KMS Series Microminiature SMT Side Actuated Features/Benefits • Compact size • Excellent tactile feel • ESD protection • Positioning pegs for stability • IP 40 sealing • RoHS compliant and compatible Typical Applications • Mobile phones, pagers • PDAs • Medical handheld monitors • Consumer electronics • Telecommunication networks B Packaging FUNCTION: Momentary CONTACT ARRANGEMENT: SPST, N.O. TERMINALS: Gullwing type for SMT IP40 Sealed Tape and reels in reels of 3,000 pieces. External diameter 330mm ± 2mm. Electrical Mechanical OVERLOAD: 20N TACTILE FEELING: 15% min. for the 2N version 25% min for the 2.5N version Type KMS221G/GP KMS223G/GP KMS231G/GP KMS233G/GP Operating force Newtons (grams) 2N (200) ± 0.5 2N (200) ± 0.5 3N (300) ± 0.6 3N (300) ± 0.6 Operating life (operations) Travel 100 K cycles 0,25 ± 0,15 100 K cycles 0,25 ± 0,15 100 K cycles 0,3 ± 0,15 100 K cycles 0,3 ± 0,15 Silver Gold 1 VA MAXIMUM POWER: MAXIMUM VOLTAGE: 32 VDC MAXIMUM CURRENT DC: 50 mA MINIMUM CURRENT DC: 1 mA DIELECTRIC STRENGTH: 250 VDC CONTACT RESISTANCE: ≤100 mΩ INSULATION RESISTANCE: 109 Ω BOUNCE TIME: ≤ 3 ms 0.2 VA 32 VDC 10 mA 1 mA Environmental Gold Silver OPERATING TEMPERATURE: STORAGE TEMPERATURE: -40˚C to 85˚C -55˚C to 85˚C -40˚C to 125˚C -55˚C to 125˚C Process Note: Specifications listed above are for switches with standard options. For information on specific and custom switches, consult Customer Service Center. Infared reflow soldering in accordance with IEC 61760-1 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. K M S 2 Actuator 2 Standard Actuation Force 2 2 N (200 grams) 3 3 N (300 grams) G Termination G Gullwing Contact Material 1 Silver 3 Gold RoHS compliant and compatible LFS Lead free silver LFG Lead free gold Pegs NONE No pegs P With pegs Dimensions are shown: Inch (mm) Specifications and dimensions subject to change B–13 www.ck-components.com Tactile Switches Specification KMS Series Microminiature SMT Side Actuated B 1,1 1,42 KMS 2,5 5 3,2 4,6 4,2 0,55 0,6 2,45 1,7 0,85 Shift 1 0,35 0,1 2,2 2,2 3,55 2,15 0,6 Marking Code 2,8 0,6 0,3 ± 0,1 Year Day 2308 233A B WITH PEGS ø0,75±0,1 4,6 3,8 ± 0,03 0,3 ± 0,2 1 ± 0,1 Shift 1,35±0,1 Marking Code 0,1 2,2 2308 233A 2,8 0,6 Year Day A 0,75±0,1 4,2 2,2 0,6 B 0,2 450 0,5 +0,10 -0,05 1,1 1,42 KMS 3,55 0,6 1,95 2,5 PCB LAYOUT TOP VIEW 0,1 A TAPE & REEL 8 ± 0,1 B 5,5 ± 0,05 2 ± 0,05 ø1,5 ± 0,1 4,65 ± 0,1 ,5 R0 3 ± 0,1 A A +0,25 B ø1,5 0 4 ± 0,1 3,15 ± 0,1 8 ± 0,1 2 ± 0,05 ø1,5 ± 0,1 4,65± 0,1 ,8 R0 3 (x2) A 0,229 ± 0,02 70 max 3 B R0 +0,3 1,75 1,67 ± 0,1 5,5 ± 0,05 WITH PEGS 4,95 ± 0,1 70 max ,8 0,229 ± 0,02 4,95 ± 0,1 12 -0,1 +0,3 1,75 1,67 ± 0,1 12 -0,1 Tactile Switches B 3,8 ± 0,03 0,3 ± 0,2 0,6 2,6 B A B 4 ± 0,1 +0,25 ø 1,5 0 DIRECTION OF FEED Dimensions are shown: Inch (mm) Specifications and dimensions subject to change B–14 www.ck-components.com