KSR Series Subminiature Tact Switch for SMT Features/Benefits Typical Applications • 4 actuation forces • Automotive • G terminations • Medical equipment • N.O. and N.C. • Industrial electronics • Detect type available • Smart meters • Rubber actuator • RoHS compliant and compatible B T a c Specification Electrical Silver Gold t i l e FUNCTION: momentary action MAXIMUM POWER: 1 VA 0.2 VA CONTACT ARRANGEMENT: Normally Open MAXIMUM VOLTAGE: 32 VDC 32 VDC S TERMINALS: Gullwing type for SMT MINIMUM VOLTAGE: 20 mV 20 mV w MAXIMUM CURRENT DC: 50 mA 10 mA i Mechanical MINIMUM CURRENT DC: 1 mA 1 mA tc h Operating force Operating life Travel e Type Newtons (grams) (operations) (mm) CONTACT RESISTANCE: ≤ 100 mΩ s K SR211G LFS / KSR213G LFG 1,5 < 1,85 (185) < 2,2 100,000 0,25 ± 0,15 INSULATION RESISTANCE: (100 V): 1G Ω (between terminals) KSR221G LFS / KSR223G LFG 1,9 < 2,25 (225) < 2,6 100,000 0,3 ± 0,15 BOUNCE TIME: 1 ms max. KSR231G LFS /KSR233G LFG 2,25 < 3,00 (300)< 3,75 100,000 0,35 ± 0,15 KSR251G LFS / KSR253G LFG 3,4 < 4,50 (450) < 5,6 100,000 0,5 ± 0,15 Environmental Silver Gold KSR221G NC LFS 1,5 < 2,25 (225) < 3 30,000 0,3 ± 0,15 OPERATING TEMPERATURE: -40˚C to 85˚C -40˚C to 125˚C KSR223G NC LFG 1,5 < 2 (200) < 2,5 30,000 0,3 ± 0,15 STORAGE TEMPERATURE: -55˚C to 85˚C -55˚C to 125˚C Overload: 20 Newtons Process Detect switch versions are available. Please see Detect chapter SOLDERING: Lead free reflow soldering process in accordance KSR2D/M series. with IEC 61760-1. Packaging NOTE: Specifications listed above are for switches with standard options. Switches are delivered on continuous tape, in reels of 2,500 pieces. 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 2 G Actuator 2 Soft actuator LFS RoHS compliant and compatible. Silver plated. Operating Force LFG RoHS compliant and compatible. Gold plated. 1 1.8 N (180 grams) 2 2.0 N (200 grams) Switch Function 3 3.0 N (300 grams) (NONE) Normally open 5 4.5 N (450 grams) NC Normally closed* Contact Material Termination 1 Silver G Gull wing 3 Gold *Available on KSR223G only. DDiimmeennssiioonnss aarree sshhoowwnn:: mmmm SSppeecciiffiiccaattiioonnss aanndd ddiimmeennssiioonnss ssuubbjjeecctt ttoo cchhaannggee wwwwww..cckksswwiittcchheess..ccoomm BB––4433

KSR Series Subminiature Tact Switch for SMT KSR ø 1,9 1,752,5 7,3 B 6 s e h 1 3,8 c t i w Recommended PCB layout S 1,4 e il 6 t 8 c a T TAPE & REEL 2,8 8 A 0,25 5 2 2 4 ø1,5 7 1, 5 2 5, 1 6,25 7,65 2,1 ø1,5 A 4 DIRECTION OF FEED DDiimmeennssiioonnss aarree sshhoowwnn:: mmmm SSppeecciiffiiccaattiioonnss aanndd ddiimmeennssiioonnss ssuubbjjeecctt ttoo cchhaannggee wwwwww..cckksswwiittcchheess..ccoomm BB––4444

KSR Long Life-200,000 cycles-Gold and Silver Series Subminiature Tact Switch for SMT Features/Benefits Typical Applications • 4 actuation forces • Automotive • G terminations • Medical equipment • N.O. • Industrial electronics • Detect type available • Rubber actuator • IP50 sealed B • RoHS compliant and compatible T a c t i l e Specification Electrical Silver Gold S FUNCTION: momentary action MAXIMUM POWER: 1 VA 0.2 VA w CONTACT ARRANGEMENT: Normally Open MAXIMUM VOLTAGE: 32 V dc 32 V dc i TERMINALS: Gullwing type for SMT MINIMUM VOLTAGE: 20 m Vdc 20 m Vdc tc MAXIMUM CURRENT DC: 50 mA 10 mA h Mechanical MINIMUM CURRENT DC: 1 mA 1 mA e s Operating force(Fa) Operating life Travel Type Newtons (grams) (operations) (mm) CONTACT RESISTANCE: ≤ 100 m Ω Silver versions INSULATION RESISTANCE (100 V): 1 G Ω (between terminals) KSR212G LFS 1,5 < 1,85 (185) < 2,2 200,000 0,25 ± 0,15 BOUNCE TIME: 1 ms max KSR222G LFS 1,9 < 2,25 (225) < 2,6 200,000 0,3 ± 0,15 KSR232G LFS 2,25 < 3,00 (300)< 3,75 200,000 0,35 ± 0,15 Environmental Silver Gold KSR252G LFS 3,4 < 4,50 (450) < 5,6 200,000 0,5 ± 0,15 OPERATING TEMPERATURE: -40˚C to 85˚C -40˚C to 125˚C Gold versions STORAGE TEMPERATURE: -55˚C to 85˚C -55˚C to 125˚C KSR214G LFS 1,5 < 1,85 (185) < 2,2 200,000 0,25 ± 0,15 KSR224G LFS 1,9 < 2,25 (225) < 2,6 200,000 0,3 ± 0,15 Process KSR234G LFS 2,25 < 3,00 (300)< 3,75 200,000 0,35 ± 0,15 KSR254G LFS 3,4 < 4,50 (450) < 5,6 200,000 0,5 ± 0,15 SOLDERING: Compatible with lead free reflow soldering process. NOTE: Specifications listed above are for switches with standard options. OVERLOAD: 20 Newtons For information on specific and custom switches, consult Customer Service Center. 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 2 G Actuator 2 Soft actuator LFS RoHS compliant and compatible. Silver plated. Operating Force LFG RoHS compliant and compatible. Gold plated. 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 Termination 2 Silver G Gull wing 4 Gold DDiimmeennssiioonnss aarree sshhoowwnn:: mmmm SSppeecciiffiiccaattiioonnss aanndd ddiimmeennssiioonnss ssuubbjjeecctt ttoo cchhaannggee wwwwww..cckksswwiittcchheess..ccoomm BB––4455

KSR Long Life-200,000 cycles-Gold and Silver Series Subminiature Tact Switch for SMT KSR ø 1,9 1,752,5 B 7,3 6 s e h 1 3,8 c TERMINATION t i w S Recommended PCB layout e 1,4 l i t 6 c 8 a T TAPE & REEL 2,8 8 A 0,25 5 2 2 4 ø1,5 7 1, 5 2 5, 1 6,25 7,65 2,1 ø1,5 A 4 DIRECTION OF FEED DDiimmeennssiioonnss aarree sshhoowwnn:: mmmm SSppeecciiffiiccaattiioonnss aanndd ddiimmeennssiioonnss ssuubbjjeecctt ttoo cchhaannggee wwwwww..cckksswwiittcchheess..ccoomm BB––4466

Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: C &K Switches: KSR211GLFS KSR223GLFG KSR223GNCLFG KSR231GLFS KSR251GLFS KSR551GLFS KSR553GLFG KSR213GLFG KSR254GLFG KSR233GLFG KSR232GLFS KSR221GLFS KSR234GLFG KSR253GLFG KSR212GLFS KSR214GLFG KSR222GLFS KSR224GLFG KSR252GLFS