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LITTELFUSE
Y78B44220FP
Y78B44220FP Tactile Switches by LITTELFUSE / C&K COMPONENTS
Introducing the Y78B44220FP tactile switch from LITTELFUSE / C&K COMPONENTS, a high-quality, microminiature SMT top actuated switch designed for demanding industrial, medical, and automotive applications. This switch offers exceptional tactile feedback and ultra-low current capabilities, making it suitable for harsh environments and precision electronic systems.
Product Features
Small footprint ideal for space-constrained designs
Available with 4 actuation forces for versatile applications
Excellent tactile feel for user interface reliability
Ultra-low current capabilities for power-sensitive applications
IP40 rated for environmental protection
Electrical and Mechanical Specifications
Electrical Characteristics
Silver
Gold
Maximum Power
1 VA
0.2 VA
Maximum Voltage
32 VDC
32 VDC
Minimum Voltage
20 mVDC
20 mVDC
Maximum Current
50 mA
10 mA
Minimum Current
1 mA¹
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)
-40˚C to 125˚C (Gold)
Storage Temperature
-55˚C to 85˚C (Silver)
-55˚C to 125˚C (Gold)
Mechanical Characteristics
Operation Force
G - Ground Pin
NG - No Ground Pin
1.2 N (120 g)
100,000 cycles
100,000 cycles
2 N (200 g)
100,000 cycles
100,000 cycles
3 N (300 g)
100,000 cycles
100,000 cycles
4 N (400 g)
200,000 cycles
100,000 cycles
Packaging and Additional Details
Package Type: Reel
Part Number: Y78B44220FP
Manufacturer: LITTELFUSE / C&K COMPONENTS
Country of Origin: France (FR)
UOM: Each (EA)
ECCN: EAR99
Datasheet: Download 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.
For more details, please search the internet for the part number Y78B44220FP .
Use left/right arrows to navigate the slideshow or swipe left/right if using a mobile device
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This switch offers exceptional tactile feedback and ultra-low current capabilities, making it suitable for harsh environments and precision electronic systems.\u003c\/p\u003e\n\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 reliability\u003c\/li\u003e\n \u003cli\u003eUltra-low current capabilities for power-sensitive applications\u003c\/li\u003e\n \u003cli\u003eIP40 rated for environmental protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eElectrical and Mechanical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eElectrical Characteristics\u003c\/th\u003e\n \u003cth\u003eSilver\u003c\/th\u003e\n \u003cth\u003eGold\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMaximum Power\u003c\/td\u003e\n \u003ctd\u003e1 VA\u003c\/td\u003e\n \u003ctd\u003e0.2 VA\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMaximum Voltage\u003c\/td\u003e\n \u003ctd\u003e32 VDC\u003c\/td\u003e\n \u003ctd\u003e32 VDC\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMinimum Voltage\u003c\/td\u003e\n \u003ctd\u003e20 mVDC\u003c\/td\u003e\n \u003ctd\u003e20 mVDC\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMaximum Current\u003c\/td\u003e\n \u003ctd\u003e50 mA\u003c\/td\u003e\n \u003ctd\u003e10 mA\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMinimum Current\u003c\/td\u003e\n \u003ctd\u003e1 mA¹\u003c\/td\u003e\n \u003ctd\u003e1 mA¹\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eDielectric Strength\u003c\/td\u003e\n \u003ctd colspan=\"2\"\u003e≥ 250 Vrms\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eContact Resistance\u003c\/td\u003e\n \u003ctd colspan=\"2\"\u003e≤ 100 mΩ\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eInsulation Resistance\u003c\/td\u003e\n \u003ctd colspan=\"2\"\u003e≥ 1 GΩ\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eBounce Time\u003c\/td\u003e\n \u003ctd colspan=\"2\"\u003e≤ 3 ms\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\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)\u003c\/td\u003e\n \u003ctd\u003e-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)\u003c\/td\u003e\n \u003ctd\u003e-55˚C to 125˚C (Gold)\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eMechanical Characteristics\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eOperation Force\u003c\/th\u003e\n \u003cth\u003eG - Ground Pin\u003c\/th\u003e\n \u003cth\u003eNG - No Ground Pin\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e1.2 N (120 g)\u003c\/td\u003e\n \u003ctd\u003e100,000 cycles\u003c\/td\u003e\n \u003ctd\u003e100,000 cycles\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e2 N (200 g)\u003c\/td\u003e\n \u003ctd\u003e100,000 cycles\u003c\/td\u003e\n \u003ctd\u003e100,000 cycles\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e3 N (300 g)\u003c\/td\u003e\n \u003ctd\u003e100,000 cycles\u003c\/td\u003e\n \u003ctd\u003e100,000 cycles\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e4 N (400 g)\u003c\/td\u003e\n \u003ctd\u003e200,000 cycles\u003c\/td\u003e\n \u003ctd\u003e100,000 cycles\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackaging and Additional Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003ePackage Type: Reel\u003c\/li\u003e\n \u003cli\u003ePart Number: Y78B44220FP\u003c\/li\u003e\n \u003cli\u003eManufacturer: LITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/li\u003e\n \u003cli\u003eCountry of Origin: France (FR)\u003c\/li\u003e\n \u003cli\u003eUOM: Each (EA)\u003c\/li\u003e\n \u003cli\u003eECCN: EAR99\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\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\u003eFor more details, please search the internet for the part number \u003cstrong\u003eY78B44220FP\u003c\/strong\u003e.\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-16T05:21:12+05:30","created_at":"2025-08-16T05:21:12+05:30","vendor":"Waldom Electonics","type":"","tags":["IMPORT_CSV","IMPORT_PT2","LITTE-CKCO","Switch","WLDM"],"price":3423,"price_min":3423,"price_max":3423,"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":50626368766269,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"Y78B44220FP","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Y78B44220FP","public_title":null,"options":["Default Title"],"price":3423,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"Y78B44220FP","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/11132761.png?v=1755301874"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/11132761.png?v=1755301874","options":["Title"],"media":[{"alt":null,"id":45862585303357,"position":1,"preview_image":{"aspect_ratio":1.0,"height":400,"width":400,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/11132761.png?v=1755301874"},"aspect_ratio":1.0,"height":400,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/11132761.png?v=1755301874","width":400}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eY78B44220FP Tactile Switches by LITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/h3\u003e\n\n\u003cp\u003eIntroducing the Y78B44220FP tactile switch from LITTELFUSE \/ C\u0026amp;K COMPONENTS, a high-quality, microminiature SMT top actuated switch designed for demanding industrial, medical, and automotive applications. This switch offers exceptional tactile feedback and ultra-low current capabilities, making it suitable for harsh environments and precision electronic systems.\u003c\/p\u003e\n\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 reliability\u003c\/li\u003e\n \u003cli\u003eUltra-low current capabilities for power-sensitive applications\u003c\/li\u003e\n \u003cli\u003eIP40 rated for environmental protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eElectrical and Mechanical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eElectrical Characteristics\u003c\/th\u003e\n \u003cth\u003eSilver\u003c\/th\u003e\n \u003cth\u003eGold\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMaximum Power\u003c\/td\u003e\n \u003ctd\u003e1 VA\u003c\/td\u003e\n \u003ctd\u003e0.2 VA\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMaximum Voltage\u003c\/td\u003e\n \u003ctd\u003e32 VDC\u003c\/td\u003e\n \u003ctd\u003e32 VDC\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMinimum Voltage\u003c\/td\u003e\n \u003ctd\u003e20 mVDC\u003c\/td\u003e\n \u003ctd\u003e20 mVDC\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMaximum Current\u003c\/td\u003e\n \u003ctd\u003e50 mA\u003c\/td\u003e\n \u003ctd\u003e10 mA\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMinimum Current\u003c\/td\u003e\n \u003ctd\u003e1 mA¹\u003c\/td\u003e\n \u003ctd\u003e1 mA¹\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eDielectric Strength\u003c\/td\u003e\n \u003ctd colspan=\"2\"\u003e≥ 250 Vrms\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eContact Resistance\u003c\/td\u003e\n \u003ctd colspan=\"2\"\u003e≤ 100 mΩ\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eInsulation Resistance\u003c\/td\u003e\n \u003ctd colspan=\"2\"\u003e≥ 1 GΩ\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eBounce Time\u003c\/td\u003e\n \u003ctd colspan=\"2\"\u003e≤ 3 ms\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\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)\u003c\/td\u003e\n \u003ctd\u003e-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)\u003c\/td\u003e\n \u003ctd\u003e-55˚C to 125˚C (Gold)\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eMechanical Characteristics\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eOperation Force\u003c\/th\u003e\n \u003cth\u003eG - Ground Pin\u003c\/th\u003e\n \u003cth\u003eNG - No Ground Pin\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e1.2 N (120 g)\u003c\/td\u003e\n \u003ctd\u003e100,000 cycles\u003c\/td\u003e\n \u003ctd\u003e100,000 cycles\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e2 N (200 g)\u003c\/td\u003e\n \u003ctd\u003e100,000 cycles\u003c\/td\u003e\n \u003ctd\u003e100,000 cycles\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e3 N (300 g)\u003c\/td\u003e\n \u003ctd\u003e100,000 cycles\u003c\/td\u003e\n \u003ctd\u003e100,000 cycles\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e4 N (400 g)\u003c\/td\u003e\n \u003ctd\u003e200,000 cycles\u003c\/td\u003e\n \u003ctd\u003e100,000 cycles\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackaging and Additional Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003ePackage Type: Reel\u003c\/li\u003e\n \u003cli\u003ePart Number: Y78B44220FP\u003c\/li\u003e\n \u003cli\u003eManufacturer: LITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/li\u003e\n \u003cli\u003eCountry of Origin: France (FR)\u003c\/li\u003e\n \u003cli\u003eUOM: Each (EA)\u003c\/li\u003e\n \u003cli\u003eECCN: EAR99\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\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\u003eFor more details, please search the internet for the part number \u003cstrong\u003eY78B44220FP\u003c\/strong\u003e.\u003c\/p\u003e\u003cbr\u003e"}
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