Manufactured by LITTELFUSE / C&K COMPONENTS, the YT1025540FPLFS is a high-quality tactile switch designed for reliable operation in various electronic applications. This SPST (Single Pole Single Throw) round button switch features a gull-wing design with a maximum voltage rating of 32VAC/DC, making it suitable for computer, instrumentation, and power supply applications.
Product Features
Sealed tact switch with full SMT top and side actuation
High shear force with extended bracket for extended operational life
Available with rubber or hard plastic actuators
Compatible with press fit or snap fit caps
RoHS compliant and environmentally friendly
Easy to pick & place with top plate tab
Suitable for telecommunications and computer products
Electrical & Mechanical Specifications
Contact Arrangement
SPST, N.O.
Terminals
SMT termination
Packaging
Supplied in anti-static tape and reels per EIA 481-2. Tape and cover strip are conductive for use near static-sensitive components.
Contact Rating
1.0 VA max. @ 32 V AC/DC max.
Electrical & Mechanical Life
100,000 make-and-break cycles at full load
Dielectric Strength
250 Vrms min. @ sea level
Contact Resistance
Below 50 mΩ typ. initial @ 2-4 V DC, 100 mA
Insulation Resistance
109 Ω min.
Environmental & Durability Characteristics
Operating Temperature
-40°C to 90°C (Silver), -40°C to 125°C (Gold)
Soldering
Per MIL-STD-202F method 208D, or EIA RS-186E method 9 (1 hour steam aging)
Protection Level
IP57; protection against harmful dust deposits and full-scale voltage protection
For more detailed specifications and custom options, please refer to the datasheet or contact your supplier. The datasheet URL provides comprehensive technical information and application guidelines.
Note: Specifications are subject to change without notice. Please verify with the manufacturer for the latest details.
{"id":10027935629629,"title":"YT1025540FPLFS","handle":"yt1025540fplfs","description":"\u003ch3\u003eYt1025540FPLFS Tactile Switches SPST Round Button Gull 32VAC 32VDC\u003c\/h3\u003e\n\u003cp\u003eManufactured by \u003cstrong\u003eLITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/strong\u003e, the YT1025540FPLFS is a high-quality tactile switch designed for reliable operation in various electronic applications. This SPST (Single Pole Single Throw) round button switch features a gull-wing design with a maximum voltage rating of 32VAC\/DC, making it suitable for computer, instrumentation, and power supply applications.\u003c\/p\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSealed tact switch with full SMT top and side actuation\u003c\/li\u003e\n\u003cli\u003eHigh shear force with extended bracket for extended operational life\u003c\/li\u003e\n\u003cli\u003eAvailable with rubber or hard plastic actuators\u003c\/li\u003e\n\u003cli\u003eCompatible with press fit or snap fit caps\u003c\/li\u003e\n\u003cli\u003eRoHS compliant and environmentally friendly\u003c\/li\u003e\n\u003cli\u003eEasy to pick \u0026amp; place with top plate tab\u003c\/li\u003e\n\u003cli\u003eSuitable for telecommunications and computer products\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical \u0026amp; Mechanical Specifications\u003c\/h3\u003e\n\u003ctable\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\u003eTerminals\u003c\/th\u003e\n\u003ctd\u003eSMT termination\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackaging\u003c\/th\u003e\n\u003ctd\u003eSupplied in anti-static tape and reels per EIA 481-2. Tape and cover strip are conductive for use near static-sensitive components.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eContact Rating\u003c\/th\u003e\n\u003ctd\u003e1.0 VA max. @ 32 V AC\/DC max.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eElectrical \u0026amp; Mechanical Life\u003c\/th\u003e\n\u003ctd\u003e100,000 make-and-break cycles at full load\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDielectric Strength\u003c\/th\u003e\n\u003ctd\u003e250 Vrms min. @ sea level\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eContact Resistance\u003c\/th\u003e\n\u003ctd\u003eBelow 50 mΩ typ. initial @ 2-4 V DC, 100 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInsulation Resistance\u003c\/th\u003e\n\u003ctd\u003e109 Ω min.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEnvironmental \u0026amp; Durability Characteristics\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating Temperature\u003c\/th\u003e\n\u003ctd\u003e-40°C to 90°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\u003ePer MIL-STD-202F method 208D, or EIA RS-186E method 9 (1 hour steam aging)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProtection Level\u003c\/th\u003e\n\u003ctd\u003eIP57; protection against harmful dust deposits and full-scale voltage protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003ePart Details \u0026amp; Ordering\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: YT1025540FPLFS\u003c\/li\u003e\n\u003cli\u003eManufacturer: \u003cstrong\u003eLITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCountry of Origin: CN\u003c\/li\u003e\n\u003cli\u003eUnit of Measure: EA\u003c\/li\u003e\n\u003cli\u003eECCN: EAR99\u003c\/li\u003e\n\u003cli\u003ePackage Type: T\u0026amp;R\u003c\/li\u003e\n\u003cli\u003eDatasheet: \u003ca href=\"https:\/\/ckswitches.com\/media\/1468\/kt.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor more detailed specifications and custom options, please refer to the datasheet or contact your supplier. The datasheet URL provides comprehensive technical information and application guidelines.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNote: Specifications are subject to change without notice. Please verify with the manufacturer for the latest details.\u003c\/em\u003e\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-16T04:55:18+05:30","created_at":"2025-08-16T04:55:18+05:30","vendor":"Waldom Electonics","type":"","tags":["32VAC","32VDC","IMPORT_CSV","IMPORT_PT2","LITTE-CKCO","SPST","Switch","WLDM"],"price":22036,"price_min":22036,"price_max":22036,"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":50626315092285,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"YT1025540FPLFS","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"YT1025540FPLFS","public_title":null,"options":["Default Title"],"price":22036,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"YT1025540FPLFS","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/YT1025540FPLFS_11132951_2d2f4708.jpg?v=1755300321"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/YT1025540FPLFS_11132951_2d2f4708.jpg?v=1755300321","options":["Title"],"media":[{"alt":null,"id":45862161350973,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/YT1025540FPLFS_11132951_2d2f4708.jpg?v=1755300321"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/YT1025540FPLFS_11132951_2d2f4708.jpg?v=1755300321","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eYt1025540FPLFS Tactile Switches SPST Round Button Gull 32VAC 32VDC\u003c\/h3\u003e\n\u003cp\u003eManufactured by \u003cstrong\u003eLITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/strong\u003e, the YT1025540FPLFS is a high-quality tactile switch designed for reliable operation in various electronic applications. This SPST (Single Pole Single Throw) round button switch features a gull-wing design with a maximum voltage rating of 32VAC\/DC, making it suitable for computer, instrumentation, and power supply applications.\u003c\/p\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSealed tact switch with full SMT top and side actuation\u003c\/li\u003e\n\u003cli\u003eHigh shear force with extended bracket for extended operational life\u003c\/li\u003e\n\u003cli\u003eAvailable with rubber or hard plastic actuators\u003c\/li\u003e\n\u003cli\u003eCompatible with press fit or snap fit caps\u003c\/li\u003e\n\u003cli\u003eRoHS compliant and environmentally friendly\u003c\/li\u003e\n\u003cli\u003eEasy to pick \u0026amp; place with top plate tab\u003c\/li\u003e\n\u003cli\u003eSuitable for telecommunications and computer products\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical \u0026amp; Mechanical Specifications\u003c\/h3\u003e\n\u003ctable\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\u003eTerminals\u003c\/th\u003e\n\u003ctd\u003eSMT termination\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackaging\u003c\/th\u003e\n\u003ctd\u003eSupplied in anti-static tape and reels per EIA 481-2. Tape and cover strip are conductive for use near static-sensitive components.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eContact Rating\u003c\/th\u003e\n\u003ctd\u003e1.0 VA max. @ 32 V AC\/DC max.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eElectrical \u0026amp; Mechanical Life\u003c\/th\u003e\n\u003ctd\u003e100,000 make-and-break cycles at full load\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDielectric Strength\u003c\/th\u003e\n\u003ctd\u003e250 Vrms min. @ sea level\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eContact Resistance\u003c\/th\u003e\n\u003ctd\u003eBelow 50 mΩ typ. initial @ 2-4 V DC, 100 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInsulation Resistance\u003c\/th\u003e\n\u003ctd\u003e109 Ω min.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEnvironmental \u0026amp; Durability Characteristics\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating Temperature\u003c\/th\u003e\n\u003ctd\u003e-40°C to 90°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\u003ePer MIL-STD-202F method 208D, or EIA RS-186E method 9 (1 hour steam aging)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProtection Level\u003c\/th\u003e\n\u003ctd\u003eIP57; protection against harmful dust deposits and full-scale voltage protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003ePart Details \u0026amp; Ordering\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: YT1025540FPLFS\u003c\/li\u003e\n\u003cli\u003eManufacturer: \u003cstrong\u003eLITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCountry of Origin: CN\u003c\/li\u003e\n\u003cli\u003eUnit of Measure: EA\u003c\/li\u003e\n\u003cli\u003eECCN: EAR99\u003c\/li\u003e\n\u003cli\u003ePackage Type: T\u0026amp;R\u003c\/li\u003e\n\u003cli\u003eDatasheet: \u003ca href=\"https:\/\/ckswitches.com\/media\/1468\/kt.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor more detailed specifications and custom options, please refer to the datasheet or contact your supplier. The datasheet URL provides comprehensive technical information and application guidelines.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNote: Specifications are subject to change without notice. Please verify with the manufacturer for the latest details.\u003c\/em\u003e\u003c\/p\u003e\u003cbr\u003e"}
