameter 330 mm ± 2 mm. 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 place it in the appropriate box. For any part number different from those listed above, please consult your local representative. K S Operating Force 44 3.4 ± 1N 46 4.5/8.0N C S T LFS Lead free compatible, silver plated. LFG Lead free compatible, gold plated. Contact Material 1 Silver 3 Gold Termination J J bend G Gull wing Sound Intensity 1 >50 dBA 2 <30 dBA Dimensions are shown: Inch (mm) Specifications and dimensions subject to change B–32 www.ck-components.com KSC-ST Series Sound Tunable Tact Switch ACTUATOR 5,2 (.205) ø2,6 (.102) B 0 1 Tactile Switches CONTACT MATERIAL OPTION CODE MATERIAL 1 3 SILVER GOLD TERMINATION J G J BEND GULLWING 2,6 (.102) 0,7 (.028) 4,00,1 (.157.004) 10 (.394) 2 0,1 (.004) 0,7+0,05/-0,02 (.028+.002/-.001) 40,1 (.157.004) 2,6 (.102) 2,5 (.098) 6,8 (.268) 0,5 (.020) 1 7,5+0,3/-0,0 (.295+.012/-.000) 4,0 (.157) 4,0 (.157) 1,0 (.039) 1,0 (.039) PAD LAYOUT PAD LAYOUT 5,8 max. (.228) 12,0 min. (.472) 3,0 max. (.118) 8,6 min. (.339) Dimensions are shown: Inch (mm) Specifications and dimensions subject to change B–33 www.ck-components.com KSC-ST Series Sound Tunable Tact Switch SOUND INTENSITY OPTION CODE SOUND INTENSITY ST1 ST2 >50 dBA <30 dBA TAPE & REEL FOR KSC4 FOR G TERMINATION 4±0,1 (.157±.004) Direction of feed 16±0,3 (.630±.012) 1,0 (.039) 7,5 (.295) B 10,50,1 (.413.004) 2˚0' 2±0,05 (.079±.002) 2±0,05 (.079±.002) ø1,5+0,1/-0,0 (.059+.004/-.000) 5,6 (.220) 1,75 (.069) 12±0,1 (.472±.004) R 1,1 (.045) 5 0,15±0,02 (.006±.001) 0,4±0,03 (.016±.001) B 6,7±0,1 (.264±.004) 2,05 (.081) ø1,5+0,2/-0,0 (.059+.008/-.000) FOR KSC4 FOR J TERMINATION 2±0,05 (.079±.002) 2±0,05 (.079±.002) ø1,5+0,1/-0,0 (.059+.004/-.000) 5,6 (.220) 16±0,3 (.630±.012) 2˚0' 4±0,1 (.157±.004) 7,5 (.295) 1,0 (.039) B 1,75 (.069) 12±0,1 (.472±.004) 7,3±0,1 (.287±.004) Tactile Switches B R 1,1 (.045) 5 Direction of feed 0,15±0,02 (.006±.001) 0,4±0,03 (.016±.001) B 6,7±0,1 (.264±.004) 2,05 (.081) ø1,5+0,2/-0,0 (.059+.008/-.000) Dimensions are shown: Inch (mm) Specifications and dimensions subject to change B–34 www.ck-components.com