KSS Series Subminiature SMT Side Actuated Features/Benefits Typical Applications • Low profile of 1.7 mm • Cellular phone • Excellent tactile feel • Industrial electronics • High shear force • Health diagnostic electronics • Range of actuation forces • Large flat top • RoHS compliant and compatible T a c t i l e Specification Electrical Silver Gold S w FUNCTION: momentary action MAXIMUM POWER: 1 VA 0.2 VA i CONTACT ARRANGEMENT: N.O. MAXIMUM VOLTAGE: 32 VDC 32 VDC t c TERMINALS: Gullwing MAXIMUM CURRENT: 50 mA 10 mA h IP40 sealed MINIMUM CURRENT: 1 mA 1 mA e DIELECTRIC STRENGTH: ≥ 250 VDC s Mechanical CONTACT RESISTANCE: < 100 mΩ INSULATION RESISTANCE (100 VDC): ≥ 109 Ω OVERLOAD: 20N BOUNCE TIME: < 3 ms TACTILE FEELING: 2 and 4N: 25% min. 2.5N: 30% min. Environmental Silver Gold Operating force Operating life Travel OPERATING TEMPERATURE: -40˚C to 85˚C -40˚C to 125˚C Type Newtons (grams) (operations) (mm) STORAGE TEMPERATURE: -55˚C to 85˚C -55˚C to 125˚C KSS221G 2.0 (200) ± 0.5 100,000 0,3 ± 0,15 KSS231G 2.5 (250) ± 0.5 100,000 0,3 ± 0,10 Process KSS241G 4.0 (400) ± 1.0 100,000 0,3 ± 0,15 Soldering: Lead free reflow soldering process in accordance with IEC 61760-1. Packaging NOTE: Specifications listed above are for switches with standard options. For information on specific and custom switches, consult Customer Service Center. Tape and reels in reels of 3,000 pieces. External diameter 330mm ± 2mm. 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 S G Actuator 2 Standard, 1,1 (0.043) 3 Large, 1,8 (0.070) LFS RoHS compliant and compatible. Silver plated. LFG RoHS compliant and compatible. Gold plated. Operating Force 2 2.0 N (200 grams) Termination 3 2.5 N (250 grams) G Gull wing, SPST 4 4.0 N (400 grams) Contact Material 1 Silver 3 Gold Dimensions are shown: mm Specifications and dimensions subject to change www.ckswitches.com B–47

1 KSS Series Subminiature SMT Side Actuated KSS 4,4 3,5 3,1 1,7 == == B s 5 5 e 75, 2, h c t i w 4,2 S 7,6 e l i t c 7 a 3, T 1,7 8 (2x) 0, ACTUATOR 2 3 STANDARD, 1,1 (0.043) LARGE, 1,8 (0.070) 4,4 4,4 1,1 1,8 TAPE & REEL 1 0, B ± +0,1 5 ø1,5 0 1,7 2 ± 0,1 8 ± 0,1 4 ± 0,1 1 0, 12 ± 0,3 5,5 ± 4 ± 0,2 7,4 ± 0,2 A A B 5 ± 0,1 3,9 ± 0,1 +0,1 ø1,5 0 DIRECTION OF FEED Dimensions are shown: mm Specifications and dimensions subject to change www.ckswitches.com B–48

Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: C &K Switches: KSS221GLFS KSS223GLFG KSS241GLFS KSS243GLFG KSS321GLFS KSS323GLFG KSS341GLFS KSS343GLFG KSS233GLFG KSS333GLFG KSS231GLFS KSS331GLFS