Enhance your electronic applications with the high-quality 8020 Series Snap-acting Momentary Pushbutton Switches manufactured by LITTELFUSE / C&K COMPONENTS. Designed for reliable performance in instrumentation, computer peripherals, and telecommunications equipment, these switches offer a positive tactile feel and versatile multi-position options.
Key Features & Benefits
Positive tactile feedback for precise operation
Available in multiple positions to suit various applications
Wide variety of termination options for flexible integration
Epoxy terminal seal compatible with bottom wash cleaning methods
RoHS compliant models available for environmentally conscious designs
Technical Specifications
Contact Rating
• B contact material (8X25 Models): 0.4 VA max. @ 20 V AC/DC
• G contact material (8X21, U8X1 Models): 1 A @ 120 V AC or 28 V DC or 0.4 VA max. @ 20 V AC/DC
Note: Break-before-make contacts. Multi-pole contacts do not make and break simultaneously.
Electrical Life
60,000 make-and-break cycles at full load
Contact Resistance
Below 50 mΩ typ. initial @ 2-4 V DC, 100 mA, for both silver and gold plated contacts
Insulation Resistance
10^9 Ω min.
Dielectric Strength
1,000 Vrms min. @ sea level
Operating Temperature
8X2X Models: –30ºC to 75ºC
U8X1 Models: –30ºC to 65ºC
Note: Specifications and materials listed are for standard options. For custom configurations, please consult the Customer Service Center. All models feature epoxy terminal seal and are compatible with all bottom-wash PCB cleaning methods.
Datasheet was not processed; please search the internet for the part number for more details.
Use left/right arrows to navigate the slideshow or swipe left/right if using a mobile device
Choosing a selection results in a full page refresh.
Press the space key then arrow keys to make a selection.
Shopping Cart
{"id":10028024267069,"title":"8125SY9ABE","handle":"8125sy9abe","description":"\u003ch3\u003eProduct Description for LITTELFUSE \/ C\u0026amp;K COMPONENTS Pushbutton Switches (Part Number: 8125SY9ABE)\u003c\/h3\u003e\n\u003cp\u003eEnhance your electronic applications with the high-quality 8020 Series Snap-acting Momentary Pushbutton Switches manufactured by LITTELFUSE \/ C\u0026amp;K COMPONENTS. Designed for reliable performance in instrumentation, computer peripherals, and telecommunications equipment, these switches offer a positive tactile feel and versatile multi-position options.\u003c\/p\u003e\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePositive tactile feedback for precise operation\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple positions to suit various applications\u003c\/li\u003e\n\u003cli\u003eWide variety of termination options for flexible integration\u003c\/li\u003e\n\u003cli\u003eEpoxy terminal seal compatible with bottom wash cleaning methods\u003c\/li\u003e\n\u003cli\u003eRoHS compliant models available for environmentally conscious designs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eContact Rating\u003c\/th\u003e\n\u003ctd\u003e• B contact material (8X25 Models): 0.4 VA max. @ 20 V AC\/DC\u003cbr\u003e\n• G contact material (8X21, U8X1 Models): 1 A @ 120 V AC or 28 V DC or 0.4 VA max. @ 20 V AC\/DC\u003cbr\u003e\nNote: Break-before-make contacts. Multi-pole contacts do not make and break simultaneously.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eElectrical Life\u003c\/th\u003e\n\u003ctd\u003e60,000 make-and-break cycles at full load\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, for both silver and gold plated contacts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInsulation Resistance\u003c\/th\u003e\n\u003ctd\u003e10^9 Ω min.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDielectric Strength\u003c\/th\u003e\n\u003ctd\u003e1,000 Vrms min. @ sea level\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating Temperature\u003c\/th\u003e\n\u003ctd\u003e8X2X Models: –30ºC to 75ºC\u003cbr\u003e\nU8X1 Models: –30ºC to 65ºC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBuild \u0026amp; Material\u003c\/th\u003e\n\u003ctd\u003e\n\u003cul\u003e\n\u003cli\u003eCase: Glass filled nylon 6\/6 or Diallyl Phthalate (DAP), flame retardant (UL 94V-0)\u003c\/li\u003e\n\u003cli\u003ePlunger: Glass filled nylon or polyester (PBT)\u003c\/li\u003e\n\u003cli\u003eCap \u0026amp; Frame: Nylon, black\u003c\/li\u003e\n\u003cli\u003eBushing: Brass or zinc, nickel plated\u003c\/li\u003e\n\u003cli\u003eHousing: Stainless steel\u003c\/li\u003e\n\u003cli\u003eSwitch Support: Brass or steel, matte-tin plated\u003c\/li\u003e\n\u003cli\u003eContacts: Copper alloy, gold plated over nickel plate\u003c\/li\u003e\n\u003cli\u003eTerminal Seal: Epoxy\u003c\/li\u003e\n\u003cli\u003eHardware: Nut \u0026amp; Locking Ring: Brass, nickel plated; Lockwasher: Steel, nickel plated\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eProduct Variants \u0026amp; Functionality\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eNo. Poles\u003c\/th\u003e\n\u003cth\u003eModel No.\u003c\/th\u003e\n\u003cth\u003eSwitch Position\u003c\/th\u003e\n\u003cth\u003eUL\/CSA Model No.\u003c\/th\u003e\n\u003cth\u003eSwitch Function\u003c\/th\u003e\n\u003cth\u003eConnected Terminals\u003c\/th\u003e\n\u003cth\u003eAdditional Notes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSP\u003c\/td\u003e\n\u003ctd\u003e8121\u003c\/td\u003e\n\u003ctd\u003eU811 ON\u003c\/td\u003e\n\u003ctd\u003eU811 ON\u003c\/td\u003e\n\u003ctd\u003eMomentary SPDT\u003c\/td\u003e\n\u003ctd\u003e1-3, 1-2\u003c\/td\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSP\u003c\/td\u003e\n\u003ctd\u003e8125\u003c\/td\u003e\n\u003ctd\u003eON\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003eMomentary SPST\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDP\u003c\/td\u003e\n\u003ctd\u003e8221\u003c\/td\u003e\n\u003ctd\u003eU821 ON\u003c\/td\u003e\n\u003ctd\u003eU821 ON\u003c\/td\u003e\n\u003ctd\u003eMomentary DPDT\u003c\/td\u003e\n\u003ctd\u003e-3,4-6, 1-2,4-5\u003c\/td\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDP\u003c\/td\u003e\n\u003ctd\u003e8225\u003c\/td\u003e\n\u003ctd\u003eON\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003eMomentary DPST\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3P\u003c\/td\u003e\n\u003ctd\u003e8321\u003c\/td\u003e\n\u003ctd\u003eU831 ON\u003c\/td\u003e\n\u003ctd\u003eU831 ON\u003c\/td\u003e\n\u003ctd\u003eMomentary 3PDT\u003c\/td\u003e\n\u003ctd\u003e-4,6,7-9, 1-2,4,7-8\u003c\/td\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3P\u003c\/td\u003e\n\u003ctd\u003e8325\u003c\/td\u003e\n\u003ctd\u003eON\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003eMomentary 3PST\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4P\u003c\/td\u003e\n\u003ctd\u003e8421\u003c\/td\u003e\n\u003ctd\u003eU841\u003c\/td\u003e\n\u003ctd\u003eU841\u003c\/td\u003e\n\u003ctd\u003eMomentary 4PDT\u003c\/td\u003e\n\u003ctd\u003e-4,6,7-9,10-12, 1-2,4,7-8,10-11\u003c\/td\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4P\u003c\/td\u003e\n\u003ctd\u003e8425\u003c\/td\u003e\n\u003ctd\u003eON\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003eMomentary 4PST\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRoHS compliant models available\u003c\/li\u003e\n\u003cli\u003ePackage Type: EA (Each)\u003c\/li\u003e\n\u003cli\u003ePart Number: 8125SY9ABE\u003c\/li\u003e\n\u003cli\u003eManufacturer: LITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/li\u003e\n\u003cli\u003eCountry of Origin: Vietnam (VN)\u003c\/li\u003e\n\u003cli\u003eDatasheet: \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-ck\/ck-8125sy9abe.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNote: Specifications and materials listed are for standard options. For custom configurations, please consult the Customer Service Center. All models feature epoxy terminal seal and are compatible with all bottom-wash PCB cleaning methods.\u003c\/p\u003e\n\u003cp\u003eDatasheet was not processed; please search the internet for the part number for more details.\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-16T06:03:38+05:30","created_at":"2025-08-16T06:03:38+05:30","vendor":"Waldom Electonics","type":"","tags":["IMPORT_CSV","IMPORT_PT2","LITTE-CKCO","Switch","WLDM"],"price":100479,"price_min":100479,"price_max":100479,"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":50626471100733,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"8125SY9ABE","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"8125SY9ABE","public_title":null,"options":["Default Title"],"price":100479,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"8125SY9ABE","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/8125SY9ABE_11112696_af132a14.jpg?v=1755304421"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/8125SY9ABE_11112696_af132a14.jpg?v=1755304421","options":["Title"],"media":[{"alt":null,"id":45863239582013,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/8125SY9ABE_11112696_af132a14.jpg?v=1755304421"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/8125SY9ABE_11112696_af132a14.jpg?v=1755304421","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eProduct Description for LITTELFUSE \/ C\u0026amp;K COMPONENTS Pushbutton Switches (Part Number: 8125SY9ABE)\u003c\/h3\u003e\n\u003cp\u003eEnhance your electronic applications with the high-quality 8020 Series Snap-acting Momentary Pushbutton Switches manufactured by LITTELFUSE \/ C\u0026amp;K COMPONENTS. Designed for reliable performance in instrumentation, computer peripherals, and telecommunications equipment, these switches offer a positive tactile feel and versatile multi-position options.\u003c\/p\u003e\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePositive tactile feedback for precise operation\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple positions to suit various applications\u003c\/li\u003e\n\u003cli\u003eWide variety of termination options for flexible integration\u003c\/li\u003e\n\u003cli\u003eEpoxy terminal seal compatible with bottom wash cleaning methods\u003c\/li\u003e\n\u003cli\u003eRoHS compliant models available for environmentally conscious designs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eContact Rating\u003c\/th\u003e\n\u003ctd\u003e• B contact material (8X25 Models): 0.4 VA max. @ 20 V AC\/DC\u003cbr\u003e\n• G contact material (8X21, U8X1 Models): 1 A @ 120 V AC or 28 V DC or 0.4 VA max. @ 20 V AC\/DC\u003cbr\u003e\nNote: Break-before-make contacts. Multi-pole contacts do not make and break simultaneously.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eElectrical Life\u003c\/th\u003e\n\u003ctd\u003e60,000 make-and-break cycles at full load\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, for both silver and gold plated contacts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInsulation Resistance\u003c\/th\u003e\n\u003ctd\u003e10^9 Ω min.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDielectric Strength\u003c\/th\u003e\n\u003ctd\u003e1,000 Vrms min. @ sea level\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating Temperature\u003c\/th\u003e\n\u003ctd\u003e8X2X Models: –30ºC to 75ºC\u003cbr\u003e\nU8X1 Models: –30ºC to 65ºC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBuild \u0026amp; Material\u003c\/th\u003e\n\u003ctd\u003e\n\u003cul\u003e\n\u003cli\u003eCase: Glass filled nylon 6\/6 or Diallyl Phthalate (DAP), flame retardant (UL 94V-0)\u003c\/li\u003e\n\u003cli\u003ePlunger: Glass filled nylon or polyester (PBT)\u003c\/li\u003e\n\u003cli\u003eCap \u0026amp; Frame: Nylon, black\u003c\/li\u003e\n\u003cli\u003eBushing: Brass or zinc, nickel plated\u003c\/li\u003e\n\u003cli\u003eHousing: Stainless steel\u003c\/li\u003e\n\u003cli\u003eSwitch Support: Brass or steel, matte-tin plated\u003c\/li\u003e\n\u003cli\u003eContacts: Copper alloy, gold plated over nickel plate\u003c\/li\u003e\n\u003cli\u003eTerminal Seal: Epoxy\u003c\/li\u003e\n\u003cli\u003eHardware: Nut \u0026amp; Locking Ring: Brass, nickel plated; Lockwasher: Steel, nickel plated\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eProduct Variants \u0026amp; Functionality\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eNo. Poles\u003c\/th\u003e\n\u003cth\u003eModel No.\u003c\/th\u003e\n\u003cth\u003eSwitch Position\u003c\/th\u003e\n\u003cth\u003eUL\/CSA Model No.\u003c\/th\u003e\n\u003cth\u003eSwitch Function\u003c\/th\u003e\n\u003cth\u003eConnected Terminals\u003c\/th\u003e\n\u003cth\u003eAdditional Notes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSP\u003c\/td\u003e\n\u003ctd\u003e8121\u003c\/td\u003e\n\u003ctd\u003eU811 ON\u003c\/td\u003e\n\u003ctd\u003eU811 ON\u003c\/td\u003e\n\u003ctd\u003eMomentary SPDT\u003c\/td\u003e\n\u003ctd\u003e1-3, 1-2\u003c\/td\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSP\u003c\/td\u003e\n\u003ctd\u003e8125\u003c\/td\u003e\n\u003ctd\u003eON\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003eMomentary SPST\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDP\u003c\/td\u003e\n\u003ctd\u003e8221\u003c\/td\u003e\n\u003ctd\u003eU821 ON\u003c\/td\u003e\n\u003ctd\u003eU821 ON\u003c\/td\u003e\n\u003ctd\u003eMomentary DPDT\u003c\/td\u003e\n\u003ctd\u003e-3,4-6, 1-2,4-5\u003c\/td\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDP\u003c\/td\u003e\n\u003ctd\u003e8225\u003c\/td\u003e\n\u003ctd\u003eON\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003eMomentary DPST\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3P\u003c\/td\u003e\n\u003ctd\u003e8321\u003c\/td\u003e\n\u003ctd\u003eU831 ON\u003c\/td\u003e\n\u003ctd\u003eU831 ON\u003c\/td\u003e\n\u003ctd\u003eMomentary 3PDT\u003c\/td\u003e\n\u003ctd\u003e-4,6,7-9, 1-2,4,7-8\u003c\/td\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3P\u003c\/td\u003e\n\u003ctd\u003e8325\u003c\/td\u003e\n\u003ctd\u003eON\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003eMomentary 3PST\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4P\u003c\/td\u003e\n\u003ctd\u003e8421\u003c\/td\u003e\n\u003ctd\u003eU841\u003c\/td\u003e\n\u003ctd\u003eU841\u003c\/td\u003e\n\u003ctd\u003eMomentary 4PDT\u003c\/td\u003e\n\u003ctd\u003e-4,6,7-9,10-12, 1-2,4,7-8,10-11\u003c\/td\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4P\u003c\/td\u003e\n\u003ctd\u003e8425\u003c\/td\u003e\n\u003ctd\u003eON\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003eMomentary 4PST\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRoHS compliant models available\u003c\/li\u003e\n\u003cli\u003ePackage Type: EA (Each)\u003c\/li\u003e\n\u003cli\u003ePart Number: 8125SY9ABE\u003c\/li\u003e\n\u003cli\u003eManufacturer: LITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/li\u003e\n\u003cli\u003eCountry of Origin: Vietnam (VN)\u003c\/li\u003e\n\u003cli\u003eDatasheet: \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-ck\/ck-8125sy9abe.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNote: Specifications and materials listed are for standard options. For custom configurations, please consult the Customer Service Center. All models feature epoxy terminal seal and are compatible with all bottom-wash PCB cleaning methods.\u003c\/p\u003e\n\u003cp\u003eDatasheet was not processed; please search the internet for the part number for more details.\u003c\/p\u003e\u003cbr\u003e"}
