Y78B43120FP Tactile Switch by LITTELFUSE / C&K COMPONENTS
Introducing the Y78B43120FP tactile switch, manufactured by LITTELFUSE / C&K COMPONENTS and made in France. This high-quality, SMT top actuated switch is designed for demanding industrial, medical, and automotive applications, offering exceptional durability and tactile feedback.
Product Features
Small footprint for space-constrained designs
Available with 4 actuation forces to suit various application needs
Excellent tactile feel for user interface responsiveness
Ultra-low current capabilities for power-sensitive applications
IP40 ingress protection rating for environmental resilience
Electrical Characteristics
Maximum Power
1 VA (Silver)
Maximum Voltage
32 VDC
Maximum Current
50 mA (Silver)
Contact Resistance
≤ 100 mΩ
Dielectric Strength
≥ 250 Vrms
Insulation Resistance
≥ 1 GΩ
Mechanical and Environmental Specifications
Operation Force
1.2 N (120 grams) to 4 N (400 grams) depending on model
Operating Life
Up to 300,000 cycles
Travel
0.20 mm to 0.30 mm
Operating Temperature
-40°C to 85°C (standard), -40°C to 125°C (high temp models)
Storage Temperature
-55°C to 85°C (standard), -55°C to 125°C (high temp models)
For more detailed specifications and custom options, please refer to the datasheet linked above. This product is suitable for applications requiring reliable tactile feedback and low current operation.
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":10027968037181,"title":"Y78B43120FP","handle":"y78b43120fp","description":"\u003ch3\u003eY78B43120FP Tactile Switch by LITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/h3\u003e\n\n\u003cp\u003eIntroducing the Y78B43120FP tactile switch, manufactured by \u003cstrong\u003eLITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/strong\u003e and made in France. This high-quality, SMT top actuated switch is designed for demanding industrial, medical, and automotive applications, offering exceptional durability and tactile feedback.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSmall footprint for space-constrained designs\u003c\/li\u003e\n \u003cli\u003eAvailable with 4 actuation forces to suit various application needs\u003c\/li\u003e\n \u003cli\u003eExcellent tactile feel for user interface responsiveness\u003c\/li\u003e\n \u003cli\u003eUltra-low current capabilities for power-sensitive applications\u003c\/li\u003e\n \u003cli\u003eIP40 ingress protection rating for environmental resilience\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eElectrical Characteristics\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eMaximum Power\u003c\/th\u003e\n \u003ctd\u003e1 VA (Silver)\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)\u003c\/td\u003e\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\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eInsulation Resistance\u003c\/th\u003e\n \u003ctd\u003e≥ 1 GΩ\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eMechanical and Environmental Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eOperation Force\u003c\/th\u003e\n \u003ctd\u003e1.2 N (120 grams) to 4 N (400 grams) depending on model\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eOperating Life\u003c\/th\u003e\n \u003ctd\u003eUp to 300,000 cycles\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eTravel\u003c\/th\u003e\n \u003ctd\u003e0.20 mm to 0.30 mm\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 (standard), -40°C to 125°C (high temp models)\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 (standard), -55°C to 125°C (high temp models)\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage and Additional Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003ePackage Type: Reel\u003c\/li\u003e\n \u003cli\u003eUOM: Each (EA)\u003c\/li\u003e\n \u003cli\u003eECCN: EAR99\u003c\/li\u003e\n \u003cli\u003eRoHS Compliant: Yes\u003c\/li\u003e\n \u003cli\u003ePart Number: Y78B43120FP\u003c\/li\u003e\n \u003cli\u003eManufacturer: \u003cstrong\u003eLITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/strong\u003e\n\u003c\/li\u003e\n \u003cli\u003eCountry of Origin: France (FR)\u003c\/li\u003e\n \u003cli\u003eDatasheet: \u003ca href=\"https:\/\/ckswitches.com\/media\/1480\/kmr4.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor more detailed specifications and custom options, please refer to the datasheet linked above. This product is suitable for applications requiring reliable tactile feedback and low current operation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDisclaimer:\u003c\/strong\u003e 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\/p\u003e\u003cbr\u003e","published_at":"2025-08-16T05:20:32+05:30","created_at":"2025-08-16T05:20:32+05:30","vendor":"Waldom Electonics","type":"","tags":["IMPORT_CSV","IMPORT_PT2","LITTE-CKCO","WLDM"],"price":3451,"price_min":3451,"price_max":3451,"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":50626367619389,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"Y78B43120FP","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Y78B43120FP","public_title":null,"options":["Default Title"],"price":3451,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"Y78B43120FP","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/11132747.png?v=1755301834"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/11132747.png?v=1755301834","options":["Title"],"media":[{"alt":null,"id":45862576718141,"position":1,"preview_image":{"aspect_ratio":1.0,"height":400,"width":400,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/11132747.png?v=1755301834"},"aspect_ratio":1.0,"height":400,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/11132747.png?v=1755301834","width":400}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eY78B43120FP Tactile Switch by LITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/h3\u003e\n\n\u003cp\u003eIntroducing the Y78B43120FP tactile switch, manufactured by \u003cstrong\u003eLITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/strong\u003e and made in France. This high-quality, SMT top actuated switch is designed for demanding industrial, medical, and automotive applications, offering exceptional durability and tactile feedback.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSmall footprint for space-constrained designs\u003c\/li\u003e\n \u003cli\u003eAvailable with 4 actuation forces to suit various application needs\u003c\/li\u003e\n \u003cli\u003eExcellent tactile feel for user interface responsiveness\u003c\/li\u003e\n \u003cli\u003eUltra-low current capabilities for power-sensitive applications\u003c\/li\u003e\n \u003cli\u003eIP40 ingress protection rating for environmental resilience\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eElectrical Characteristics\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eMaximum Power\u003c\/th\u003e\n \u003ctd\u003e1 VA (Silver)\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)\u003c\/td\u003e\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\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eInsulation Resistance\u003c\/th\u003e\n \u003ctd\u003e≥ 1 GΩ\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eMechanical and Environmental Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eOperation Force\u003c\/th\u003e\n \u003ctd\u003e1.2 N (120 grams) to 4 N (400 grams) depending on model\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eOperating Life\u003c\/th\u003e\n \u003ctd\u003eUp to 300,000 cycles\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eTravel\u003c\/th\u003e\n \u003ctd\u003e0.20 mm to 0.30 mm\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 (standard), -40°C to 125°C (high temp models)\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 (standard), -55°C to 125°C (high temp models)\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage and Additional Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003ePackage Type: Reel\u003c\/li\u003e\n \u003cli\u003eUOM: Each (EA)\u003c\/li\u003e\n \u003cli\u003eECCN: EAR99\u003c\/li\u003e\n \u003cli\u003eRoHS Compliant: Yes\u003c\/li\u003e\n \u003cli\u003ePart Number: Y78B43120FP\u003c\/li\u003e\n \u003cli\u003eManufacturer: \u003cstrong\u003eLITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/strong\u003e\n\u003c\/li\u003e\n \u003cli\u003eCountry of Origin: France (FR)\u003c\/li\u003e\n \u003cli\u003eDatasheet: \u003ca href=\"https:\/\/ckswitches.com\/media\/1480\/kmr4.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor more detailed specifications and custom options, please refer to the datasheet linked above. This product is suitable for applications requiring reliable tactile feedback and low current operation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDisclaimer:\u003c\/strong\u003e 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\/p\u003e\u003cbr\u003e"}