Manufactured by LITTELFUSE / C&K COMPONENTS, this sealed tactile switch is designed for reliable operation in various electronic applications. It features a compact round button with PC pins, offering excellent performance and durability. The switch is RoHS compliant and suitable for use in automotive, industrial, and telecommunication networks.
Designed for automatic or manual insertion with cambered terminals for self-retention
Top or side actuated options available
Sealed to IP60 standard for enhanced protection against environmental factors
Sealed tactile switch with SPST, N.O. contact arrangement
Double overmolding on terminals for durability
RoHS compliant and compatible with lead-free wave soldering profiles
Electrical & Mechanical Specifications
Type
Actuation Force (N)
Operating Life (Operations)
Travel to Make (mm)
KSL0M211
1.4 ± 0.4
100,000
0.5 ± 0.2
KSL0M311
1.4 ± 0.4
1,000,000
0.5 ± 0.2
KSL0M411
3 ± 0.75
100,000
0.6 ± 0.2
KSL0M511
5.4 ± 1.6
100,000
0.7 ± 0.2
KSL0M911
3 ± 0.75
500,000
0.6 ± 0.2
Electrical Ratings
Maximum Power: 1 VA
Maximum Voltage: 32 VDC
Minimum Voltage: 20 mV
Maximum Current: 50 mA
Minimum Current: 1 mA
Dielectric Strength: 250 Vrms
Contact Resistance: ≤ 100 mΩ
Insulation Resistance (100 V): ≥ 10⁹ Ω
Bounce Time: ≤ 1 ms
Environmental & Process Conditions
Operating Temperature: -40°C to 85°C (Silver), -40°C to 125°C (Gold)
Storage Temperature: -40°C to 85°C (Silver), -55°C to 125°C (Gold)
Wave soldering compatible with lead-free soldering profiles
Packaging Options
Automatic insertion: Tubes of 65 pieces
Manual insertion: Boxes of 500 pieces (250 pieces for KSL series)
Ordering Information
Choose options for actuator type, ground terminal, insertion method, contact material, operation force, button style, and color to customize your switch. Note that not all combinations are feasible. For custom configurations or part numbers outside the listed options, please contact your sales representative.
For more detailed specifications, please refer to the datasheet.
Note: This product complies with RoHS standards. Button styles and colors are available separately and may not all be RoHS compliant. Please verify with your C&K sales representative.
**Datasheet was not processed. Please search the internet for the part number for more details.**
{"id":10027686396221,"title":"KSL0M211LFT","handle":"ksl0m211lft","description":"\u003ch3\u003eCK Part Number: KSL0M211LFT\u003c\/h3\u003e\n\u003cp\u003eManufactured by \u003cstrong\u003eLITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/strong\u003e, this sealed tactile switch is designed for reliable operation in various electronic applications. It features a compact round button with PC pins, offering excellent performance and durability. The switch is RoHS compliant and suitable for use in automotive, industrial, and telecommunication networks.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Details:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e KSL0M211LFT\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e LITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e France (FR)\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eUnit of Measure:\u003c\/strong\u003e Each (EA)\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e Black (BLK)\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-ck\/ksa_ksl.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eDesigned for automatic or manual insertion with cambered terminals for self-retention\u003c\/li\u003e\n \u003cli\u003eTop or side actuated options available\u003c\/li\u003e\n \u003cli\u003eSealed to IP60 standard for enhanced protection against environmental factors\u003c\/li\u003e\n \u003cli\u003eSealed tactile switch with SPST, N.O. contact arrangement\u003c\/li\u003e\n \u003cli\u003eDouble overmolding on terminals for durability\u003c\/li\u003e\n \u003cli\u003eRoHS compliant and compatible with lead-free wave soldering profiles\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eElectrical \u0026amp; Mechanical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eType\u003c\/th\u003e\n \u003cth\u003eActuation Force (N)\u003c\/th\u003e\n \u003cth\u003eOperating Life (Operations)\u003c\/th\u003e\n \u003cth\u003eTravel to Make (mm)\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eKSL0M211\u003c\/td\u003e\n \u003ctd\u003e1.4 ± 0.4\u003c\/td\u003e\n \u003ctd\u003e100,000\u003c\/td\u003e\n \u003ctd\u003e0.5 ± 0.2\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eKSL0M311\u003c\/td\u003e\n \u003ctd\u003e1.4 ± 0.4\u003c\/td\u003e\n \u003ctd\u003e1,000,000\u003c\/td\u003e\n \u003ctd\u003e0.5 ± 0.2\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eKSL0M411\u003c\/td\u003e\n \u003ctd\u003e3 ± 0.75\u003c\/td\u003e\n \u003ctd\u003e100,000\u003c\/td\u003e\n \u003ctd\u003e0.6 ± 0.2\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eKSL0M511\u003c\/td\u003e\n \u003ctd\u003e5.4 ± 1.6\u003c\/td\u003e\n \u003ctd\u003e100,000\u003c\/td\u003e\n \u003ctd\u003e0.7 ± 0.2\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eKSL0M911\u003c\/td\u003e\n \u003ctd\u003e3 ± 0.75\u003c\/td\u003e\n \u003ctd\u003e500,000\u003c\/td\u003e\n \u003ctd\u003e0.6 ± 0.2\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eElectrical Ratings\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eMaximum Power: 1 VA\u003c\/li\u003e\n \u003cli\u003eMaximum Voltage: 32 VDC\u003c\/li\u003e\n \u003cli\u003eMinimum Voltage: 20 mV\u003c\/li\u003e\n \u003cli\u003eMaximum Current: 50 mA\u003c\/li\u003e\n \u003cli\u003eMinimum Current: 1 mA\u003c\/li\u003e\n \u003cli\u003eDielectric Strength: 250 Vrms\u003c\/li\u003e\n \u003cli\u003eContact Resistance: ≤ 100 mΩ\u003c\/li\u003e\n \u003cli\u003eInsulation Resistance (100 V): ≥ 10⁹ Ω\u003c\/li\u003e\n \u003cli\u003eBounce Time: ≤ 1 ms\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eEnvironmental \u0026amp; Process Conditions\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: -40°C to 85°C (Silver), -55°C to 125°C (Gold)\u003c\/li\u003e\n \u003cli\u003eWave soldering compatible with lead-free soldering profiles\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackaging Options\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eAutomatic insertion: Tubes of 65 pieces\u003c\/li\u003e\n \u003cli\u003eManual insertion: Boxes of 500 pieces (250 pieces for KSL series)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cp\u003eChoose options for actuator type, ground terminal, insertion method, contact material, operation force, button style, and color to customize your switch. Note that not all combinations are feasible. For custom configurations or part numbers outside the listed options, please contact your sales representative.\u003c\/p\u003e\n\n\u003cp\u003eFor more detailed specifications, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-ck\/ksa_ksl.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eNote: This product complies with RoHS standards. Button styles and colors are available separately and may not all be RoHS compliant. Please verify with your C\u0026amp;K sales representative.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003e**Datasheet was not processed. Please search the internet for the part number for more details.**\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-16T01:56:09+05:30","created_at":"2025-08-16T01:56:09+05:30","vendor":"Waldom Electonics","type":"Switches","tags":["IMPORT_CSV","IMPORT_PT2","LITTE-CKCO","NO","Switch","Tactile","WLDM"],"price":5544,"price_min":5544,"price_max":5544,"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":50625779827005,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"KSL0M211LFT","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"KSL0M211LFT","public_title":null,"options":["Default Title"],"price":5544,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"KSL0M211LFT","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/KSL0M211LFT_11120602_d944ca7a.jpg?v=1755289573"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/KSL0M211LFT_11120602_d944ca7a.jpg?v=1755289573","options":["Title"],"media":[{"alt":null,"id":45859728687421,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/KSL0M211LFT_11120602_d944ca7a.jpg?v=1755289573"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/KSL0M211LFT_11120602_d944ca7a.jpg?v=1755289573","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eCK Part Number: KSL0M211LFT\u003c\/h3\u003e\n\u003cp\u003eManufactured by \u003cstrong\u003eLITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/strong\u003e, this sealed tactile switch is designed for reliable operation in various electronic applications. It features a compact round button with PC pins, offering excellent performance and durability. The switch is RoHS compliant and suitable for use in automotive, industrial, and telecommunication networks.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Details:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e KSL0M211LFT\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e LITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e France (FR)\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eUnit of Measure:\u003c\/strong\u003e Each (EA)\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e Black (BLK)\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-ck\/ksa_ksl.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eDesigned for automatic or manual insertion with cambered terminals for self-retention\u003c\/li\u003e\n \u003cli\u003eTop or side actuated options available\u003c\/li\u003e\n \u003cli\u003eSealed to IP60 standard for enhanced protection against environmental factors\u003c\/li\u003e\n \u003cli\u003eSealed tactile switch with SPST, N.O. contact arrangement\u003c\/li\u003e\n \u003cli\u003eDouble overmolding on terminals for durability\u003c\/li\u003e\n \u003cli\u003eRoHS compliant and compatible with lead-free wave soldering profiles\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eElectrical \u0026amp; Mechanical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eType\u003c\/th\u003e\n \u003cth\u003eActuation Force (N)\u003c\/th\u003e\n \u003cth\u003eOperating Life (Operations)\u003c\/th\u003e\n \u003cth\u003eTravel to Make (mm)\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eKSL0M211\u003c\/td\u003e\n \u003ctd\u003e1.4 ± 0.4\u003c\/td\u003e\n \u003ctd\u003e100,000\u003c\/td\u003e\n \u003ctd\u003e0.5 ± 0.2\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eKSL0M311\u003c\/td\u003e\n \u003ctd\u003e1.4 ± 0.4\u003c\/td\u003e\n \u003ctd\u003e1,000,000\u003c\/td\u003e\n \u003ctd\u003e0.5 ± 0.2\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eKSL0M411\u003c\/td\u003e\n \u003ctd\u003e3 ± 0.75\u003c\/td\u003e\n \u003ctd\u003e100,000\u003c\/td\u003e\n \u003ctd\u003e0.6 ± 0.2\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eKSL0M511\u003c\/td\u003e\n \u003ctd\u003e5.4 ± 1.6\u003c\/td\u003e\n \u003ctd\u003e100,000\u003c\/td\u003e\n \u003ctd\u003e0.7 ± 0.2\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eKSL0M911\u003c\/td\u003e\n \u003ctd\u003e3 ± 0.75\u003c\/td\u003e\n \u003ctd\u003e500,000\u003c\/td\u003e\n \u003ctd\u003e0.6 ± 0.2\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eElectrical Ratings\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eMaximum Power: 1 VA\u003c\/li\u003e\n \u003cli\u003eMaximum Voltage: 32 VDC\u003c\/li\u003e\n \u003cli\u003eMinimum Voltage: 20 mV\u003c\/li\u003e\n \u003cli\u003eMaximum Current: 50 mA\u003c\/li\u003e\n \u003cli\u003eMinimum Current: 1 mA\u003c\/li\u003e\n \u003cli\u003eDielectric Strength: 250 Vrms\u003c\/li\u003e\n \u003cli\u003eContact Resistance: ≤ 100 mΩ\u003c\/li\u003e\n \u003cli\u003eInsulation Resistance (100 V): ≥ 10⁹ Ω\u003c\/li\u003e\n \u003cli\u003eBounce Time: ≤ 1 ms\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eEnvironmental \u0026amp; Process Conditions\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: -40°C to 85°C (Silver), -55°C to 125°C (Gold)\u003c\/li\u003e\n \u003cli\u003eWave soldering compatible with lead-free soldering profiles\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackaging Options\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eAutomatic insertion: Tubes of 65 pieces\u003c\/li\u003e\n \u003cli\u003eManual insertion: Boxes of 500 pieces (250 pieces for KSL series)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cp\u003eChoose options for actuator type, ground terminal, insertion method, contact material, operation force, button style, and color to customize your switch. Note that not all combinations are feasible. For custom configurations or part numbers outside the listed options, please contact your sales representative.\u003c\/p\u003e\n\n\u003cp\u003eFor more detailed specifications, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-ck\/ksa_ksl.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eNote: This product complies with RoHS standards. Button styles and colors are available separately and may not all be RoHS compliant. Please verify with your C\u0026amp;K sales representative.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003e**Datasheet was not processed. Please search the internet for the part number for more details.**\u003c\/p\u003e\u003cbr\u003e"}
