The KSC221GLFS is a sealed tactile switch manufactured by LITTELFUSE / C&K COMPONENTS, designed for reliable performance in various electronic applications. This IP67-rated switch features a soft actuator with a height of 3.5mm, providing a positive tactile feel suitable for consumer-facing and industrial electronics.
Key Features & Benefits
Sealed IP67 rating for durability and protection against dust and water ingress
Soft actuator with a 3.5mm height for easy integration
Electrical height from PCB optimized for precise placement
Compatible with lead-free reflow soldering processes
RoHS and REACH compliant, low halogen materials
Electrical & Mechanical Specifications
Function
Momentary action
Contact Arrangement
1 make contact = SPST, N.O.
Terminals
Gullwing type for SMT
Sealing
IP67
Dielectric Strength (50 Hz, 1 min.)
≥ 250 Vrms
Contact Resistance
≤ 100mΩ
Insulation Resistance (100 V)
≥ 1000 MΩ
Bounce Time
≤ 1 ms
Maximum Voltage
32 VDC
Maximum Current
50 mA
Minimum Voltage
20 mV
Minimum Current
1 mA
Mechanical & Dimensional Details
Electrical Travel
3.5 mm
Electrical Height from PCB
3.25 ± 0.2 mm
Packaging & Storage
Package Type: Reel
Storage Temperature: -55°C to 85°C
Additional Information
Part Number: KSC221GLFS
Manufacturer: LITTELFUSE / C&K COMPONENTS
COO: FR (France)
UOM: EA
ECCN: EAR99
Product Type: Switches
Product Category: Switches | Tactile Switches
Datasheet: KSC2 Series Datasheet
For more detailed specifications and custom options, please refer to the datasheet or contact customer service. The datasheet was not processed; please search the internet for the part number for more details.
Liability Limitation: 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.
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{"id":10028015255869,"title":"KSC221GLFS","handle":"ksc221glfs","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe KSC221GLFS is a sealed tactile switch manufactured by \u003cstrong\u003eLITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/strong\u003e, designed for reliable performance in various electronic applications. This IP67-rated switch features a soft actuator with a height of 3.5mm, providing a positive tactile feel suitable for consumer-facing and industrial electronics.\u003c\/p\u003e\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSealed IP67 rating for durability and protection against dust and water ingress\u003c\/li\u003e\n \u003cli\u003eSoft actuator with a 3.5mm height for easy integration\u003c\/li\u003e\n \u003cli\u003eElectrical height from PCB optimized for precise placement\u003c\/li\u003e\n \u003cli\u003eCompatible 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\u003ch3\u003eElectrical \u0026amp; Mechanical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eFunction\u003c\/th\u003e\n \u003ctd\u003eMomentary action\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eContact Arrangement\u003c\/th\u003e\n \u003ctd\u003e1 make contact = SPST, N.O.\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eTerminals\u003c\/th\u003e\n \u003ctd\u003eGullwing type for SMT\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eSealing\u003c\/th\u003e\n \u003ctd\u003eIP67\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eDielectric Strength (50 Hz, 1 min.)\u003c\/th\u003e\n \u003ctd\u003e≥ 250 Vrms\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eContact Resistance\u003c\/th\u003e\n \u003ctd\u003e≤ 100mΩ\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eInsulation Resistance (100 V)\u003c\/th\u003e\n \u003ctd\u003e≥ 1000 MΩ\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eBounce Time\u003c\/th\u003e\n \u003ctd\u003e≤ 1 ms\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eMaximum Voltage\u003c\/th\u003e\n \u003ctd\u003e32 VDC\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eMaximum Current\u003c\/th\u003e\n \u003ctd\u003e50 mA\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eMinimum Voltage\u003c\/th\u003e\n \u003ctd\u003e20 mV\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eMinimum Current\u003c\/th\u003e\n \u003ctd\u003e1 mA\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eMechanical \u0026amp; Dimensional Details\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eElectrical Travel\u003c\/th\u003e\n \u003ctd\u003e3.5 mm\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eElectrical Height from PCB\u003c\/th\u003e\n \u003ctd\u003e3.25 ± 0.2 mm\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003ePackaging \u0026amp; Storage\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003ePackage Type: Reel\u003c\/li\u003e\n \u003cli\u003eStorage Temperature: -55°C to 85°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cp\u003ePart Number: KSC221GLFS\u003cbr\u003e\nManufacturer: \u003cstrong\u003eLITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/strong\u003e\u003cbr\u003e\nCOO: FR (France)\u003cbr\u003e\nUOM: EA\u003cbr\u003e\nECCN: EAR99\u003cbr\u003e\nProduct Type: Switches\u003cbr\u003e\nProduct Category: Switches | Tactile Switches\u003cbr\u003e\nDatasheet: \u003ca href=\"https:\/\/ckswitches.com\/media\/1968\/ksc2.pdf\" target=\"_blank\"\u003eKSC2 Series Datasheet\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eFor more detailed specifications and custom options, please refer to the datasheet or contact customer service. The datasheet was not processed; please search the internet for the part number for more details.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eLiability Limitation: 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.\u003c\/em\u003e\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-16T05:58:15+05:30","created_at":"2025-08-16T05:58:15+05:30","vendor":"Waldom Electonics","type":"Switches","tags":["1A","32VDC","5mm","IMPORT_CSV","IMPORT_PT2","IP67","LITTE-CKCO","Switch","Tactile","WLDM"],"price":2869,"price_min":2869,"price_max":2869,"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":50626454651197,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"KSC221GLFS","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"KSC221GLFS","public_title":null,"options":["Default Title"],"price":2869,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"KSC221GLFS","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/11120258.png?v=1755304097"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/11120258.png?v=1755304097","options":["Title"],"media":[{"alt":null,"id":45863154155837,"position":1,"preview_image":{"aspect_ratio":1.0,"height":400,"width":400,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/11120258.png?v=1755304097"},"aspect_ratio":1.0,"height":400,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/11120258.png?v=1755304097","width":400}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe KSC221GLFS is a sealed tactile switch manufactured by \u003cstrong\u003eLITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/strong\u003e, designed for reliable performance in various electronic applications. This IP67-rated switch features a soft actuator with a height of 3.5mm, providing a positive tactile feel suitable for consumer-facing and industrial electronics.\u003c\/p\u003e\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSealed IP67 rating for durability and protection against dust and water ingress\u003c\/li\u003e\n \u003cli\u003eSoft actuator with a 3.5mm height for easy integration\u003c\/li\u003e\n \u003cli\u003eElectrical height from PCB optimized for precise placement\u003c\/li\u003e\n \u003cli\u003eCompatible 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\u003ch3\u003eElectrical \u0026amp; Mechanical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eFunction\u003c\/th\u003e\n \u003ctd\u003eMomentary action\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eContact Arrangement\u003c\/th\u003e\n \u003ctd\u003e1 make contact = SPST, N.O.\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eTerminals\u003c\/th\u003e\n \u003ctd\u003eGullwing type for SMT\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eSealing\u003c\/th\u003e\n \u003ctd\u003eIP67\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eDielectric Strength (50 Hz, 1 min.)\u003c\/th\u003e\n \u003ctd\u003e≥ 250 Vrms\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eContact Resistance\u003c\/th\u003e\n \u003ctd\u003e≤ 100mΩ\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eInsulation Resistance (100 V)\u003c\/th\u003e\n \u003ctd\u003e≥ 1000 MΩ\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eBounce Time\u003c\/th\u003e\n \u003ctd\u003e≤ 1 ms\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eMaximum Voltage\u003c\/th\u003e\n \u003ctd\u003e32 VDC\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eMaximum Current\u003c\/th\u003e\n \u003ctd\u003e50 mA\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eMinimum Voltage\u003c\/th\u003e\n \u003ctd\u003e20 mV\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eMinimum Current\u003c\/th\u003e\n \u003ctd\u003e1 mA\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eMechanical \u0026amp; Dimensional Details\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eElectrical Travel\u003c\/th\u003e\n \u003ctd\u003e3.5 mm\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eElectrical Height from PCB\u003c\/th\u003e\n \u003ctd\u003e3.25 ± 0.2 mm\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003ePackaging \u0026amp; Storage\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003ePackage Type: Reel\u003c\/li\u003e\n \u003cli\u003eStorage Temperature: -55°C to 85°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cp\u003ePart Number: KSC221GLFS\u003cbr\u003e\nManufacturer: \u003cstrong\u003eLITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/strong\u003e\u003cbr\u003e\nCOO: FR (France)\u003cbr\u003e\nUOM: EA\u003cbr\u003e\nECCN: EAR99\u003cbr\u003e\nProduct Type: Switches\u003cbr\u003e\nProduct Category: Switches | Tactile Switches\u003cbr\u003e\nDatasheet: \u003ca href=\"https:\/\/ckswitches.com\/media\/1968\/ksc2.pdf\" target=\"_blank\"\u003eKSC2 Series Datasheet\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eFor more detailed specifications and custom options, please refer to the datasheet or contact customer service. The datasheet was not processed; please search the internet for the part number for more details.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eLiability Limitation: 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.\u003c\/em\u003e\u003c\/p\u003e\u003cbr\u003e"}
