Introducing the high-quality Tactile Switches SPST-NO Off-MomSMT series manufactured by LITTELFUSE / C&K COMPONENTS. Designed for reliable performance in industrial, medical, and automotive applications, these switches feature a compact subminiature form factor suitable for surface-mount technology (SMT).
Product Features
Single Pole Single Throw (SPST) - Normally Open (N.O.) configuration
Detect type available for emergency stop functionality
Rubber actuator for durability and tactile feedback
RoHS compliant and compatible with environmental standards
IP50 sealed for protection against dust and minor contaminants
G terminations for reliable electrical connections
Suitable for industrial electronics, smart meters, transportation, and medical equipment
Electrical & Mechanical Specifications
Part Number
Operating Force (N)
Operating Life (operations)
Travel (mm)
KSR211G LFS / KSR213G LFG
1.5 to 1.85 (185) to 2.2
100,000
0.25 ± 0.15
KSR221G LFS / KSR223G LFG
1.9 to 2.25 (225) to 2.6
100,000
0.3 ± 0.15
KSR231G LFS / KSR233G LFG
2.25 to 3.00 (300) to 3.75
100,000
0.35 ± 0.15
KSR251G LFS / KSR253G LFG
3.4 to 4.50 (450) to 5.6
100,000
0.5 ± 0.15
Environmental & Dimensional Details
Operating Temperature: -40°C to 85°C (Silver), -40°C to 125°C (Gold)
Storage Temperature: -55°C to 85°C (Silver), -55°C to 125°C (Gold)
Dimensions (mm)
7.3
6
Width
Various detailed dimensions available in datasheet
PCB Layout & Packaging
Recommended PCB layout and tape & reel packaging details are provided in the datasheet for optimal assembly and handling.
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{"id":10027687936317,"title":"KSR233GLFG","handle":"ksr233glfg","description":"\u003ch3\u003eShopify Electronic Product: Tactile Switches SPST-NO Off-MomSMT\u003c\/h3\u003e\n\n\u003cp\u003eIntroducing the high-quality Tactile Switches SPST-NO Off-MomSMT series manufactured by \u003cstrong\u003eLITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/strong\u003e. Designed for reliable performance in industrial, medical, and automotive applications, these switches feature a compact subminiature form factor suitable for surface-mount technology (SMT).\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSingle Pole Single Throw (SPST) - Normally Open (N.O.) configuration\u003c\/li\u003e\n \u003cli\u003eDetect type available for emergency stop functionality\u003c\/li\u003e\n \u003cli\u003eRubber actuator for durability and tactile feedback\u003c\/li\u003e\n \u003cli\u003eRoHS compliant and compatible with environmental standards\u003c\/li\u003e\n \u003cli\u003eIP50 sealed for protection against dust and minor contaminants\u003c\/li\u003e\n \u003cli\u003eG terminations for reliable electrical connections\u003c\/li\u003e\n \u003cli\u003eSuitable for industrial electronics, smart meters, transportation, and medical equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eElectrical \u0026amp; Mechanical Specifications\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\u003eKSR211G LFS \/ KSR213G LFG\u003c\/td\u003e\n \u003ctd\u003e1.5 to 1.85 (185) to 2.2\u003c\/td\u003e\n \u003ctd\u003e100,000\u003c\/td\u003e\n \u003ctd\u003e0.25 ± 0.15\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eKSR221G LFS \/ KSR223G LFG\u003c\/td\u003e\n \u003ctd\u003e1.9 to 2.25 (225) to 2.6\u003c\/td\u003e\n \u003ctd\u003e100,000\u003c\/td\u003e\n \u003ctd\u003e0.3 ± 0.15\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eKSR231G LFS \/ KSR233G LFG\u003c\/td\u003e\n \u003ctd\u003e2.25 to 3.00 (300) to 3.75\u003c\/td\u003e\n \u003ctd\u003e100,000\u003c\/td\u003e\n \u003ctd\u003e0.35 ± 0.15\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eKSR251G LFS \/ KSR253G LFG\u003c\/td\u003e\n \u003ctd\u003e3.4 to 4.50 (450) to 5.6\u003c\/td\u003e\n \u003ctd\u003e100,000\u003c\/td\u003e\n \u003ctd\u003e0.5 ± 0.15\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eEnvironmental \u0026amp; Dimensional Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eOperating Temperature: -40°C to 85°C (Silver), -40°C to 125°C (Gold)\u003c\/li\u003e\n \u003cli\u003eStorage Temperature: -55°C to 85°C (Silver), -55°C to 125°C (Gold)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eDimensions (mm)\u003c\/th\u003e\n \u003cth\u003e7.3\u003c\/th\u003e\n \u003cth\u003e6\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eWidth\u003c\/td\u003e\n \u003ctd colspan=\"2\"\u003eVarious detailed dimensions available in datasheet\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePCB Layout \u0026amp; Packaging\u003c\/h3\u003e\n\u003cp\u003eRecommended PCB layout and tape \u0026amp; reel packaging details are provided in the datasheet for optimal assembly and handling.\u003c\/p\u003e\n\n\u003ch3\u003ePart Number \u0026amp; Ordering\u003c\/h3\u003e\n\u003cp\u003ePart Number: \u003cstrong\u003eKSR233GLFG\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eManufacturer: \u003ca href=\"https:\/\/ckswitches.com\/media\/1466\/ksr.pdf\" target=\"_blank\"\u003eDatasheet\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eCOO: France (FR)\u003c\/p\u003e\n\u003cp\u003eUOM: Each (EA)\u003c\/p\u003e\n\u003cp\u003eECCN: EAR99\u003c\/p\u003e\n\u003cp\u003ePackage Type: Surface Mount (SMT)\u003c\/p\u003e\n\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cp\u003eThis product complies with RoHS standards. For detailed specifications and custom options, please refer to the \u003ca href=\"https:\/\/ckswitches.com\/media\/1466\/ksr.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eDisclaimer: Specifications are subject to change without notice. Please consult the datasheet for the most current information.\u003c\/em\u003e\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-16T01:57:35+05:30","created_at":"2025-08-16T01:57:35+05:30","vendor":"Waldom Electonics","type":"Switches","tags":["IMPORT_CSV","IMPORT_PT2","LITTE-CKCO","SPST","Switch","Tactile","WLDM"],"price":8870,"price_min":8870,"price_max":8870,"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":50625781989693,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"KSR233GLFG","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"KSR233GLFG","public_title":null,"options":["Default Title"],"price":8870,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"KSR233GLFG","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/11120710.png?v=1755289657"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/11120710.png?v=1755289657","options":["Title"],"media":[{"alt":null,"id":45859750347069,"position":1,"preview_image":{"aspect_ratio":1.0,"height":400,"width":400,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/11120710.png?v=1755289657"},"aspect_ratio":1.0,"height":400,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/11120710.png?v=1755289657","width":400}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eShopify Electronic Product: Tactile Switches SPST-NO Off-MomSMT\u003c\/h3\u003e\n\n\u003cp\u003eIntroducing the high-quality Tactile Switches SPST-NO Off-MomSMT series manufactured by \u003cstrong\u003eLITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/strong\u003e. Designed for reliable performance in industrial, medical, and automotive applications, these switches feature a compact subminiature form factor suitable for surface-mount technology (SMT).\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSingle Pole Single Throw (SPST) - Normally Open (N.O.) configuration\u003c\/li\u003e\n \u003cli\u003eDetect type available for emergency stop functionality\u003c\/li\u003e\n \u003cli\u003eRubber actuator for durability and tactile feedback\u003c\/li\u003e\n \u003cli\u003eRoHS compliant and compatible with environmental standards\u003c\/li\u003e\n \u003cli\u003eIP50 sealed for protection against dust and minor contaminants\u003c\/li\u003e\n \u003cli\u003eG terminations for reliable electrical connections\u003c\/li\u003e\n \u003cli\u003eSuitable for industrial electronics, smart meters, transportation, and medical equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eElectrical \u0026amp; Mechanical Specifications\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\u003eKSR211G LFS \/ KSR213G LFG\u003c\/td\u003e\n \u003ctd\u003e1.5 to 1.85 (185) to 2.2\u003c\/td\u003e\n \u003ctd\u003e100,000\u003c\/td\u003e\n \u003ctd\u003e0.25 ± 0.15\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eKSR221G LFS \/ KSR223G LFG\u003c\/td\u003e\n \u003ctd\u003e1.9 to 2.25 (225) to 2.6\u003c\/td\u003e\n \u003ctd\u003e100,000\u003c\/td\u003e\n \u003ctd\u003e0.3 ± 0.15\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eKSR231G LFS \/ KSR233G LFG\u003c\/td\u003e\n \u003ctd\u003e2.25 to 3.00 (300) to 3.75\u003c\/td\u003e\n \u003ctd\u003e100,000\u003c\/td\u003e\n \u003ctd\u003e0.35 ± 0.15\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eKSR251G LFS \/ KSR253G LFG\u003c\/td\u003e\n \u003ctd\u003e3.4 to 4.50 (450) to 5.6\u003c\/td\u003e\n \u003ctd\u003e100,000\u003c\/td\u003e\n \u003ctd\u003e0.5 ± 0.15\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eEnvironmental \u0026amp; Dimensional Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eOperating Temperature: -40°C to 85°C (Silver), -40°C to 125°C (Gold)\u003c\/li\u003e\n \u003cli\u003eStorage Temperature: -55°C to 85°C (Silver), -55°C to 125°C (Gold)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eDimensions (mm)\u003c\/th\u003e\n \u003cth\u003e7.3\u003c\/th\u003e\n \u003cth\u003e6\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eWidth\u003c\/td\u003e\n \u003ctd colspan=\"2\"\u003eVarious detailed dimensions available in datasheet\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePCB Layout \u0026amp; Packaging\u003c\/h3\u003e\n\u003cp\u003eRecommended PCB layout and tape \u0026amp; reel packaging details are provided in the datasheet for optimal assembly and handling.\u003c\/p\u003e\n\n\u003ch3\u003ePart Number \u0026amp; Ordering\u003c\/h3\u003e\n\u003cp\u003ePart Number: \u003cstrong\u003eKSR233GLFG\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eManufacturer: \u003ca href=\"https:\/\/ckswitches.com\/media\/1466\/ksr.pdf\" target=\"_blank\"\u003eDatasheet\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eCOO: France (FR)\u003c\/p\u003e\n\u003cp\u003eUOM: Each (EA)\u003c\/p\u003e\n\u003cp\u003eECCN: EAR99\u003c\/p\u003e\n\u003cp\u003ePackage Type: Surface Mount (SMT)\u003c\/p\u003e\n\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cp\u003eThis product complies with RoHS standards. For detailed specifications and custom options, please refer to the \u003ca href=\"https:\/\/ckswitches.com\/media\/1466\/ksr.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eDisclaimer: Specifications are subject to change without notice. Please consult the datasheet for the most current information.\u003c\/em\u003e\u003c\/p\u003e\u003cbr\u003e"}
