KSR 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 Operating force Newtons (grams) Operating life (operations) Travel Type KSR211/213 KSR221/223 KSR231/233 KSR251/253 KSR223GNC 1.8 (180) ± 20% 2.3 (200) ± 25% 3.0 (300) ± 25% 4.5 (450) ± 25% 2 (200) ± 25% 100,000 200,000 200,000 100,000 100,000 0,25 ± 0,15 0,3 ± 0,15 0,35 ± 0,15 0,5 ± 0,15 0,3 ± 0,15 Silver 1 VA 32 VDC 20 mV 50 mA 1 mA Gold 0.2 VA 32 VDC 20 mV 10 mA 1 mA CONTACT RESISTANCE: ≤ 100 mΩ INSULATION RESISTANCE: (100 V): 109 Ω BOUNCE TIME: 1 ms max. Environmental OPERATING TEMPERATURE: STORAGE TEMPERATURE: A detect switch version is available KSR2D3. Please see Detect chapter, page F–6. Silver Gold -40˚C to 85˚C -55˚C to 85˚C -40˚C to 125˚C -55˚C to 125˚C Process Packaging SOLDERING: Compatible with lead free reflow soldering process. Switches are delivered on continuous tape, in reels of 2,500 pieces. 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. 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 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 1 Silver 3 Gold LFS RoHS compliant and compatible. Silver plated. LFG RoHS compliant and compatible. Gold plated. Switch Function (NONE) Normally open NC Normally closed* Termination G Gull wing *Available on KSR223G only. Dimensions shown in: mm (inch) Specifications and dimensions subject to change B–17 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 Series Subminiature Tact Switch for SMT KSR Ø1,9 (.075) 1±0,1 (.394±.004) TERMINATION GULLWING PAD LAYOUT NORMALLY CLOSED 1,0 (.039) 7,3±0,15 (.287±.006) 1,4 (.055) 1,4 (.055) PAD LAYOUT NORMALLY OPEN 0,15 (.006) 5 (.197) 5 (.197) 8 (.315) 8 (.315) 8 (.315) A 5,5±0,05 8 (.315) B B 4º0'max Ø1,5±0,25 (Ø.060±.010) (.217±002) 2±0,05 (.079±.002) 4 4 (.157) (.157) 12±0,3 (.472±.012) +0,1 2±0,05 Ø1,50 +.004 (.079±.002) (Ø.060+0) 0,25±0,02 (.010±.001) 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–18 www.ck-components.com