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RKA2SGM055SMTRLFS
Product Description
The LITTELFUSE / C&K COMPONENTS RKA2SGM055SMTRLFS is a high-quality tactile switch designed for precise electronic applications. This microminiature SMT top actuated switch features gullwing termination and a 160gf actuation force, making it suitable for compact device designs requiring reliable tactile feedback.
Key Features:
Microminiature SMT package with low profile design
Gullwing terminal type for easy surface-mount assembly
Hard actuator for durability and consistent performance
Multiple actuation force options, including 160gf for this model
Up to 1,000,000 life cycles for long-term reliability
Suitable for applications such as keyfobs, navigation devices, and medical equipment
Technical Specifications:
Function
Momentary action
Contact Arrangement
SPST N.O.
Termination
SMT
Maximum Voltage
DC 15V
Maximum Current
20 mA
Contact Resistance
500 mΩ max.
Insulation Resistance
50 MΩ min.
Dielectric Strength
250 VA (1 minute)
Bounce Time
≤ 10 ms
Operating Temperature
-40°C to 85°C
Travel
0.20 ± 0.1 mm
Actuation Force
160 gf
Life Cycles
1,000,000
Packaging: 5,000 pieces per reel
Dimensions: 0.55 mm height
Environmental: Operates reliably from -40°C to 85°C
Part Number: RKA2SGM055SMTRLFS
Manufacturer: LITTELFUSE / C&K COMPONENTS
Country of Origin: CN
UOM: EA
ECCN: EAR99
Package Type: T&R
Datasheet: Download Datasheet
For more detailed specifications and options, please refer to the datasheet or contact your local representative.
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This microminiature SMT top actuated switch features gullwing termination and a 160gf actuation force, making it suitable for compact device designs requiring reliable tactile feedback.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eMicrominiature SMT package with low profile design\u003c\/li\u003e\n \u003cli\u003eGullwing terminal type for easy surface-mount assembly\u003c\/li\u003e\n \u003cli\u003eHard actuator for durability and consistent performance\u003c\/li\u003e\n \u003cli\u003eMultiple actuation force options, including 160gf for this model\u003c\/li\u003e\n \u003cli\u003eUp to 1,000,000 life cycles for long-term reliability\u003c\/li\u003e\n \u003cli\u003eSuitable for applications such as keyfobs, navigation devices, and medical equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications:\u003c\/strong\u003e\u003c\/p\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 N.O.\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eTermination\u003c\/th\u003e\n \u003ctd\u003eSMT\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eMaximum Voltage\u003c\/th\u003e\n \u003ctd\u003eDC 15V\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eMaximum Current\u003c\/th\u003e\n \u003ctd\u003e20 mA\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eContact Resistance\u003c\/th\u003e\n \u003ctd\u003e500 mΩ max.\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eInsulation Resistance\u003c\/th\u003e\n \u003ctd\u003e50 MΩ min.\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eDielectric Strength\u003c\/th\u003e\n \u003ctd\u003e250 VA (1 minute)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eBounce Time\u003c\/th\u003e\n \u003ctd\u003e≤ 10 ms\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\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eTravel\u003c\/th\u003e\n \u003ctd\u003e0.20 ± 0.1 mm\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eActuation Force\u003c\/th\u003e\n \u003ctd\u003e160 gf\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eLife Cycles\u003c\/th\u003e\n \u003ctd\u003e1,000,000\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003ePackaging:\u003c\/strong\u003e 5,000 pieces per reel\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 0.55 mm height\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEnvironmental:\u003c\/strong\u003e Operates reliably from -40°C to 85°C\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e RKA2SGM055SMTRLFS\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e LITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e CN\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUOM:\u003c\/strong\u003e EA\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePackage Type:\u003c\/strong\u003e T\u0026amp;R\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-ck\/ck-rka2sgm055smtrlfs.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eFor more detailed specifications and options, please refer to the datasheet or contact your local representative.\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-15T23:07:00+05:30","created_at":"2025-08-15T23:07:00+05:30","vendor":"Waldom Electonics","type":"Switches","tags":["IMPORT_CSV","IMPORT_PT2","LITTE-CKCO","Switch","Tactile","WLDM"],"price":1136,"price_min":1136,"price_max":1136,"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":50624865993021,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"RKA2SGM055SMTRLFS","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"RKA2SGM055SMTRLFS","public_title":null,"options":["Default Title"],"price":1136,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"RKA2SGM055SMTRLFS","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/55598874.jpg?v=1755279422"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/55598874.jpg?v=1755279422","options":["Title"],"media":[{"alt":null,"id":45857766768957,"position":1,"preview_image":{"aspect_ratio":1.0,"height":640,"width":640,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/55598874.jpg?v=1755279422"},"aspect_ratio":1.0,"height":640,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/55598874.jpg?v=1755279422","width":640}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eLITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/strong\u003e RKA2SGM055SMTRLFS is a high-quality tactile switch designed for precise electronic applications. This microminiature SMT top actuated switch features gullwing termination and a 160gf actuation force, making it suitable for compact device designs requiring reliable tactile feedback.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eMicrominiature SMT package with low profile design\u003c\/li\u003e\n \u003cli\u003eGullwing terminal type for easy surface-mount assembly\u003c\/li\u003e\n \u003cli\u003eHard actuator for durability and consistent performance\u003c\/li\u003e\n \u003cli\u003eMultiple actuation force options, including 160gf for this model\u003c\/li\u003e\n \u003cli\u003eUp to 1,000,000 life cycles for long-term reliability\u003c\/li\u003e\n \u003cli\u003eSuitable for applications such as keyfobs, navigation devices, and medical equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications:\u003c\/strong\u003e\u003c\/p\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 N.O.\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eTermination\u003c\/th\u003e\n \u003ctd\u003eSMT\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eMaximum Voltage\u003c\/th\u003e\n \u003ctd\u003eDC 15V\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eMaximum Current\u003c\/th\u003e\n \u003ctd\u003e20 mA\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eContact Resistance\u003c\/th\u003e\n \u003ctd\u003e500 mΩ max.\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eInsulation Resistance\u003c\/th\u003e\n \u003ctd\u003e50 MΩ min.\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eDielectric Strength\u003c\/th\u003e\n \u003ctd\u003e250 VA (1 minute)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eBounce Time\u003c\/th\u003e\n \u003ctd\u003e≤ 10 ms\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\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eTravel\u003c\/th\u003e\n \u003ctd\u003e0.20 ± 0.1 mm\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eActuation Force\u003c\/th\u003e\n \u003ctd\u003e160 gf\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eLife Cycles\u003c\/th\u003e\n \u003ctd\u003e1,000,000\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003ePackaging:\u003c\/strong\u003e 5,000 pieces per reel\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 0.55 mm height\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEnvironmental:\u003c\/strong\u003e Operates reliably from -40°C to 85°C\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e RKA2SGM055SMTRLFS\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e LITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e CN\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUOM:\u003c\/strong\u003e EA\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePackage Type:\u003c\/strong\u003e T\u0026amp;R\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-ck\/ck-rka2sgm055smtrlfs.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eFor more detailed specifications and options, please refer to the datasheet or contact your local representative.\u003c\/p\u003e\u003cbr\u003e"}
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