Enhance your electronic applications with the high-quality SPDT On-Mom Pushbutton Switch from the 8020 Series by LITTELFUSE / C&K COMPONENTS. Designed for reliable performance in instrumentation, computer peripherals, and telecommunications equipment, this switch offers precise tactile feedback and versatile mounting options.
Single-pole double-throw (SPDT) configuration for versatile switching
Epoxy terminal seal compatible with bottom wash cleaning methods
RoHS compliant models available for environmentally conscious designs
Wide variety of termination options to suit different mounting requirements
Electrical life of 60,000 make-and-break cycles at full load
Contact resistance below 50 mΩ initially
Insulation resistance of at least 10^9 Ω
Dielectric strength of 1,000 Vrms at sea level
Operating temperature range: -30°C to 75°C
Build with durable materials including glass-filled nylon, stainless steel, brass, and zinc
Technical Specifications
Contact Rating
0.4 VA max. @ 20 V AC/DC (B contact material)
Electrical Life
60,000 cycles
Contact Resistance
Below 50 mΩ
Insulation Resistance
≥ 10^9 Ω
Dielectric Strength
≥ 1,000 Vrms
Operating Temperature
-30°C to 75°C
Build Material
Glass-filled nylon, stainless steel, brass, zinc
Contact Materials
8X25 Models: Copper alloy with gold plate over nickel; 8X21, U8X1 Models: Coin silver with gold plate over nickel
Terminal Seal
Epoxy
Product Features
SPDT On-Mom switch with a 0.4 VA contact rating
Multiple termination options including right-angle, PC thru-hole, solder lug, and snap-in configurations
Durable case made from UL 94V-0 flame-retardant materials
Available with various frame and cap colors, including white, red, orange, yellow, green, blue, and gray
Optional LED indicator versions available
Designed for easy mounting and reliable operation in demanding environments
Additional Information
For specific and custom switch configurations, please consult the Customer Service Center. All models feature epoxy terminal seals and are compatible with all “bottom-wash” PCB cleaning methods.
Note: Specifications and materials listed are for standard options. For custom options, refer to the datasheet or contact the manufacturer.
For more detailed information, please refer to the full datasheet.
Disclaimer: The datasheet was not processed; please search the internet for the part number 8125J81ZBE11 for additional details.
{"id":10028071125309,"title":"8125J81ZBE11","handle":"8125j81zbe11","description":"\u003ch3\u003eProduct Description for LITTELFUSE \/ C\u0026amp;K COMPONENTS Pushbutton Switch (Part Number: 8125J81ZBE11)\u003c\/h3\u003e\n\u003cp\u003eEnhance your electronic applications with the high-quality SPDT On-Mom Pushbutton Switch from the 8020 Series by LITTELFUSE \/ C\u0026amp;K COMPONENTS. Designed for reliable performance in instrumentation, computer peripherals, and telecommunications equipment, this switch offers precise tactile feedback and versatile mounting options.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 8125J81ZBE11\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e LITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Vietnam (VN)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit of Measure (UOM):\u003c\/strong\u003e Each (EA)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e Not specified\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-ck\/8020.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePositive tactile feel for reliable actuation\u003c\/li\u003e\n\u003cli\u003eSingle-pole double-throw (SPDT) configuration for versatile switching\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\u003cli\u003eWide variety of termination options to suit different mounting requirements\u003c\/li\u003e\n\u003cli\u003eElectrical life of 60,000 make-and-break cycles at full load\u003c\/li\u003e\n\u003cli\u003eContact resistance below 50 mΩ initially\u003c\/li\u003e\n\u003cli\u003eInsulation resistance of at least 10^9 Ω\u003c\/li\u003e\n\u003cli\u003eDielectric strength of 1,000 Vrms at sea level\u003c\/li\u003e\n\u003cli\u003eOperating temperature range: -30°C to 75°C\u003c\/li\u003e\n\u003cli\u003eBuild with durable materials including glass-filled nylon, stainless steel, brass, and zinc\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n\u003ctr\u003e\n\u003cth\u003eContact Rating\u003c\/th\u003e\n\u003ctd\u003e0.4 VA max. @ 20 V AC\/DC (B contact material)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eElectrical Life\u003c\/th\u003e\n\u003ctd\u003e60,000 cycles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eContact Resistance\u003c\/th\u003e\n\u003ctd\u003eBelow 50 mΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInsulation Resistance\u003c\/th\u003e\n\u003ctd\u003e≥ 10^9 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDielectric Strength\u003c\/th\u003e\n\u003ctd\u003e≥ 1,000 Vrms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating Temperature\u003c\/th\u003e\n\u003ctd\u003e-30°C to 75°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBuild Material\u003c\/th\u003e\n\u003ctd\u003eGlass-filled nylon, stainless steel, brass, zinc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eContact Materials\u003c\/th\u003e\n\u003ctd\u003e8X25 Models: Copper alloy with gold plate over nickel; 8X21, U8X1 Models: Coin silver with gold plate over nickel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTerminal Seal\u003c\/th\u003e\n\u003ctd\u003eEpoxy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSPDT On-Mom switch with a 0.4 VA contact rating\u003c\/li\u003e\n\u003cli\u003eMultiple termination options including right-angle, PC thru-hole, solder lug, and snap-in configurations\u003c\/li\u003e\n\u003cli\u003eDurable case made from UL 94V-0 flame-retardant materials\u003c\/li\u003e\n\u003cli\u003eAvailable with various frame and cap colors, including white, red, orange, yellow, green, blue, and gray\u003c\/li\u003e\n\u003cli\u003eOptional LED indicator versions available\u003c\/li\u003e\n\u003cli\u003eDesigned for easy mounting and reliable operation in demanding environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cp\u003eFor specific and custom switch configurations, please consult the Customer Service Center. All models feature epoxy terminal seals and are compatible with all “bottom-wash” PCB cleaning methods.\u003c\/p\u003e\n\u003cp\u003eNote: Specifications and materials listed are for standard options. For custom options, refer to the datasheet or contact the manufacturer.\u003c\/p\u003e\n\u003cp\u003eFor more detailed information, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-ck\/8020.pdf\" target=\"_blank\"\u003efull datasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eDisclaimer: The datasheet was not processed; please search the internet for the part number 8125J81ZBE11 for additional details.\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-16T06:41:12+05:30","created_at":"2025-08-16T06:41:12+05:30","vendor":"Waldom Electonics","type":"","tags":["4VA","IMPORT_CSV","IMPORT_PT2","LITTE-CKCO","SW","WLDM"],"price":83293,"price_min":83293,"price_max":83293,"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":50626556985661,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"8125J81ZBE11","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"8125J81ZBE11","public_title":null,"options":["Default Title"],"price":83293,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"8125J81ZBE11","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/8125J81ZBE11_43636165_77a56c27.jpg?v=1755306676"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/8125J81ZBE11_43636165_77a56c27.jpg?v=1755306676","options":["Title"],"media":[{"alt":null,"id":45863769440573,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/8125J81ZBE11_43636165_77a56c27.jpg?v=1755306676"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/8125J81ZBE11_43636165_77a56c27.jpg?v=1755306676","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eProduct Description for LITTELFUSE \/ C\u0026amp;K COMPONENTS Pushbutton Switch (Part Number: 8125J81ZBE11)\u003c\/h3\u003e\n\u003cp\u003eEnhance your electronic applications with the high-quality SPDT On-Mom Pushbutton Switch from the 8020 Series by LITTELFUSE \/ C\u0026amp;K COMPONENTS. Designed for reliable performance in instrumentation, computer peripherals, and telecommunications equipment, this switch offers precise tactile feedback and versatile mounting options.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 8125J81ZBE11\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e LITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Vietnam (VN)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit of Measure (UOM):\u003c\/strong\u003e Each (EA)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e Not specified\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-ck\/8020.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePositive tactile feel for reliable actuation\u003c\/li\u003e\n\u003cli\u003eSingle-pole double-throw (SPDT) configuration for versatile switching\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\u003cli\u003eWide variety of termination options to suit different mounting requirements\u003c\/li\u003e\n\u003cli\u003eElectrical life of 60,000 make-and-break cycles at full load\u003c\/li\u003e\n\u003cli\u003eContact resistance below 50 mΩ initially\u003c\/li\u003e\n\u003cli\u003eInsulation resistance of at least 10^9 Ω\u003c\/li\u003e\n\u003cli\u003eDielectric strength of 1,000 Vrms at sea level\u003c\/li\u003e\n\u003cli\u003eOperating temperature range: -30°C to 75°C\u003c\/li\u003e\n\u003cli\u003eBuild with durable materials including glass-filled nylon, stainless steel, brass, and zinc\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n\u003ctr\u003e\n\u003cth\u003eContact Rating\u003c\/th\u003e\n\u003ctd\u003e0.4 VA max. @ 20 V AC\/DC (B contact material)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eElectrical Life\u003c\/th\u003e\n\u003ctd\u003e60,000 cycles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eContact Resistance\u003c\/th\u003e\n\u003ctd\u003eBelow 50 mΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInsulation Resistance\u003c\/th\u003e\n\u003ctd\u003e≥ 10^9 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDielectric Strength\u003c\/th\u003e\n\u003ctd\u003e≥ 1,000 Vrms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating Temperature\u003c\/th\u003e\n\u003ctd\u003e-30°C to 75°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBuild Material\u003c\/th\u003e\n\u003ctd\u003eGlass-filled nylon, stainless steel, brass, zinc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eContact Materials\u003c\/th\u003e\n\u003ctd\u003e8X25 Models: Copper alloy with gold plate over nickel; 8X21, U8X1 Models: Coin silver with gold plate over nickel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTerminal Seal\u003c\/th\u003e\n\u003ctd\u003eEpoxy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSPDT On-Mom switch with a 0.4 VA contact rating\u003c\/li\u003e\n\u003cli\u003eMultiple termination options including right-angle, PC thru-hole, solder lug, and snap-in configurations\u003c\/li\u003e\n\u003cli\u003eDurable case made from UL 94V-0 flame-retardant materials\u003c\/li\u003e\n\u003cli\u003eAvailable with various frame and cap colors, including white, red, orange, yellow, green, blue, and gray\u003c\/li\u003e\n\u003cli\u003eOptional LED indicator versions available\u003c\/li\u003e\n\u003cli\u003eDesigned for easy mounting and reliable operation in demanding environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cp\u003eFor specific and custom switch configurations, please consult the Customer Service Center. All models feature epoxy terminal seals and are compatible with all “bottom-wash” PCB cleaning methods.\u003c\/p\u003e\n\u003cp\u003eNote: Specifications and materials listed are for standard options. For custom options, refer to the datasheet or contact the manufacturer.\u003c\/p\u003e\n\u003cp\u003eFor more detailed information, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-ck\/8020.pdf\" target=\"_blank\"\u003efull datasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eDisclaimer: The datasheet was not processed; please search the internet for the part number 8125J81ZBE11 for additional details.\u003c\/p\u003e\u003cbr\u003e"}
