The KSC721JLFS is a sealed tactile switch designed for reliable performance in various electronic applications. Manufactured by LITTELFUSE / C&K COMPONENTS in France, this switch features a soft actuator with a height of 4.3mm and an IP67 rating for durability and protection against dust and water ingress. It is suitable for industrial, consumer, automotive, medical, and remote control applications.
Key Features & Benefits
Sealed IP67 rated design for enhanced durability
Soft actuator with 4.3mm height for comfortable tactile feedback
Available with J and G termination types
Positive, adaptable tactile feeling
RoHS and REACH compliant, lead-free compatible
Suitable for SMT reflow soldering processes
Technical Specifications
Part Number
KSC721JLFS
Manufacturer
LITTELFUSE / C&K COMPONENTS
Country of Origin
France (FR)
UOM
EA
ECCN
EAR99
Package Type
Reel
Dimensions (mm)
Dimension
Tolerance
Height
4.3
±0.1
Travel
0.3 ± 0.15
Maximum Width
2.9
Other Dimensions
6.2 +0.3 0
Mechanical Characteristics
Part Number
Operating Force (N)
Operating Life
Travel (mm)
KSC721
2.25 ± 0.55
300,000 operations
0.3 ± 0.15
Soldering Profile
Suitable for lead-free reflow soldering with up to 2 reflow cycles, using slightly activated flux. Terminals can be silver or gold plated over a nickel barrier.
Ordering Information
Available options include different operating forces, contact materials (Silver or Gold), and terminations (J Bend or Gullwing). For custom configurations, please consult your local representative.
{"id":10027686199613,"title":"KSC721JLFS","handle":"ksc721jlfs","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe KSC721JLFS is a sealed tactile switch designed for reliable performance in various electronic applications. Manufactured by \u003cstrong\u003eLITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/strong\u003e in France, this switch features a soft actuator with a height of 4.3mm and an IP67 rating for durability and protection against dust and water ingress. It is suitable for industrial, consumer, automotive, medical, and remote control applications.\u003c\/p\u003e\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSealed IP67 rated design for enhanced durability\u003c\/li\u003e\n \u003cli\u003eSoft actuator with 4.3mm height for comfortable tactile feedback\u003c\/li\u003e\n \u003cli\u003eAvailable with J and G termination types\u003c\/li\u003e\n \u003cli\u003ePositive, adaptable tactile feeling\u003c\/li\u003e\n \u003cli\u003eRoHS and REACH compliant, lead-free compatible\u003c\/li\u003e\n \u003cli\u003eSuitable for SMT reflow soldering processes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003ePart Number\u003c\/th\u003e\n \u003ctd\u003eKSC721JLFS\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eManufacturer\u003c\/th\u003e\n \u003ctd\u003eLITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eCountry of Origin\u003c\/th\u003e\n \u003ctd\u003eFrance (FR)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eUOM\u003c\/th\u003e\n \u003ctd\u003eEA\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eECCN\u003c\/th\u003e\n \u003ctd\u003eEAR99\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003ePackage Type\u003c\/th\u003e\n \u003ctd\u003eReel\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eDimensions (mm)\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003e\u003c\/th\u003e\n \u003cth\u003eDimension\u003c\/th\u003e\n \u003cth\u003eTolerance\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eHeight\u003c\/td\u003e\n \u003ctd\u003e4.3\u003c\/td\u003e\n \u003ctd\u003e±0.1\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eTravel\u003c\/td\u003e\n \u003ctd\u003e0.3 ± 0.15\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMaximum Width\u003c\/td\u003e\n \u003ctd\u003e2.9\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eOther Dimensions\u003c\/td\u003e\n \u003ctd\u003e6.2 +0.3 0\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eMechanical Characteristics\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003ePart Number\u003c\/th\u003e\n \u003cth\u003eOperating Force (N)\u003c\/th\u003e\n \u003cth\u003eOperating Life\u003c\/th\u003e\n \u003cth\u003eTravel (mm)\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eKSC721\u003c\/td\u003e\n \u003ctd\u003e2.25 ± 0.55\u003c\/td\u003e\n \u003ctd\u003e300,000 operations\u003c\/td\u003e\n \u003ctd\u003e0.3 ± 0.15\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eSoldering Profile\u003c\/h3\u003e\n\u003cp\u003eSuitable for lead-free reflow soldering with up to 2 reflow cycles, using slightly activated flux. Terminals can be silver or gold plated over a nickel barrier.\u003c\/p\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cp\u003eAvailable options include different operating forces, contact materials (Silver or Gold), and terminations (J Bend or Gullwing). For custom configurations, please consult your local representative.\u003c\/p\u003e\n\u003ch3\u003eDatasheet \u0026amp; Additional Resources\u003c\/h3\u003e\n\u003cp\u003eFor detailed specifications, refer to the \u003ca href=\"https:\/\/ckswitches.com\/media\/1973\/ksc7.pdf\" target=\"_blank\"\u003eKSC7 Series Datasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNote: The datasheet was not processed. Please search the internet for the part number KSC721JLFS for more details.\u003c\/em\u003e\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-16T01:55:57+05:30","created_at":"2025-08-16T01:55:57+05:30","vendor":"Waldom Electonics","type":"Switches","tags":["IMPORT_CSV","IMPORT_PT2","LITTE-CKCO","SW","Switches","Tactile","WLDM"],"price":3049,"price_min":3049,"price_max":3049,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":50625779564861,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"KSC721JLFS","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"KSC721JLFS","public_title":null,"options":["Default Title"],"price":3049,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"KSC721JLFS","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/KSC721JLFS_11120410_09ad1026.jpg?v=1755289561"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/KSC721JLFS_11120410_09ad1026.jpg?v=1755289561","options":["Title"],"media":[{"alt":null,"id":45859725639997,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/KSC721JLFS_11120410_09ad1026.jpg?v=1755289561"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/KSC721JLFS_11120410_09ad1026.jpg?v=1755289561","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe KSC721JLFS is a sealed tactile switch designed for reliable performance in various electronic applications. Manufactured by \u003cstrong\u003eLITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/strong\u003e in France, this switch features a soft actuator with a height of 4.3mm and an IP67 rating for durability and protection against dust and water ingress. It is suitable for industrial, consumer, automotive, medical, and remote control applications.\u003c\/p\u003e\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSealed IP67 rated design for enhanced durability\u003c\/li\u003e\n \u003cli\u003eSoft actuator with 4.3mm height for comfortable tactile feedback\u003c\/li\u003e\n \u003cli\u003eAvailable with J and G termination types\u003c\/li\u003e\n \u003cli\u003ePositive, adaptable tactile feeling\u003c\/li\u003e\n \u003cli\u003eRoHS and REACH compliant, lead-free compatible\u003c\/li\u003e\n \u003cli\u003eSuitable for SMT reflow soldering processes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003ePart Number\u003c\/th\u003e\n \u003ctd\u003eKSC721JLFS\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eManufacturer\u003c\/th\u003e\n \u003ctd\u003eLITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eCountry of Origin\u003c\/th\u003e\n \u003ctd\u003eFrance (FR)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eUOM\u003c\/th\u003e\n \u003ctd\u003eEA\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eECCN\u003c\/th\u003e\n \u003ctd\u003eEAR99\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003ePackage Type\u003c\/th\u003e\n \u003ctd\u003eReel\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eDimensions (mm)\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003e\u003c\/th\u003e\n \u003cth\u003eDimension\u003c\/th\u003e\n \u003cth\u003eTolerance\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eHeight\u003c\/td\u003e\n \u003ctd\u003e4.3\u003c\/td\u003e\n \u003ctd\u003e±0.1\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eTravel\u003c\/td\u003e\n \u003ctd\u003e0.3 ± 0.15\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMaximum Width\u003c\/td\u003e\n \u003ctd\u003e2.9\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eOther Dimensions\u003c\/td\u003e\n \u003ctd\u003e6.2 +0.3 0\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eMechanical Characteristics\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003ePart Number\u003c\/th\u003e\n \u003cth\u003eOperating Force (N)\u003c\/th\u003e\n \u003cth\u003eOperating Life\u003c\/th\u003e\n \u003cth\u003eTravel (mm)\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eKSC721\u003c\/td\u003e\n \u003ctd\u003e2.25 ± 0.55\u003c\/td\u003e\n \u003ctd\u003e300,000 operations\u003c\/td\u003e\n \u003ctd\u003e0.3 ± 0.15\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eSoldering Profile\u003c\/h3\u003e\n\u003cp\u003eSuitable for lead-free reflow soldering with up to 2 reflow cycles, using slightly activated flux. Terminals can be silver or gold plated over a nickel barrier.\u003c\/p\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cp\u003eAvailable options include different operating forces, contact materials (Silver or Gold), and terminations (J Bend or Gullwing). For custom configurations, please consult your local representative.\u003c\/p\u003e\n\u003ch3\u003eDatasheet \u0026amp; Additional Resources\u003c\/h3\u003e\n\u003cp\u003eFor detailed specifications, refer to the \u003ca href=\"https:\/\/ckswitches.com\/media\/1973\/ksc7.pdf\" target=\"_blank\"\u003eKSC7 Series Datasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNote: The datasheet was not processed. Please search the internet for the part number KSC721JLFS for more details.\u003c\/em\u003e\u003c\/p\u003e\u003cbr\u003e"}
