KMS Series Microminiature SMT Side Actuated Features/Benefits Typical Applications • 1.42mm thickness with excellent • Mobile phones tactile feel • Medical handheld monitors • ESD protection by compact size • Consumer electronics • Positioning pegs for stability • Telecommunication net- • RoHS compliant and compatible works T a c t Specification Packaging il e FUNCTION: Momentary Tape and reels in reels of 3,000 pieces. S External diameter 330mm ± 2mm. CONTACT ARRANGEMENT: SPST, N.O. w TERMINALS: Gullwing type for SMT i IP40 Sealed Electrical Silver Gold tc MAXIMUM POWER: 1 VA 0.2 VA h Mechanical e MAXIMUM VOLTAGE: 32 VDC 32 VDC s OVERLOAD: 20N MAXIMUM CURRENT DC: 50 mA 10 mA TACTILE FEELING: 15% min. for the 2N version MINIMUM CURRENT DC: 1 mA 1 mA 25% min for the 2.5N version DIELECTRIC STRENGTH: 250 VDC CONTACT RESISTANCE: ≤100 mΩ Operating force Operating life INSULATION RESISTANCE: 109 Ω Type Newtons (grams) (operations) Travel BOUNCE TIME: ≤ 3 ms KMS221G/GP 2N (200) ± 0.5 100 K cycles 0,25 ± 0,15 KMS223G/GP 2N (200) ± 0.5 100 K cycles 0,25 ± 0,15 Environmental Silver Gold KMS231G/GP 3N (300) ± 0.6 100 K cycles 0,3 ± 0,15 OPERATING TEMPERATURE: -40˚C to 85˚C -40˚C to 125˚C KMS233G/GP 3N (300) ± 0.6 100 K cycles 0,3 ± 0,15 STORAGE TEMPERATURE: -55˚C to 85˚C -55˚C to 125˚C Note: Specifications listed above are for switches with standard options. For information on Process specific and custom switches, consult Customer Service Center. Soldering: Lead free reflow soldering process 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 G Actuator 2 Standard Termination RoHS compliant and compatible G Gullwing LFS Lead free silver Actuation Force LFG Lead free gold 2 2 N (200 grams) Pegs 3 3 N (300 grams) NONE No pegs Contact Material P With pegs 1 Silver 3 Gold Dimensions are shown: mm Specifications and dimensions subject to change www.ckswitches.com B–21

KMS Series Microminiature SMT Side Actuated KMS KMS WITH PEGS B B 1,11,42 1,1 1,42 5 0, B B 4,6 B 4,6 ø 0,75 45˚0,2 4,2 3,8 4,2 3,8 s e 6 6 0, 0, witch 3,552,15 2,8 2,20,6 3,55 2,8 12,20,6 1,350,75 S 2,5 2,5 1,95 e 5 5 3,2 3,2 il 1,7 1,7 ct 55 55 a 0, Electrical Diagram 0, Electrical Diagram T 2,45 0,6 2,6 2 3 4 2,450,55 0,6 2,6 2 3 4 1 1 0,85 1 5 0,85 1 5 ø(cid:31)0,9 mini 1,95 TAPE & REEL 1,67 ± 0,1 8 ± 0,1 2 ± 0,05 ø1,5 ± 0,1 4,65 ± 0,1 5 1,7 B 5 0 ± 0, R0,5 +0,312-0,15,5 3 ± 0,1 4,95 ± 0,1 A A 0,229 ± 0,02 70 max B ø1,5+ 00,25 3,15 ± 0,1 4 ± 0,1 WITH PEGS 1,67 ± 0,1 8 ± 0,1 2 ± 0,05 ø1,5 ± 0,1 4,65 ± 0,1 3 5 1,7 B 5 +0,312-0,1 5,5 ± 0,0 R0,8 R0,8 3 (x2) 95 ± 0,1 4, A A 0,229 ± 0,02 70 max B 4 ± 0,1 ø1,5+ 00,25 DIRECTION OF FEED Dimensions are shown: mm Specifications and dimensions subject to change www.ckswitches.com B–22

Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: C &K Switches: KMS231G KMS233G KMS231GLFS KMS233GLFG KMS231GPLFS KMS233GPLFG KMS221GPLFS KMS223GPLFG KMS221G LFS KMS223G LFG KMS221GLFS KMS223GLFG