Introducing the LITTELFUSE / C&K COMPONENTS 8500 Series Subminiature Pushbutton Switches, designed for reliable performance in networking, computing, telecommunications, and detection applications. These switches are RoHS compliant and feature a robust contact design rated up to 3A, making them suitable for a variety of electronic control and signal switching needs.
Reliable contact design suitable for demanding electronic applications
RoHS compliant for environmentally responsible manufacturing
Available in pre-travel or over-travel models for versatile installation options
Rated up to 3A for dependable switching performance
Ideal for detection, computer peripherals, and telecommunications equipment
Specifications & Options
Switch Function
Model Number
Rating
Travel (inches/mm)
Actuation Force
Contact Material
Terminations
SPST On-Mom.
8534
1 Amp
0.032 (0.81) with overtravel 0.028 (0.71)
10.3 oz (282g)
Silver (Q) or Gold (B)
Solder lug, PC thru-hole, right angle
SPST Off-Mom.
8531
1 Amp
0.095 (2.41) with overtravel 0.042 (1.07)
0.7 oz (220g)
Silver (Q) or Gold (B)
Solder lug, PC thru-hole, right angle
SPST Off-Mom.
8551
3 Amps
0.150 (3.81)
Varies
Silver (Q) or Gold (B)
Solder lug, PC thru-hole, right angle
Physical Dimensions & Mounting Options
Panel mounting with 15/32 bushing or snap-in frame options
Actuators available in 0.150” and 0.210” high plunger options, with color choices including black, red, white, and gray
Epoxy sealed terminals for durability and environmental resistance
Additional Information
All models are epoxy sealed and compatible with all “bottom-wash” PCB cleaning methods. For custom configurations or additional options, please consult the C&K customer service center.
Note: Any models supplied with contact materials Q, B, or G are RoHS compliant. Specifications and materials listed are for standard options. For detailed specifications on custom switches, contact customer service.
For more detailed technical information, please refer to the full datasheet.
Disclaimers: Specifications are subject to change without notice. Please verify all details before procurement.
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These switches are RoHS compliant and feature a robust contact design rated up to 3A, making them suitable for a variety of electronic control and signal switching needs.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Details:\u003c\/strong\u003e Part Number: 8534SZQE3\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:\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.ckswitches.com\/media\/1398\/8500.pdf\" target=\"_blank\"\u003eClick here to view the 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\u003eReliable contact design suitable for demanding electronic applications\u003c\/li\u003e\n\u003cli\u003eRoHS compliant for environmentally responsible manufacturing\u003c\/li\u003e\n\u003cli\u003eAvailable in pre-travel or over-travel models for versatile installation options\u003c\/li\u003e\n\u003cli\u003eRated up to 3A for dependable switching performance\u003c\/li\u003e\n\u003cli\u003eIdeal for detection, computer peripherals, and telecommunications equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications \u0026amp; Options\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n\u003ctr\u003e\n\u003cth\u003eSwitch Function\u003c\/th\u003e\n\u003cth\u003eModel Number\u003c\/th\u003e\n\u003cth\u003eRating\u003c\/th\u003e\n\u003cth\u003eTravel (inches\/mm)\u003c\/th\u003e\n\u003cth\u003eActuation Force\u003c\/th\u003e\n\u003cth\u003eContact Material\u003c\/th\u003e\n\u003cth\u003eTerminations\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSPST On-Mom.\u003c\/td\u003e\n\u003ctd\u003e8534\u003c\/td\u003e\n\u003ctd\u003e1 Amp\u003c\/td\u003e\n\u003ctd\u003e0.032 (0.81) with overtravel 0.028 (0.71)\u003c\/td\u003e\n\u003ctd\u003e10.3 oz (282g)\u003c\/td\u003e\n\u003ctd\u003eSilver (Q) or Gold (B)\u003c\/td\u003e\n\u003ctd\u003eSolder lug, PC thru-hole, right angle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSPST Off-Mom.\u003c\/td\u003e\n\u003ctd\u003e8531\u003c\/td\u003e\n\u003ctd\u003e1 Amp\u003c\/td\u003e\n\u003ctd\u003e0.095 (2.41) with overtravel 0.042 (1.07)\u003c\/td\u003e\n\u003ctd\u003e0.7 oz (220g)\u003c\/td\u003e\n\u003ctd\u003eSilver (Q) or Gold (B)\u003c\/td\u003e\n\u003ctd\u003eSolder lug, PC thru-hole, right angle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSPST Off-Mom.\u003c\/td\u003e\n\u003ctd\u003e8551\u003c\/td\u003e\n\u003ctd\u003e3 Amps\u003c\/td\u003e\n\u003ctd\u003e0.150 (3.81)\u003c\/td\u003e\n\u003ctd\u003eVaries\u003c\/td\u003e\n\u003ctd\u003eSilver (Q) or Gold (B)\u003c\/td\u003e\n\u003ctd\u003eSolder lug, PC thru-hole, right angle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003ePhysical Dimensions \u0026amp; Mounting Options\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePanel mounting with 15\/32 bushing or snap-in frame options\u003c\/li\u003e\n\u003cli\u003eActuators available in 0.150” and 0.210” high plunger options, with color choices including black, red, white, and gray\u003c\/li\u003e\n\u003cli\u003eEpoxy sealed terminals for durability and environmental resistance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cp\u003eAll models are epoxy sealed and compatible with all “bottom-wash” PCB cleaning methods. For custom configurations or additional options, please consult the C\u0026amp;K customer service center.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNote:\u003c\/em\u003e Any models supplied with contact materials Q, B, or G are RoHS compliant. Specifications and materials listed are for standard options. For detailed specifications on custom switches, contact customer service.\u003c\/p\u003e\n\u003cp\u003eFor more detailed technical information, please refer to the \u003ca href=\"https:\/\/www.ckswitches.com\/media\/1398\/8500.pdf\" target=\"_blank\"\u003efull datasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDisclaimers:\u003c\/strong\u003e Specifications are subject to change without notice. Please verify all details before procurement.\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-16T01:25:49+05:30","created_at":"2025-08-16T01:25:49+05:30","vendor":"Waldom Electonics","type":"Switches","tags":["IMPORT_CSV","IMPORT_PT2","LITTE-CKCO","Pushbutton","Switch","WLDM"],"price":57792,"price_min":57792,"price_max":57792,"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":50625721172285,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"8534SZQE3","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"8534SZQE3","public_title":null,"options":["Default Title"],"price":57792,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"8534SZQE3","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/8534SZQE3_11113740_20a08217.jpg?v=1755287752"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/8534SZQE3_11113740_20a08217.jpg?v=1755287752","options":["Title"],"media":[{"alt":null,"id":45859328131389,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/8534SZQE3_11113740_20a08217.jpg?v=1755287752"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/8534SZQE3_11113740_20a08217.jpg?v=1755287752","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eProduct Description for LITTELFUSE \/ C\u0026amp;K COMPONENTS Pushbutton Switches (Part Number: 8534SZQE3)\u003c\/h3\u003e\n\u003cp\u003eIntroducing the LITTELFUSE \/ C\u0026amp;K COMPONENTS 8500 Series Subminiature Pushbutton Switches, designed for reliable performance in networking, computing, telecommunications, and detection applications. These switches are RoHS compliant and feature a robust contact design rated up to 3A, making them suitable for a variety of electronic control and signal switching needs.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Details:\u003c\/strong\u003e Part Number: 8534SZQE3\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:\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.ckswitches.com\/media\/1398\/8500.pdf\" target=\"_blank\"\u003eClick here to view the 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\u003eReliable contact design suitable for demanding electronic applications\u003c\/li\u003e\n\u003cli\u003eRoHS compliant for environmentally responsible manufacturing\u003c\/li\u003e\n\u003cli\u003eAvailable in pre-travel or over-travel models for versatile installation options\u003c\/li\u003e\n\u003cli\u003eRated up to 3A for dependable switching performance\u003c\/li\u003e\n\u003cli\u003eIdeal for detection, computer peripherals, and telecommunications equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications \u0026amp; Options\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n\u003ctr\u003e\n\u003cth\u003eSwitch Function\u003c\/th\u003e\n\u003cth\u003eModel Number\u003c\/th\u003e\n\u003cth\u003eRating\u003c\/th\u003e\n\u003cth\u003eTravel (inches\/mm)\u003c\/th\u003e\n\u003cth\u003eActuation Force\u003c\/th\u003e\n\u003cth\u003eContact Material\u003c\/th\u003e\n\u003cth\u003eTerminations\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSPST On-Mom.\u003c\/td\u003e\n\u003ctd\u003e8534\u003c\/td\u003e\n\u003ctd\u003e1 Amp\u003c\/td\u003e\n\u003ctd\u003e0.032 (0.81) with overtravel 0.028 (0.71)\u003c\/td\u003e\n\u003ctd\u003e10.3 oz (282g)\u003c\/td\u003e\n\u003ctd\u003eSilver (Q) or Gold (B)\u003c\/td\u003e\n\u003ctd\u003eSolder lug, PC thru-hole, right angle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSPST Off-Mom.\u003c\/td\u003e\n\u003ctd\u003e8531\u003c\/td\u003e\n\u003ctd\u003e1 Amp\u003c\/td\u003e\n\u003ctd\u003e0.095 (2.41) with overtravel 0.042 (1.07)\u003c\/td\u003e\n\u003ctd\u003e0.7 oz (220g)\u003c\/td\u003e\n\u003ctd\u003eSilver (Q) or Gold (B)\u003c\/td\u003e\n\u003ctd\u003eSolder lug, PC thru-hole, right angle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSPST Off-Mom.\u003c\/td\u003e\n\u003ctd\u003e8551\u003c\/td\u003e\n\u003ctd\u003e3 Amps\u003c\/td\u003e\n\u003ctd\u003e0.150 (3.81)\u003c\/td\u003e\n\u003ctd\u003eVaries\u003c\/td\u003e\n\u003ctd\u003eSilver (Q) or Gold (B)\u003c\/td\u003e\n\u003ctd\u003eSolder lug, PC thru-hole, right angle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003ePhysical Dimensions \u0026amp; Mounting Options\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePanel mounting with 15\/32 bushing or snap-in frame options\u003c\/li\u003e\n\u003cli\u003eActuators available in 0.150” and 0.210” high plunger options, with color choices including black, red, white, and gray\u003c\/li\u003e\n\u003cli\u003eEpoxy sealed terminals for durability and environmental resistance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cp\u003eAll models are epoxy sealed and compatible with all “bottom-wash” PCB cleaning methods. For custom configurations or additional options, please consult the C\u0026amp;K customer service center.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNote:\u003c\/em\u003e Any models supplied with contact materials Q, B, or G are RoHS compliant. Specifications and materials listed are for standard options. For detailed specifications on custom switches, contact customer service.\u003c\/p\u003e\n\u003cp\u003eFor more detailed technical information, please refer to the \u003ca href=\"https:\/\/www.ckswitches.com\/media\/1398\/8500.pdf\" target=\"_blank\"\u003efull datasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDisclaimers:\u003c\/strong\u003e Specifications are subject to change without notice. Please verify all details before procurement.\u003c\/p\u003e\u003cbr\u003e"}
