The Switch Tactile N.O. SPST Flat Round Button PC Pin from LITTELFUSE / C&K COMPONENTS is a high-quality, soft actuated tactile switch designed for reliable performance in various electronic applications. Manufactured in France, this switch complies with RoHS standards and features sealed front end options for enhanced durability.
Key Features
Soft actuated switch with momentary action functionality
Sealed front end options: IP60 and IP67
Top and side actuated designs available
Mechanical contact arrangement with THT pins
High operating life of up to 300,000 operations depending on model
Overload resistance: 40N (one-time overload)
RoHS compliant and tin plated for environmental safety
Specifications
Function
Momentary action
Contact Arrangement
SPST, Normally Open (N.O.)
Contact Terminals
THT pins
Operation Force
3.0 ± 0.75 N (model KSF0M411LFT)
Travel
0.25 ± 0.1 mm
Operating Life
100,000 cycles (standard models), up to 300,000 cycles for specific variants
Overload Resistance
40N, 1 time
Sealing
IP60 or IP67 options available
Maximum Power
1 VA (Silver), 0.2 VA (Gold)
Maximum Voltage
32 VDC
Maximum Current
50 mA (Silver), 10 mA (Gold)
Operating Temperature
-40°C to 85°C (Silver), -40°C to 125°C (Gold)
Storage Temperature
-55°C to 85°C (Silver), -40°C to 125°C (Gold)
Dielectric Strength
> 250 Vrms (50 Hz, 1 min)
Contact Resistance
< 100 mΩ
Insulation Resistance
> 10^9 Ω at 100 V
Bounce Time
< 1 ms
Ordering & Packaging
Available in boxes of 250 pieces (V type) or 500 pieces (M type)
Options for different configurations of haptics and terminals are available upon request
This product is designed for general electronic device applications. For systems requiring enhanced reliability and safety, please consult your sales representative for proper integration. All specifications are subject to change; please verify details with the datasheet or your supplier.
Note: Datasheet was not processed. Please search the internet for the part number KSF0M411LFT for more details.
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{"id":10027686330685,"title":"KSF0M411LFT","handle":"ksf0m411lft","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eSwitch Tactile N.O. SPST Flat Round Button PC Pin\u003c\/strong\u003e from \u003cstrong\u003eLITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/strong\u003e is a high-quality, soft actuated tactile switch designed for reliable performance in various electronic applications. Manufactured in France, this switch complies with RoHS standards and features sealed front end options for enhanced durability.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSoft actuated switch with momentary action functionality\u003c\/li\u003e\n \u003cli\u003eSealed front end options: IP60 and IP67\u003c\/li\u003e\n \u003cli\u003eTop and side actuated designs available\u003c\/li\u003e\n \u003cli\u003eMechanical contact arrangement with THT pins\u003c\/li\u003e\n \u003cli\u003eHigh operating life of up to 300,000 operations depending on model\u003c\/li\u003e\n \u003cli\u003eOverload resistance: 40N (one-time overload)\u003c\/li\u003e\n \u003cli\u003eRoHS compliant and tin plated for environmental safety\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\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\u003eSPST, Normally Open (N.O.)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eContact Terminals\u003c\/th\u003e\n \u003ctd\u003eTHT pins\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eOperation Force\u003c\/th\u003e\n \u003ctd\u003e3.0 ± 0.75 N (model KSF0M411LFT)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eTravel\u003c\/th\u003e\n \u003ctd\u003e0.25 ± 0.1 mm\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eOperating Life\u003c\/th\u003e\n \u003ctd\u003e100,000 cycles (standard models), up to 300,000 cycles for specific variants\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eOverload Resistance\u003c\/th\u003e\n \u003ctd\u003e40N, 1 time\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eSealing\u003c\/th\u003e\n \u003ctd\u003eIP60 or IP67 options available\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eMaximum Power\u003c\/th\u003e\n \u003ctd\u003e1 VA (Silver), 0.2 VA (Gold)\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 (Silver), 10 mA (Gold)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eOperating Temperature\u003c\/th\u003e\n \u003ctd\u003e-40°C to 85°C (Silver), -40°C to 125°C (Gold)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eStorage Temperature\u003c\/th\u003e\n \u003ctd\u003e-55°C to 85°C (Silver), -40°C to 125°C (Gold)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eDielectric Strength\u003c\/th\u003e\n \u003ctd\u003e\u0026gt; 250 Vrms (50 Hz, 1 min)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eContact Resistance\u003c\/th\u003e\n \u003ctd\u003e\u0026lt; 100 mΩ\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eInsulation Resistance\u003c\/th\u003e\n \u003ctd\u003e\u0026gt; 10^9 Ω at 100 V\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eBounce Time\u003c\/th\u003e\n \u003ctd\u003e\u0026lt; 1 ms\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eOrdering \u0026amp; Packaging\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eAvailable in boxes of 250 pieces (V type) or 500 pieces (M type)\u003c\/li\u003e\n \u003cli\u003eOptions for different configurations of haptics and terminals are available upon request\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePart Number \u0026amp; Manufacturer Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003ePart Number: KSF0M411LFT\u003c\/li\u003e\n \u003cli\u003eManufacturer: LITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/li\u003e\n \u003cli\u003eCountry of Origin: France (COO: FR)\u003c\/li\u003e\n \u003cli\u003eUOM: Each (EA)\u003c\/li\u003e\n \u003cli\u003eECCN: EAR99\u003c\/li\u003e\n \u003cli\u003ePackage Type: Not specified\u003c\/li\u003e\n \u003cli\u003eDatasheet: \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-ck\/ksf.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cp\u003eThis product is designed for general electronic device applications. For systems requiring enhanced reliability and safety, please consult your sales representative for proper integration. All specifications are subject to change; please verify details with the datasheet or your supplier.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Datasheet was not processed. Please search the internet for the part number KSF0M411LFT for more details.\u003c\/em\u003e\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-16T01:56:03+05:30","created_at":"2025-08-16T01:56:03+05:30","vendor":"Waldom Electonics","type":"Switches","tags":["IMPORT_CSV","IMPORT_PT2","Keypad","LITTE-CKCO","SPST","Switch","WLDM"],"price":3576,"price_min":3576,"price_max":3576,"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":50625779695933,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"KSF0M411LFT","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"KSF0M411LFT","public_title":null,"options":["Default Title"],"price":3576,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"KSF0M411LFT","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/11120472.jpg?v=1755289566"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/11120472.jpg?v=1755289566","options":["Title"],"media":[{"alt":null,"id":45859727081789,"position":1,"preview_image":{"aspect_ratio":1.0,"height":640,"width":640,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/11120472.jpg?v=1755289566"},"aspect_ratio":1.0,"height":640,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/11120472.jpg?v=1755289566","width":640}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eSwitch Tactile N.O. SPST Flat Round Button PC Pin\u003c\/strong\u003e from \u003cstrong\u003eLITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/strong\u003e is a high-quality, soft actuated tactile switch designed for reliable performance in various electronic applications. Manufactured in France, this switch complies with RoHS standards and features sealed front end options for enhanced durability.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSoft actuated switch with momentary action functionality\u003c\/li\u003e\n \u003cli\u003eSealed front end options: IP60 and IP67\u003c\/li\u003e\n \u003cli\u003eTop and side actuated designs available\u003c\/li\u003e\n \u003cli\u003eMechanical contact arrangement with THT pins\u003c\/li\u003e\n \u003cli\u003eHigh operating life of up to 300,000 operations depending on model\u003c\/li\u003e\n \u003cli\u003eOverload resistance: 40N (one-time overload)\u003c\/li\u003e\n \u003cli\u003eRoHS compliant and tin plated for environmental safety\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\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\u003eSPST, Normally Open (N.O.)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eContact Terminals\u003c\/th\u003e\n \u003ctd\u003eTHT pins\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eOperation Force\u003c\/th\u003e\n \u003ctd\u003e3.0 ± 0.75 N (model KSF0M411LFT)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eTravel\u003c\/th\u003e\n \u003ctd\u003e0.25 ± 0.1 mm\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eOperating Life\u003c\/th\u003e\n \u003ctd\u003e100,000 cycles (standard models), up to 300,000 cycles for specific variants\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eOverload Resistance\u003c\/th\u003e\n \u003ctd\u003e40N, 1 time\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eSealing\u003c\/th\u003e\n \u003ctd\u003eIP60 or IP67 options available\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eMaximum Power\u003c\/th\u003e\n \u003ctd\u003e1 VA (Silver), 0.2 VA (Gold)\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 (Silver), 10 mA (Gold)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eOperating Temperature\u003c\/th\u003e\n \u003ctd\u003e-40°C to 85°C (Silver), -40°C to 125°C (Gold)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eStorage Temperature\u003c\/th\u003e\n \u003ctd\u003e-55°C to 85°C (Silver), -40°C to 125°C (Gold)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eDielectric Strength\u003c\/th\u003e\n \u003ctd\u003e\u0026gt; 250 Vrms (50 Hz, 1 min)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eContact Resistance\u003c\/th\u003e\n \u003ctd\u003e\u0026lt; 100 mΩ\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eInsulation Resistance\u003c\/th\u003e\n \u003ctd\u003e\u0026gt; 10^9 Ω at 100 V\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eBounce Time\u003c\/th\u003e\n \u003ctd\u003e\u0026lt; 1 ms\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eOrdering \u0026amp; Packaging\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eAvailable in boxes of 250 pieces (V type) or 500 pieces (M type)\u003c\/li\u003e\n \u003cli\u003eOptions for different configurations of haptics and terminals are available upon request\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePart Number \u0026amp; Manufacturer Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003ePart Number: KSF0M411LFT\u003c\/li\u003e\n \u003cli\u003eManufacturer: LITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/li\u003e\n \u003cli\u003eCountry of Origin: France (COO: FR)\u003c\/li\u003e\n \u003cli\u003eUOM: Each (EA)\u003c\/li\u003e\n \u003cli\u003eECCN: EAR99\u003c\/li\u003e\n \u003cli\u003ePackage Type: Not specified\u003c\/li\u003e\n \u003cli\u003eDatasheet: \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-ck\/ksf.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cp\u003eThis product is designed for general electronic device applications. For systems requiring enhanced reliability and safety, please consult your sales representative for proper integration. All specifications are subject to change; please verify details with the datasheet or your supplier.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Datasheet was not processed. Please search the internet for the part number KSF0M411LFT for more details.\u003c\/em\u003e\u003c\/p\u003e\u003cbr\u003e"}
