Product Description for KSC441JST2LFS Tactile Switch
The KSC4 series of sealed tact switches from LITTELFUSE / C&K COMPONENTS are high-performance, IP67-rated surface-mount switches designed for demanding industrial, consumer, and automotive applications. These 5.2mm high soft actuator tactile switches provide reliable tactile feedback and are engineered to withstand harsh environmental conditions such as vibration and shock.
Key Features & Benefits
Positive adaptable tactile feeling for precise operation
Soft actuator height of 5.2mm for comfortable actuation
IP67 rated sealing for protection against dust and water ingress
Specifications
Part Number
Operating Force (N)
Operating Life (operations)
Travel (mm)
KSC441JST2LFS
4 ± 1
300,000
0.75 ± 0.25
Mechanical Characteristics
Soldering profile suitable for lead-free processes, with up to 2 reflow cycles
Terminations available in J Bend and G Gullwing styles
Physical Dimensions
J Dimensions (mm)
Dimension (mm)
Height
5.2 ± 0.2
Other dimensions
Refer to datasheet for detailed measurements
G Dimensions (mm)
Dimension (mm)
F
2.7 ± 0.1
Additional measurements
Refer to datasheet for detailed specifications
Packaging & Ordering
Available in tape and reel packaging. Use the part number format KSC4 - x - x - x - xxx - xxx to customize your order based on operating force, contact material, termination style, and other options. For specific configurations, consult the datasheet.
This datasheet does not provide enough information for applications that require a certain level of quality or safety such as automotive, medical systems, or safety equipment. Please contact customer service for the contractual specification package. Information furnished is believed to be accurate and reliable, but users should independently evaluate the suitability for their applications. Littelfuse products are not designed for, and may not be used in, all applications.
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{"id":10027684823357,"title":"KSC441JST2LFS","handle":"ksc441jst2lfs","description":"\u003ch3\u003eProduct Description for KSC441JST2LFS Tactile Switch\u003c\/h3\u003e\n\u003cp\u003eThe KSC4 series of sealed tact switches from \u003cstrong\u003eLITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/strong\u003e are high-performance, IP67-rated surface-mount switches designed for demanding industrial, consumer, and automotive applications. These 5.2mm high soft actuator tactile switches provide reliable tactile feedback and are engineered to withstand harsh environmental conditions such as vibration and shock.\u003c\/p\u003e\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePositive adaptable tactile feeling for precise operation\u003c\/li\u003e\n\u003cli\u003eSoft actuator height of 5.2mm for comfortable actuation\u003c\/li\u003e\n\u003cli\u003eIP67 rated sealing for protection against dust and water ingress\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\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 (operations)\u003c\/th\u003e\n\u003cth\u003eTravel (mm)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKSC441JST2LFS\u003c\/td\u003e\n\u003ctd\u003e4 ± 1\u003c\/td\u003e\n\u003ctd\u003e300,000\u003c\/td\u003e\n\u003ctd\u003e0.75 ± 0.25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eMechanical Characteristics\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSoldering profile suitable for lead-free processes, with up to 2 reflow cycles\u003c\/li\u003e\n\u003cli\u003eTerminations available in J Bend and G Gullwing styles\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePhysical Dimensions\u003c\/h3\u003e\n\u003ch4\u003eJ Dimensions (mm)\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003eDimension (mm)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e5.2 ± 0.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOther dimensions\u003c\/td\u003e\n\u003ctd\u003eRefer to datasheet for detailed measurements\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch4\u003eG Dimensions (mm)\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003eDimension (mm)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eF\u003c\/td\u003e\n\u003ctd\u003e2.7 ± 0.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdditional measurements\u003c\/td\u003e\n\u003ctd\u003eRefer to datasheet for detailed specifications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003ePackaging \u0026amp; Ordering\u003c\/h3\u003e\n\u003cp\u003eAvailable in tape and reel packaging. Use the part number format \u003cstrong\u003eKSC4 - x - x - x - xxx - xxx\u003c\/strong\u003e to customize your order based on operating force, contact material, termination style, and other options. For specific configurations, consult the datasheet.\u003c\/p\u003e\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: KSC441JST2LFS\u003c\/li\u003e\n\u003cli\u003eManufacturer: \u003cstrong\u003eLITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCountry of Origin: France (FR)\u003c\/li\u003e\n\u003cli\u003eUnit of Measure: Each (EA)\u003c\/li\u003e\n\u003cli\u003eECCN: EAR99\u003c\/li\u003e\n\u003cli\u003ePackage Type: Surface Mount\u003c\/li\u003e\n\u003cli\u003eRoHS Compliant: Yes\u003c\/li\u003e\n\u003cli\u003eDatasheet: \u003ca href=\"https:\/\/ckswitches.com\/media\/1970\/ksc4.pdf\" target=\"_blank\"\u003eKSC4 Series Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDisclaimer\u003c\/h3\u003e\n\u003cp\u003eThis datasheet does not provide enough information for applications that require a certain level of quality or safety such as automotive, medical systems, or safety equipment. Please contact customer service for the contractual specification package. Information furnished is believed to be accurate and reliable, but users should independently evaluate the suitability for their applications. Littelfuse products are not designed for, and may not be used in, all applications.\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-16T01:54:37+05:30","created_at":"2025-08-16T01:54:37+05:30","vendor":"Waldom Electonics","type":"","tags":["IMPORT_CSV","IMPORT_PT2","LITTE-CKCO","WLDM"],"price":4435,"price_min":4435,"price_max":4435,"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":50625777271101,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"KSC441JST2LFS","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"KSC441JST2LFS","public_title":null,"options":["Default Title"],"price":4435,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"KSC441JST2LFS","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/KSC441JST2LFS_11120362_68c2ea68.jpg?v=1755289481"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/KSC441JST2LFS_11120362_68c2ea68.jpg?v=1755289481","options":["Title"],"media":[{"alt":null,"id":45859707748669,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/KSC441JST2LFS_11120362_68c2ea68.jpg?v=1755289481"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/KSC441JST2LFS_11120362_68c2ea68.jpg?v=1755289481","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eProduct Description for KSC441JST2LFS Tactile Switch\u003c\/h3\u003e\n\u003cp\u003eThe KSC4 series of sealed tact switches from \u003cstrong\u003eLITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/strong\u003e are high-performance, IP67-rated surface-mount switches designed for demanding industrial, consumer, and automotive applications. These 5.2mm high soft actuator tactile switches provide reliable tactile feedback and are engineered to withstand harsh environmental conditions such as vibration and shock.\u003c\/p\u003e\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePositive adaptable tactile feeling for precise operation\u003c\/li\u003e\n\u003cli\u003eSoft actuator height of 5.2mm for comfortable actuation\u003c\/li\u003e\n\u003cli\u003eIP67 rated sealing for protection against dust and water ingress\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\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 (operations)\u003c\/th\u003e\n\u003cth\u003eTravel (mm)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKSC441JST2LFS\u003c\/td\u003e\n\u003ctd\u003e4 ± 1\u003c\/td\u003e\n\u003ctd\u003e300,000\u003c\/td\u003e\n\u003ctd\u003e0.75 ± 0.25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eMechanical Characteristics\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSoldering profile suitable for lead-free processes, with up to 2 reflow cycles\u003c\/li\u003e\n\u003cli\u003eTerminations available in J Bend and G Gullwing styles\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePhysical Dimensions\u003c\/h3\u003e\n\u003ch4\u003eJ Dimensions (mm)\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003eDimension (mm)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e5.2 ± 0.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOther dimensions\u003c\/td\u003e\n\u003ctd\u003eRefer to datasheet for detailed measurements\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch4\u003eG Dimensions (mm)\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003eDimension (mm)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eF\u003c\/td\u003e\n\u003ctd\u003e2.7 ± 0.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdditional measurements\u003c\/td\u003e\n\u003ctd\u003eRefer to datasheet for detailed specifications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003ePackaging \u0026amp; Ordering\u003c\/h3\u003e\n\u003cp\u003eAvailable in tape and reel packaging. Use the part number format \u003cstrong\u003eKSC4 - x - x - x - xxx - xxx\u003c\/strong\u003e to customize your order based on operating force, contact material, termination style, and other options. For specific configurations, consult the datasheet.\u003c\/p\u003e\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: KSC441JST2LFS\u003c\/li\u003e\n\u003cli\u003eManufacturer: \u003cstrong\u003eLITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCountry of Origin: France (FR)\u003c\/li\u003e\n\u003cli\u003eUnit of Measure: Each (EA)\u003c\/li\u003e\n\u003cli\u003eECCN: EAR99\u003c\/li\u003e\n\u003cli\u003ePackage Type: Surface Mount\u003c\/li\u003e\n\u003cli\u003eRoHS Compliant: Yes\u003c\/li\u003e\n\u003cli\u003eDatasheet: \u003ca href=\"https:\/\/ckswitches.com\/media\/1970\/ksc4.pdf\" target=\"_blank\"\u003eKSC4 Series Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDisclaimer\u003c\/h3\u003e\n\u003cp\u003eThis datasheet does not provide enough information for applications that require a certain level of quality or safety such as automotive, medical systems, or safety equipment. Please contact customer service for the contractual specification package. Information furnished is believed to be accurate and reliable, but users should independently evaluate the suitability for their applications. Littelfuse products are not designed for, and may not be used in, all applications.\u003c\/p\u003e\u003cbr\u003e"}
