Manufacturers
C&K KSR251GLFS
Description
Switch Tactile N.O. SPST Round Button Gull Wing 0.05A 32VDC 1VA 100000Cycles 4.5N SMD Automotive T/R
KSR251GLFS
Part Number
KSR251GLFS
Price
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Manufacturer
C&K
Lead Time
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Category
Switches » Switch Tactile
Specifications
Manufacturer
C&K
Manufacturers Part #
KSR251GLFS
Industry Aliases
KSR251GLFS
Sub-Category
Tactile Switches
Selling Alternatives
KSR251G
Packaging
Tape and Reel
Series
KSR
Factory Pack Quantity
2500
Datasheet
Extracted Text
Tactile Switches 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 Specification Electrical Silver Gold MAXIMUM POWER: 1 VA 0.2 VA FUNCTION: momentary action CONTACT ARRANGEMENT: Normally Open MAXIMUM VOLTAGE: 32 VDC 32 VDC TERMINALS: Gullwing type for SMT MINIMUM VOLTAGE: 20 mV 20 mV MAXIMUM CURRENT DC: 50 mA 10 mA Mechanical MINIMUM CURRENT DC: 1 mA 1 mA Operating force Operating life Travel CONTACT RESISTANCE: ≤ 100 mΩ Type Newtons (grams) (operations) (mm) INSULATION RESISTANCE: (100 V): 1G Ω (between terminals) KSR211G LFS / KSR213G LFG 1,5 < 1,85 (185) < 2,2 100,000 0,25 ± 0,15 BOUNCE TIME: 1 ms max. KSR221G LFS / KSR223G LFG 1,9 < 2,25 (225) < 2,6 100,000 0,3 ± 0,15 KSR231G LFS /KSR233G LFG 2,25 < 3,00 (300)< 3,75 100,000 0,35 ± 0,15 Environmental Silver Gold KSR251G LFS / KSR253G LFG 3,4 < 4,50 (450) < 5,6 100,000 0,5 ± 0,15 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. For information on specific and custom switches, consult Customer Service Center. 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) Switch Function 2 2.0 N (200 grams) (NONE) Normally open 3 3.0 N (300 grams) NC Normally closed* 5 4.5 N (450 grams) Termination Contact Material G Gull wing 1 Silver 3 Gold *Available on KSR223G only. Dimensions are shown: Dimensions are shown: mm mm Specifications and dimensions subject to change Specifications and dimensions subject to change www.ckswitches.comwww.ckswitches.com B–43 B–43 KSR Series Subminiature Tact Switch for SMT KSR ø 1,9 7,3 6 B Recommended PCB layout 6 8 TAPE & REEL 2,8 8 A 0,25 22 4 ø1,5 2,1 ø1,5 A 4 DIRECTION OF FEED Dimensions are shown: Dimensions are shown: mm mm Specifications and dimensions subject to change Specifications and dimensions subject to change www.ckswitches.comwww.ckswitches.com B–44 B–44 Tactile Switches 6,25 7,65 12 5,5 1,75 1,4 1 1,75 2,5 3,8 Tactile Switches 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 Specification Electrical Silver Gold FUNCTION: momentary action MAXIMUM POWER: 1 VA 0.2 VA CONTACT ARRANGEMENT: Normally Open MAXIMUM VOLTAGE: 32 V dc 32 V dc TERMINALS: Gullwing type for SMT MINIMUM VOLTAGE: 20 m Vdc 20 m Vdc MAXIMUM CURRENT DC: 50 mA 10 mA Mechanical MINIMUM CURRENT DC: 1 mA 1 mA Operating force(Fa) Operating life Travel CONTACT RESISTANCE: ≤ 100 m Ω Type Newtons (grams) (operations) (mm) INSULATION RESISTANCE (100 V): 1 G Ω (between terminals) Silver versions BOUNCE TIME: 1 ms max KSR212G LFS 1,5 < 1,85 (185) < 2,2 200,000 0,25 ± 0,15 KSR222G LFS 1,9 < 2,25 (225) < 2,6 200,000 0,3 ± 0,15 Environmental Silver Gold KSR232G LFS 2,25 < 3,00 (300)< 3,75 200,000 0,35 ± 0,15 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 SOLDERING: Compatible with lead free reflow soldering process. KSR254G LFS 3,4 < 4,50 (450) < 5,6 200,000 0,5 ± 0,15 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) Termination Contact Material G Gull wing 2 Silver 4 Gold Dimensions are shown: Dimensions are shown: mm mm Specifications and dimensions subject to change Specifications and dimensions subject to change www.ckswitches.comwww.ckswitches.com B–45 B–45 KSR Long Life-200,000 cycles-Gold and Silver Series Subminiature Tact Switch for SMT KSR ø 1,9 7,3 B 6 TERMINATION Recommended PCB layout 6 8 TAPE & REEL 2,8 8 A 0,25 22 4 ø1,5 2,1 ø1,5 A 4 DIRECTION OF FEED Dimensions are shown: Dimensions are shown: mm mm Specifications and dimensions subject to change Specifications and dimensions subject to change www.ckswitches.comwww.ckswitches.com B–46 B–46 Tactile Switches 6,25 7,65 12 5,5 1,75 1,4 1 1,75 2,5 3,8
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