Introducing the Y78B43114FP tactile switch from LITTELFUSE / C&K COMPONENTS, a high-quality, miniature surface-mount device designed for demanding industrial, medical, and automotive applications. Manufactured in France, this switch offers reliable performance with excellent tactile feedback and ultra-low current capabilities.
Product Features
Small footprint ideal for space-constrained designs
Available with 4 actuation forces for versatile applications
Excellent tactile feel for user interface responsiveness
Ultra-low current capabilities suitable for sensitive electronics
IP40 rated for protection against dust and limited ingress
Electrical Characteristics
Maximum Power
1 VA (Silver contact)
Maximum Voltage
32 VDC
Minimum Voltage
20 mVDC
Maximum Current
50 mA (Silver contact)
Minimum Current
1 mA¹
Dielectric Strength
≥ 250 Vrms
Contact Resistance
≤ 100 mΩ
Insulation Resistance
≥ 1 GΩ
Bounce Time
≤ 3 ms
Environmental Characteristics
Operating Temperature
-40˚C to 85˚C (Silver contact), -40˚C to 125˚C (Gold contact)
Storage Temperature
-55˚C to 85˚C (Silver contact), -55˚C to 125˚C (Gold contact)
Mechanical Characteristics
Operation Force
1.2 N (120 g), 2.0 N (200 g), 3.0 N (300 g), 4.0 N (400 g)
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{"id":10027967938877,"title":"Y78B43114FP","handle":"y78b43114fp","description":"\u003ch3\u003eY78B43114FP Tactile Switches Tact\u003c\/h3\u003e\n\u003cp\u003eIntroducing the Y78B43114FP tactile switch from \u003cstrong\u003eLITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/strong\u003e, a high-quality, miniature surface-mount device designed for demanding industrial, medical, and automotive applications. Manufactured in France, this switch offers reliable performance with excellent tactile feedback and ultra-low current capabilities.\u003c\/p\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSmall footprint ideal for space-constrained designs\u003c\/li\u003e\n \u003cli\u003eAvailable with 4 actuation forces for versatile applications\u003c\/li\u003e\n \u003cli\u003eExcellent tactile feel for user interface responsiveness\u003c\/li\u003e\n \u003cli\u003eUltra-low current capabilities suitable for sensitive electronics\u003c\/li\u003e\n \u003cli\u003eIP40 rated for protection against dust and limited ingress\u003c\/li\u003e\n\u003c\/ul\u003e\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 contact)\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\u003eMinimum Voltage\u003c\/th\u003e\n \u003ctd\u003e20 mVDC\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eMaximum Current\u003c\/th\u003e\n \u003ctd\u003e50 mA (Silver contact)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eMinimum Current\u003c\/th\u003e\n \u003ctd\u003e1 mA¹\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\u003eContact Resistance\u003c\/th\u003e\n \u003ctd\u003e≤ 100 mΩ\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 \u003ctr\u003e\n \u003cth\u003eBounce Time\u003c\/th\u003e\n \u003ctd\u003e≤ 3 ms\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEnvironmental Characteristics\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eOperating Temperature\u003c\/th\u003e\n \u003ctd\u003e-40˚C to 85˚C (Silver contact), -40˚C to 125˚C (Gold contact)\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 contact), -55˚C to 125˚C (Gold contact)\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eMechanical Characteristics\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eOperation Force\u003c\/th\u003e\n \u003ctd\u003e1.2 N (120 g), 2.0 N (200 g), 3.0 N (300 g), 4.0 N (400 g)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eOperation Life\u003c\/th\u003e\n \u003ctd\u003eUp to 300,000 cycles depending on model\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\u003c\/table\u003e\n\u003ch3\u003ePackage and Additional Details\u003c\/h3\u003e\n\u003cp\u003ePackage Type: REEL\u003c\/p\u003e\n\u003cp\u003ePart Number: Y78B43114FP\u003c\/p\u003e\n\u003cp\u003eManufacturer: \u003cstrong\u003eLITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCountry of Origin: France\u003c\/p\u003e\n\u003cp\u003eUOM: EA\u003c\/p\u003e\n\u003cp\u003eECCN: EAR99\u003c\/p\u003e\n\u003cp\u003eDatasheet: \u003ca href=\"https:\/\/ckswitches.com\/media\/1480\/kmr4.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eProduct images and further details can be found at \u003ca href=\"https:\/\/ckswitches.com\/media\/1237\/kmr4.png\" target=\"_blank\"\u003eProduct Image\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNote: The datasheet was not processed; please search the internet for the part number for more details.\u003c\/em\u003e\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-16T05:20:28+05:30","created_at":"2025-08-16T05:20:28+05:30","vendor":"Waldom Electonics","type":"","tags":["IMPORT_CSV","IMPORT_PT2","LITTE-CKCO","Switch","WLDM"],"price":4989,"price_min":4989,"price_max":4989,"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":50626367488317,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"Y78B43114FP","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Y78B43114FP","public_title":null,"options":["Default Title"],"price":4989,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"Y78B43114FP","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/11132746.png?v=1755301830"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/11132746.png?v=1755301830","options":["Title"],"media":[{"alt":null,"id":45862575604029,"position":1,"preview_image":{"aspect_ratio":1.0,"height":400,"width":400,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/11132746.png?v=1755301830"},"aspect_ratio":1.0,"height":400,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/11132746.png?v=1755301830","width":400}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eY78B43114FP Tactile Switches Tact\u003c\/h3\u003e\n\u003cp\u003eIntroducing the Y78B43114FP tactile switch from \u003cstrong\u003eLITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/strong\u003e, a high-quality, miniature surface-mount device designed for demanding industrial, medical, and automotive applications. Manufactured in France, this switch offers reliable performance with excellent tactile feedback and ultra-low current capabilities.\u003c\/p\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSmall footprint ideal for space-constrained designs\u003c\/li\u003e\n \u003cli\u003eAvailable with 4 actuation forces for versatile applications\u003c\/li\u003e\n \u003cli\u003eExcellent tactile feel for user interface responsiveness\u003c\/li\u003e\n \u003cli\u003eUltra-low current capabilities suitable for sensitive electronics\u003c\/li\u003e\n \u003cli\u003eIP40 rated for protection against dust and limited ingress\u003c\/li\u003e\n\u003c\/ul\u003e\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 contact)\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\u003eMinimum Voltage\u003c\/th\u003e\n \u003ctd\u003e20 mVDC\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eMaximum Current\u003c\/th\u003e\n \u003ctd\u003e50 mA (Silver contact)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eMinimum Current\u003c\/th\u003e\n \u003ctd\u003e1 mA¹\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\u003eContact Resistance\u003c\/th\u003e\n \u003ctd\u003e≤ 100 mΩ\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 \u003ctr\u003e\n \u003cth\u003eBounce Time\u003c\/th\u003e\n \u003ctd\u003e≤ 3 ms\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEnvironmental Characteristics\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eOperating Temperature\u003c\/th\u003e\n \u003ctd\u003e-40˚C to 85˚C (Silver contact), -40˚C to 125˚C (Gold contact)\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 contact), -55˚C to 125˚C (Gold contact)\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eMechanical Characteristics\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eOperation Force\u003c\/th\u003e\n \u003ctd\u003e1.2 N (120 g), 2.0 N (200 g), 3.0 N (300 g), 4.0 N (400 g)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eOperation Life\u003c\/th\u003e\n \u003ctd\u003eUp to 300,000 cycles depending on model\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\u003c\/table\u003e\n\u003ch3\u003ePackage and Additional Details\u003c\/h3\u003e\n\u003cp\u003ePackage Type: REEL\u003c\/p\u003e\n\u003cp\u003ePart Number: Y78B43114FP\u003c\/p\u003e\n\u003cp\u003eManufacturer: \u003cstrong\u003eLITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCountry of Origin: France\u003c\/p\u003e\n\u003cp\u003eUOM: EA\u003c\/p\u003e\n\u003cp\u003eECCN: EAR99\u003c\/p\u003e\n\u003cp\u003eDatasheet: \u003ca href=\"https:\/\/ckswitches.com\/media\/1480\/kmr4.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eProduct images and further details can be found at \u003ca href=\"https:\/\/ckswitches.com\/media\/1237\/kmr4.png\" target=\"_blank\"\u003eProduct Image\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNote: The datasheet was not processed; please search the internet for the part number for more details.\u003c\/em\u003e\u003c\/p\u003e\u003cbr\u003e"}