Introducing the KSC441V2SPDLFS keypad switch from LITTELFUSE / C&K COMPONENTS, a high-quality sealed tactile switch designed for SMT applications. Manufactured in France, this switch offers reliable performance with IP67 sealing, making it suitable for demanding environments such as automotive, medical instruments, industrial electronics, network infrastructure, and elevator systems.
Key Features & Benefits
Positive tactile feeling for precise operation
Sealed to IP67 standard for enhanced durability and protection against dust and water
SPST (Single Pole Single Throw) momentary action contact configuration
Available with J or G terminal types for SMT mounting
Various heights to accommodate different design requirements
Suitable for applications requiring reliable, sealed switching solutions
Electrical Specifications
Function
Momentary action
Contact Arrangement
1 make contact = SPST, N.O.
Terminals
J bend & Gullwing type for SMT
Sealing
IP67 (except KSC5, which is IP50)
Operating Temperature
-40°C to 85°C (Silver), -40°C to 125°C (Gold)
Soldering
Suitable for lead-free reflow soldering per IEC 61760-1; soldering time ≤ 5 sec; cleaning compatible
Electrical Ratings
Max Power: 1 VA
Max Voltage: 32 VDC
Min Voltage: 20 mV
Max Current: 50 mA
Min Current: 1 mA
Contact Resistance
≤ 100 mΩ
Dielectric Strength
≥ 250 Vrms (50 Hz, 1 min.)
Insulation Resistance
≥ 10 MΩ
Bounce Time
≤ 1 ms
Mechanical & Environmental Details
Sealed to IP67 standard for most variants, ensuring protection against dust and water ingress
Operating temperature range: -40°C to 125°C depending on gold or silver contacts
Storage temperature: -55°C to 125°C
Package Type: Tape and Reel
Product Range & Variants
Model
Height (mm)
Sealing
Actuator Type
KSC1
2.5
IP67
Without actuator
KSC2
3.5
IP67
Soft actuator
KSC3
3.5
IP67
Hard actuator
Ordering & Packaging
Our build-to-order approach allows you to customize the switch to your specifications. For orders with different part numbers, please consult your local representative. Switches are packaged in tape and reel for efficient assembly.
Datasheet & Additional Information
For detailed technical specifications, download the datasheet here: KSC Series Datasheet.
Disclaimer
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":10026866671933,"title":"KSC441V2SPDLFS","handle":"ksc441v2spdlfs","description":"\u003ch3\u003eProduct Description: LITTELFUSE \/ C\u0026amp;K COMPONENTS KSC441V2SPDLFS Keypad Switch 1 Switches SPST\u003c\/h3\u003e\n\n\u003cp\u003eIntroducing the \u003cstrong\u003eKSC441V2SPDLFS\u003c\/strong\u003e keypad switch from \u003cstrong\u003eLITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/strong\u003e, a high-quality sealed tactile switch designed for SMT applications. Manufactured in France, this switch offers reliable performance with IP67 sealing, making it suitable for demanding environments such as automotive, medical instruments, industrial electronics, network infrastructure, and elevator systems.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003ePositive tactile feeling for precise operation\u003c\/li\u003e\n \u003cli\u003eSealed to IP67 standard for enhanced durability and protection against dust and water\u003c\/li\u003e\n \u003cli\u003eSPST (Single Pole Single Throw) momentary action contact configuration\u003c\/li\u003e\n \u003cli\u003eAvailable with J or G terminal types for SMT mounting\u003c\/li\u003e\n \u003cli\u003eVarious heights to accommodate different design requirements\u003c\/li\u003e\n \u003cli\u003eSuitable for applications requiring reliable, sealed switching solutions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eElectrical 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\u003eJ bend \u0026amp; Gullwing type for SMT\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eSealing\u003c\/th\u003e\n \u003ctd\u003eIP67 (except KSC5, which is IP50)\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\u003eSoldering\u003c\/th\u003e\n \u003ctd\u003eSuitable for lead-free reflow soldering per IEC 61760-1; soldering time ≤ 5 sec; cleaning compatible\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eElectrical Ratings\u003c\/th\u003e\n \u003ctd\u003e\n \u003cul\u003e\n \u003cli\u003eMax Power: 1 VA\u003c\/li\u003e\n \u003cli\u003eMax Voltage: 32 VDC\u003c\/li\u003e\n \u003cli\u003eMin Voltage: 20 mV\u003c\/li\u003e\n \u003cli\u003eMax Current: 50 mA\u003c\/li\u003e\n \u003cli\u003eMin Current: 1 mA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n \n \n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eContact Resistance\u003c\/th\u003e\n \u003ctd\u003e≤ 100 mΩ\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eDielectric Strength\u003c\/th\u003e\n \u003ctd\u003e≥ 250 Vrms (50 Hz, 1 min.)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eInsulation Resistance\u003c\/th\u003e\n \u003ctd\u003e≥ 10 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\u003c\/table\u003e\n\n\u003ch3\u003eMechanical \u0026amp; Environmental Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSealed to IP67 standard for most variants, ensuring protection against dust and water ingress\u003c\/li\u003e\n \u003cli\u003eOperating temperature range: -40°C to 125°C depending on gold or silver contacts\u003c\/li\u003e\n \u003cli\u003eStorage temperature: -55°C to 125°C\u003c\/li\u003e\n \u003cli\u003ePackage Type: Tape and Reel\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Range \u0026amp; Variants\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eModel\u003c\/th\u003e\n \u003cth\u003eHeight (mm)\u003c\/th\u003e\n \u003cth\u003eSealing\u003c\/th\u003e\n \u003cth\u003eActuator Type\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eKSC1\u003c\/td\u003e\n \u003ctd\u003e2.5\u003c\/td\u003e\n \u003ctd\u003eIP67\u003c\/td\u003e\n \u003ctd\u003eWithout actuator\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eKSC2\u003c\/td\u003e\n \u003ctd\u003e3.5\u003c\/td\u003e\n \u003ctd\u003eIP67\u003c\/td\u003e\n \u003ctd\u003eSoft actuator\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eKSC3\u003c\/td\u003e\n \u003ctd\u003e3.5\u003c\/td\u003e\n \u003ctd\u003eIP67\u003c\/td\u003e\n \u003ctd\u003eHard actuator\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c!-- Additional variants available --\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eOrdering \u0026amp; Packaging\u003c\/h3\u003e\n\u003cp\u003eOur build-to-order approach allows you to customize the switch to your specifications. For orders with different part numbers, please consult your local representative. Switches are packaged in tape and reel for efficient assembly.\u003c\/p\u003e\n\n\u003ch3\u003eDatasheet \u0026amp; Additional Information\u003c\/h3\u003e\n\u003cp\u003eFor detailed technical specifications, download the datasheet here: \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-ck\/ck-ksc441v2spdlfs.pdf\" target=\"_blank\"\u003eKSC Series Datasheet\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eDisclaimer\u003c\/h3\u003e\n\u003cp\u003eThis 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\/p\u003e\n\n\u003cp\u003ePart Number: \u003cstrong\u003eKSC441V2SPDLFS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eManufacturer: \u003cstrong\u003eLITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCountry of Origin: \u003cstrong\u003eFR\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUnit of Measure: \u003cstrong\u003eEA\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eECCN: \u003cstrong\u003eEAR99\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePackage Type: \u003cstrong\u003eTape \u0026amp; Reel\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDatasheet: \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-ck\/ck-ksc441v2spdlfs.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-15T17:11:48+05:30","created_at":"2025-08-15T17:11:50+05:30","vendor":"Waldom Electonics","type":"Switches","tags":["IMPORT_CSV","IMPORT_PT2","LITTE-CKCO","SPST","Switch","Tactile","WLDM"],"price":7345,"price_min":7345,"price_max":7345,"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":50623249187133,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"KSC441V2SPDLFS","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"KSC441V2SPDLFS","public_title":null,"options":["Default Title"],"price":7345,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"KSC441V2SPDLFS","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/KSC441V2SPDLFS_55418350_0fc6cd14.jpg?v=1755258110"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/KSC441V2SPDLFS_55418350_0fc6cd14.jpg?v=1755258110","options":["Title"],"media":[{"alt":null,"id":45853233709373,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/KSC441V2SPDLFS_55418350_0fc6cd14.jpg?v=1755258110"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/KSC441V2SPDLFS_55418350_0fc6cd14.jpg?v=1755258110","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eProduct Description: LITTELFUSE \/ C\u0026amp;K COMPONENTS KSC441V2SPDLFS Keypad Switch 1 Switches SPST\u003c\/h3\u003e\n\n\u003cp\u003eIntroducing the \u003cstrong\u003eKSC441V2SPDLFS\u003c\/strong\u003e keypad switch from \u003cstrong\u003eLITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/strong\u003e, a high-quality sealed tactile switch designed for SMT applications. Manufactured in France, this switch offers reliable performance with IP67 sealing, making it suitable for demanding environments such as automotive, medical instruments, industrial electronics, network infrastructure, and elevator systems.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003ePositive tactile feeling for precise operation\u003c\/li\u003e\n \u003cli\u003eSealed to IP67 standard for enhanced durability and protection against dust and water\u003c\/li\u003e\n \u003cli\u003eSPST (Single Pole Single Throw) momentary action contact configuration\u003c\/li\u003e\n \u003cli\u003eAvailable with J or G terminal types for SMT mounting\u003c\/li\u003e\n \u003cli\u003eVarious heights to accommodate different design requirements\u003c\/li\u003e\n \u003cli\u003eSuitable for applications requiring reliable, sealed switching solutions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eElectrical 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\u003eJ bend \u0026amp; Gullwing type for SMT\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eSealing\u003c\/th\u003e\n \u003ctd\u003eIP67 (except KSC5, which is IP50)\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\u003eSoldering\u003c\/th\u003e\n \u003ctd\u003eSuitable for lead-free reflow soldering per IEC 61760-1; soldering time ≤ 5 sec; cleaning compatible\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eElectrical Ratings\u003c\/th\u003e\n \u003ctd\u003e\n \u003cul\u003e\n \u003cli\u003eMax Power: 1 VA\u003c\/li\u003e\n \u003cli\u003eMax Voltage: 32 VDC\u003c\/li\u003e\n \u003cli\u003eMin Voltage: 20 mV\u003c\/li\u003e\n \u003cli\u003eMax Current: 50 mA\u003c\/li\u003e\n \u003cli\u003eMin Current: 1 mA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n \n \n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eContact Resistance\u003c\/th\u003e\n \u003ctd\u003e≤ 100 mΩ\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eDielectric Strength\u003c\/th\u003e\n \u003ctd\u003e≥ 250 Vrms (50 Hz, 1 min.)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eInsulation Resistance\u003c\/th\u003e\n \u003ctd\u003e≥ 10 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\u003c\/table\u003e\n\n\u003ch3\u003eMechanical \u0026amp; Environmental Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSealed to IP67 standard for most variants, ensuring protection against dust and water ingress\u003c\/li\u003e\n \u003cli\u003eOperating temperature range: -40°C to 125°C depending on gold or silver contacts\u003c\/li\u003e\n \u003cli\u003eStorage temperature: -55°C to 125°C\u003c\/li\u003e\n \u003cli\u003ePackage Type: Tape and Reel\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Range \u0026amp; Variants\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eModel\u003c\/th\u003e\n \u003cth\u003eHeight (mm)\u003c\/th\u003e\n \u003cth\u003eSealing\u003c\/th\u003e\n \u003cth\u003eActuator Type\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eKSC1\u003c\/td\u003e\n \u003ctd\u003e2.5\u003c\/td\u003e\n \u003ctd\u003eIP67\u003c\/td\u003e\n \u003ctd\u003eWithout actuator\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eKSC2\u003c\/td\u003e\n \u003ctd\u003e3.5\u003c\/td\u003e\n \u003ctd\u003eIP67\u003c\/td\u003e\n \u003ctd\u003eSoft actuator\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eKSC3\u003c\/td\u003e\n \u003ctd\u003e3.5\u003c\/td\u003e\n \u003ctd\u003eIP67\u003c\/td\u003e\n \u003ctd\u003eHard actuator\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c!-- Additional variants available --\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eOrdering \u0026amp; Packaging\u003c\/h3\u003e\n\u003cp\u003eOur build-to-order approach allows you to customize the switch to your specifications. For orders with different part numbers, please consult your local representative. Switches are packaged in tape and reel for efficient assembly.\u003c\/p\u003e\n\n\u003ch3\u003eDatasheet \u0026amp; Additional Information\u003c\/h3\u003e\n\u003cp\u003eFor detailed technical specifications, download the datasheet here: \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-ck\/ck-ksc441v2spdlfs.pdf\" target=\"_blank\"\u003eKSC Series Datasheet\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eDisclaimer\u003c\/h3\u003e\n\u003cp\u003eThis 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\/p\u003e\n\n\u003cp\u003ePart Number: \u003cstrong\u003eKSC441V2SPDLFS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eManufacturer: \u003cstrong\u003eLITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCountry of Origin: \u003cstrong\u003eFR\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUnit of Measure: \u003cstrong\u003eEA\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eECCN: \u003cstrong\u003eEAR99\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePackage Type: \u003cstrong\u003eTape \u0026amp; Reel\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDatasheet: \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-ck\/ck-ksc441v2spdlfs.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\u003c\/p\u003e\u003cbr\u003e"}
