KSR Long Life-200,000 cycles-Gold and Silver Series Subminiature Tact Switch for SMT Typical Applications • Automotive • Cellular phones & accessories • Industrial electronics • Computers & network equipment B Specification Electrical FUNCTION: momentary action CONTACT ARRANGEMENT: Normally Open TERMINALS: Gullwing type for SMT MAXIMUM POWER: MAXIMUM VOLTAGE: MINIMUM VOLTAGE: MAXIMUM CURRENT DC: MINIMUM CURRENT DC: Mechanical Type Operating force(Fa) Operating life Newtons (grams) (operations) Silver versions KSR212G LFS KSR222G LFS KSR232G LFS KSR252G LFS Gold versions KSR214G LFS KSR224G LFS KSR234G LFS KSR254G LFS Travel 1.5 < Fa < 2.2 1.9 < Fa < 2.6 2.25 < Fa < 3.75 3.37 < Fa < 5.6 200,000 200,000 200,000 200,000 0,25 ± 0,15 0,3 ± 0,15 0,35 ± 0,15 0,5 ± 0,15 1.5 < Fa < 2.2 1.9 < Fa < 2.6 2.25 < Fa < 3.75 3.37 < Fa < 5.6 200,000 200,000 200,000 200,000 0,25 ± 0,15 0,3 ± 0,15 0,35 ± 0,15 0,5 ± 0,15 Silver Gold 1 VA 32 V dc 20 m Vdc 50 mA 1 mA 0.2 VA 32 V dc 20 m Vdc 10 mA 1 mA CONTACT RESISTANCE: ≤ 100 m_Ω INSULATION RESISTANCE (100 V): 1 G_ Ω BOUNCE TIME: 1 ms max 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 SOLDERING: Compatible with 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. OVERLOAD: 20 Newtons Packaging Switches are delivered on continuous tape, in reels of 2,500 pieces. 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. 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 R Actuator 2 Soft actuator LFS RoHS compliant and compatible. Silver plated. LFG RoHS compliant and compatible. Gold plated. Operating Force 1 1.8 N (180 grams) 2 2.0 N (200 grams) 3 3.0 N (300 grams) 5 4.5 N (450 grams) Contact Material 2 Silver 4 Gold Termination G Gull wing Dimensions shown in: mm (inch) Specifications and dimensions subject to change B–19 www.ck-components.com Tactile Switches Features/Benefits • Saves PCB space • Range of 4 actuation forces • G terminations • N.O. • Detect type available • Rubber actuator • IP 50 sealed • RoHS compliant and compatible KSR Long Life-200,000 cycles-Gold and Silver Series Subminiature Tact Switch for SMT KSR Ø1,9 (.075) 1±0,1 (.394±.004) TERMINATION GULLWING 1,4 (.055) PAD LAYOUT NORMALLY OPEN 7,3±0,15 (.287±.006) 1,0 (.039) 0,15 (.006) 5 (.197) 8 (.315) 2±0,05 (.079±.002) 4 4 (.157) (.157) 8 (.315) A 5,5±0,05 8 (.315) B B 4º0'max Ø1,5±0,25 (Ø.060±.010) (.217±002) 0,25±0,02 (.010±.001) 12±0,3 (.472±.012) +0,1 2±0,05 Ø1,50 +.004 (.079±.002) (Ø.060+0) 1,75 (.068) TAPE & REEL 6,25 (.246) 7,65 (.301) G 6 (.236) 3,8 (.150) 0,15 (.006) 0,1 (.004) 1,75 ± 0,15 (.069 ± .006) 2,5±0,15 (.098±.006) B Tactile Switches 7,3±0,15 (.287±.006) A DIRECTION OF FEED Dimensions shown in: mm (inch) Specifications and dimensions subject to change B–20 www.ck-components.com