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LITTELFUSE
KSC243JLFG
Product Description
The LITTELFUSE / C&K COMPONENTS Part Number: KSC243JLFG is a sealed tactile switch designed for surface-mount technology (SMT). This switch features a 6.2 x 6.2 mm footprint with a 3.5 mm high soft actuator, offering reliable momentary action suitable for various electronic applications.
Key Features & Benefits:
IP67 rated sealing for enhanced durability and protection against dust and water ingress
Soft actuator with a height of 3.5 mm for comfortable tactile feedback
Electrical height optimized for easier integration with precise tolerances
Available with J-bend or gullwing SMT terminals
Designed for compatibility with lead-free reflow soldering processes
RoHS and REACH compliant, low halogen materials
Electrical Characteristics:
Parameter
Specification
Dielectric Strength (50 Hz, 1 min.)
≥ 250 Vrms
Contact Resistance
≤ 100 mΩ
Insulation Resistance (100 V)
≥ 1000 MΩ
Bounce Time
≤ 1 ms
Silver Max Power
1 VA
Gold Max Power
0.2 VA
Maximum Voltage
32 VDC
Maximum Current
50 mA
Minimum Voltage
20 mV
Minimum Current
1 mA
Mechanical Characteristics:
Part #
Operating Force (N)
Operating Life
Electrical Travel (mm)
Electrical Height from PCB (mm)
KSC201
1.6 ± 0.6
5,000,000
0.3 ± 0.2
3.35 ± 0.2
KSC241
3.5 ± 0.9
300,000
0.5 ± 0.2
3 ± 0.2
KSC251
5.55 ± 1.45
300,000
0.5 ± 0.2
2.95 ± 0.2
For detailed specifications and custom options, please refer to the datasheet .
Additional Information:
Part Number: KSC243JLFG
Manufacturer: LITTELFUSE / C&K COMPONENTS
Country of Origin: FR (France)
Unit of Measure: EA
ECCN: EAR99
Package Type: BLK
RoHS Compliant: Yes
Note: Specifications are subject to change without notice. For applications requiring specific safety or quality standards, please contact customer service for detailed contractual specifications.
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This switch features a 6.2 x 6.2 mm footprint with a 3.5 mm high soft actuator, offering reliable momentary action suitable for various electronic applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features \u0026amp; Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eIP67 rated sealing for enhanced durability and protection against dust and water ingress\u003c\/li\u003e\n \u003cli\u003eSoft actuator with a height of 3.5 mm for comfortable tactile feedback\u003c\/li\u003e\n \u003cli\u003eElectrical height optimized for easier integration with precise tolerances\u003c\/li\u003e\n \u003cli\u003eAvailable with J-bend or gullwing SMT terminals\u003c\/li\u003e\n \u003cli\u003eDesigned for compatibility with lead-free reflow soldering processes\u003c\/li\u003e\n \u003cli\u003eRoHS and REACH compliant, low halogen materials\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eElectrical Characteristics:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eParameter\u003c\/th\u003e\n \u003cth\u003eSpecification\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eDielectric Strength (50 Hz, 1 min.)\u003c\/td\u003e\n \u003ctd\u003e≥ 250 Vrms\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eContact Resistance\u003c\/td\u003e\n \u003ctd\u003e≤ 100 mΩ\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eInsulation Resistance (100 V)\u003c\/td\u003e\n \u003ctd\u003e≥ 1000 MΩ\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eBounce Time\u003c\/td\u003e\n \u003ctd\u003e≤ 1 ms\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eSilver Max Power\u003c\/td\u003e\n \u003ctd\u003e1 VA\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eGold Max Power\u003c\/td\u003e\n \u003ctd\u003e0.2 VA\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMaximum Voltage\u003c\/td\u003e\n \u003ctd\u003e32 VDC\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMaximum Current\u003c\/td\u003e\n \u003ctd\u003e50 mA\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMinimum Voltage\u003c\/td\u003e\n \u003ctd\u003e20 mV\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMinimum Current\u003c\/td\u003e\n \u003ctd\u003e1 mA\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eMechanical Characteristics:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003ePart #\u003c\/th\u003e\n \u003cth\u003eOperating Force (N)\u003c\/th\u003e\n \u003cth\u003eOperating Life\u003c\/th\u003e\n \u003cth\u003eElectrical Travel (mm)\u003c\/th\u003e\n \u003cth\u003eElectrical Height from PCB (mm)\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eKSC201\u003c\/td\u003e\n \u003ctd\u003e1.6 ± 0.6\u003c\/td\u003e\n \u003ctd\u003e5,000,000\u003c\/td\u003e\n \u003ctd\u003e0.3 ± 0.2\u003c\/td\u003e\n \u003ctd\u003e3.35 ± 0.2\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eKSC241\u003c\/td\u003e\n \u003ctd\u003e3.5 ± 0.9\u003c\/td\u003e\n \u003ctd\u003e300,000\u003c\/td\u003e\n \u003ctd\u003e0.5 ± 0.2\u003c\/td\u003e\n \u003ctd\u003e3 ± 0.2\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eKSC251\u003c\/td\u003e\n \u003ctd\u003e5.55 ± 1.45\u003c\/td\u003e\n \u003ctd\u003e300,000\u003c\/td\u003e\n \u003ctd\u003e0.5 ± 0.2\u003c\/td\u003e\n \u003ctd\u003e2.95 ± 0.2\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003eFor detailed specifications and custom options, please refer to the \u003ca href=\"https:\/\/ckswitches.com\/media\/1968\/ksc2.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAdditional Information:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003ePart Number: KSC243JLFG\u003c\/li\u003e\n \u003cli\u003eManufacturer: LITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/li\u003e\n \u003cli\u003eCountry of Origin: FR (France)\u003c\/li\u003e\n \u003cli\u003eUnit of Measure: EA\u003c\/li\u003e\n \u003cli\u003eECCN: EAR99\u003c\/li\u003e\n \u003cli\u003ePackage Type: BLK\u003c\/li\u003e\n \u003cli\u003eRoHS Compliant: Yes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eNote: Specifications are subject to change without notice. For applications requiring specific safety or quality standards, please contact customer service for detailed contractual specifications.\u003c\/em\u003e\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-16T05:58:58+05:30","created_at":"2025-08-16T05:58:59+05:30","vendor":"Waldom Electonics","type":"Switches","tags":["IMPORT_CSV","IMPORT_PT2","LITTE-CKCO","Switch","Tactile","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":50626456420669,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"KSC243JLFG","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"KSC243JLFG","public_title":null,"options":["Default Title"],"price":4435,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"KSC243JLFG","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/11120276.png?v=1755304141"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/11120276.png?v=1755304141","options":["Title"],"media":[{"alt":null,"id":45863164346685,"position":1,"preview_image":{"aspect_ratio":1.0,"height":400,"width":400,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/11120276.png?v=1755304141"},"aspect_ratio":1.0,"height":400,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/11120276.png?v=1755304141","width":400}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eLITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/strong\u003e \u003cstrong\u003ePart Number:\u003c\/strong\u003e KSC243JLFG is a sealed tactile switch designed for surface-mount technology (SMT). This switch features a 6.2 x 6.2 mm footprint with a 3.5 mm high soft actuator, offering reliable momentary action suitable for various electronic applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features \u0026amp; Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eIP67 rated sealing for enhanced durability and protection against dust and water ingress\u003c\/li\u003e\n \u003cli\u003eSoft actuator with a height of 3.5 mm for comfortable tactile feedback\u003c\/li\u003e\n \u003cli\u003eElectrical height optimized for easier integration with precise tolerances\u003c\/li\u003e\n \u003cli\u003eAvailable with J-bend or gullwing SMT terminals\u003c\/li\u003e\n \u003cli\u003eDesigned for compatibility with lead-free reflow soldering processes\u003c\/li\u003e\n \u003cli\u003eRoHS and REACH compliant, low halogen materials\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eElectrical Characteristics:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eParameter\u003c\/th\u003e\n \u003cth\u003eSpecification\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eDielectric Strength (50 Hz, 1 min.)\u003c\/td\u003e\n \u003ctd\u003e≥ 250 Vrms\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eContact Resistance\u003c\/td\u003e\n \u003ctd\u003e≤ 100 mΩ\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eInsulation Resistance (100 V)\u003c\/td\u003e\n \u003ctd\u003e≥ 1000 MΩ\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eBounce Time\u003c\/td\u003e\n \u003ctd\u003e≤ 1 ms\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eSilver Max Power\u003c\/td\u003e\n \u003ctd\u003e1 VA\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eGold Max Power\u003c\/td\u003e\n \u003ctd\u003e0.2 VA\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMaximum Voltage\u003c\/td\u003e\n \u003ctd\u003e32 VDC\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMaximum Current\u003c\/td\u003e\n \u003ctd\u003e50 mA\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMinimum Voltage\u003c\/td\u003e\n \u003ctd\u003e20 mV\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMinimum Current\u003c\/td\u003e\n \u003ctd\u003e1 mA\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eMechanical Characteristics:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003ePart #\u003c\/th\u003e\n \u003cth\u003eOperating Force (N)\u003c\/th\u003e\n \u003cth\u003eOperating Life\u003c\/th\u003e\n \u003cth\u003eElectrical Travel (mm)\u003c\/th\u003e\n \u003cth\u003eElectrical Height from PCB (mm)\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eKSC201\u003c\/td\u003e\n \u003ctd\u003e1.6 ± 0.6\u003c\/td\u003e\n \u003ctd\u003e5,000,000\u003c\/td\u003e\n \u003ctd\u003e0.3 ± 0.2\u003c\/td\u003e\n \u003ctd\u003e3.35 ± 0.2\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eKSC241\u003c\/td\u003e\n \u003ctd\u003e3.5 ± 0.9\u003c\/td\u003e\n \u003ctd\u003e300,000\u003c\/td\u003e\n \u003ctd\u003e0.5 ± 0.2\u003c\/td\u003e\n \u003ctd\u003e3 ± 0.2\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eKSC251\u003c\/td\u003e\n \u003ctd\u003e5.55 ± 1.45\u003c\/td\u003e\n \u003ctd\u003e300,000\u003c\/td\u003e\n \u003ctd\u003e0.5 ± 0.2\u003c\/td\u003e\n \u003ctd\u003e2.95 ± 0.2\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003eFor detailed specifications and custom options, please refer to the \u003ca href=\"https:\/\/ckswitches.com\/media\/1968\/ksc2.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAdditional Information:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003ePart Number: KSC243JLFG\u003c\/li\u003e\n \u003cli\u003eManufacturer: LITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/li\u003e\n \u003cli\u003eCountry of Origin: FR (France)\u003c\/li\u003e\n \u003cli\u003eUnit of Measure: EA\u003c\/li\u003e\n \u003cli\u003eECCN: EAR99\u003c\/li\u003e\n \u003cli\u003ePackage Type: BLK\u003c\/li\u003e\n \u003cli\u003eRoHS Compliant: Yes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eNote: Specifications are subject to change without notice. For applications requiring specific safety or quality standards, please contact customer service for detailed contractual specifications.\u003c\/em\u003e\u003c\/p\u003e\u003cbr\u003e"}
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