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LITTELFUSE
BTND640F
Product Description: Switch Actuators Key Switch BUTTON
Introducing the LITTELFUSE / C&K COMPONENTS CK Part Number: BTND640F , a high-quality switch actuator designed for electronic applications requiring reliable tactile feedback and durable performance. Manufactured in China (COO: CN), this switch accessory is RoHS compliant, ensuring environmentally friendly standards are met.
Key Features & Benefits:
Easy X, Y coding on a single side PCB for simplified assembly
Positive tactile feedback for precise operation
High-temperature resistance suitable for demanding environments
Wide variety of colors and styles for customization
RoHS compliant and compatible with lead-free soldering processes
Product Specifications:
Function
Momentary
Contact Arrangement
1 make contact (SPST), NO
Distance Between Button Centers
Min. 12.7 mm (0.500 inch)
Terminals
PC pins
Electrical
Switching Power Max.: 3 VA
Switching Voltage Max.: 32 V DC
Switching Current Max.: 100 mA DC
Dielectric Strength: 250 V (50 Hz / 1 min)
Operating Life: 250,000 operations at max. switching power
Contact Resistance: ≤ 100 mΩ
Insulation Resistance: ≥ 10^8 Ω
Bounce Time: ≤ 10 ms
Packaging
Boxes containing 10 trays with 250 pieces each (Total 2,500 pieces per box). Buttons shipped in bulk.
Switching Travel
Version F1: 0.2 mm ≤ Te ≤ 1.0 mm
Version F2: 0.3 mm ≤ Te ≤ 1.1 mm
Operating Force
Version F1: 0.8 N ≤ Fa ≤ 1.8 N
Version F2: 2.0 N ≤ Fa ≤ 3.5 N
Environmental
Operating Temperature: -20°C to 85°C
Solderability
Wave soldering: Compatible with lead-free soldering profile
Hand soldering: 350°C for 3 seconds
Series Options: D6C (Square), D6R (Round)
Button Colors Available: 00 (White), 10 (Gray), 30 (Yellow), 40 (Red), 50 (Green), 60 (Blue), 90 (Black)
Part Number: BTND640F
Manufacturer: LITTELFUSE / C&K COMPONENTS
Country of Origin: CN
UOM: EA
ECCN: EAR99
Package Type: Bulk with optional tray packaging
Datasheet
Note: The datasheet was not processed; please search the internet for the part number BTND640F for more details.
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Manufactured in China (COO: CN), this switch accessory is RoHS compliant, ensuring environmentally friendly standards are met.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features \u0026amp; Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eEasy X, Y coding on a single side PCB for simplified assembly\u003c\/li\u003e\n \u003cli\u003ePositive tactile feedback for precise operation\u003c\/li\u003e\n \u003cli\u003eHigh-temperature resistance suitable for demanding environments\u003c\/li\u003e\n \u003cli\u003eWide variety of colors and styles for customization\u003c\/li\u003e\n \u003cli\u003eRoHS compliant and compatible with lead-free soldering processes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n \u003ctr\u003e\n \u003cth\u003eFunction\u003c\/th\u003e\n \u003ctd\u003eMomentary\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eContact Arrangement\u003c\/th\u003e\n \u003ctd\u003e1 make contact (SPST), NO\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eDistance Between Button Centers\u003c\/th\u003e\n \u003ctd\u003eMin. 12.7 mm (0.500 inch)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eTerminals\u003c\/th\u003e\n \u003ctd\u003ePC pins\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eElectrical\u003c\/th\u003e\n \u003ctd\u003e\n \u003cul\u003e\n \u003cli\u003eSwitching Power Max.: 3 VA\u003c\/li\u003e\n \u003cli\u003eSwitching Voltage Max.: 32 V DC\u003c\/li\u003e\n \u003cli\u003eSwitching Current Max.: 100 mA DC\u003c\/li\u003e\n \u003cli\u003eDielectric Strength: 250 V (50 Hz \/ 1 min)\u003c\/li\u003e\n \u003cli\u003eOperating Life: 250,000 operations at max. switching power\u003c\/li\u003e\n \u003cli\u003eContact Resistance: ≤ 100 mΩ\u003c\/li\u003e\n \u003cli\u003eInsulation Resistance: ≥ 10^8 Ω\u003c\/li\u003e\n \u003cli\u003eBounce Time: ≤ 10 ms\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003ePackaging\u003c\/th\u003e\n \u003ctd\u003eBoxes containing 10 trays with 250 pieces each (Total 2,500 pieces per box). Buttons shipped in bulk.\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eSwitching Travel\u003c\/th\u003e\n \u003ctd\u003e\n \u003cul\u003e\n \u003cli\u003eVersion F1: 0.2 mm ≤ Te ≤ 1.0 mm\u003c\/li\u003e\n \u003cli\u003eVersion F2: 0.3 mm ≤ Te ≤ 1.1 mm\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eOperating Force\u003c\/th\u003e\n \u003ctd\u003e\n \u003cul\u003e\n \u003cli\u003eVersion F1: 0.8 N ≤ Fa ≤ 1.8 N\u003c\/li\u003e\n \u003cli\u003eVersion F2: 2.0 N ≤ Fa ≤ 3.5 N\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eEnvironmental\u003c\/th\u003e\n \u003ctd\u003eOperating Temperature: -20°C to 85°C\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eSolderability\u003c\/th\u003e\n \u003ctd\u003e\n \u003cul\u003e\n \u003cli\u003eWave soldering: Compatible with lead-free soldering profile\u003c\/li\u003e\n \u003cli\u003eHand soldering: 350°C for 3 seconds\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eSeries Options:\u003c\/strong\u003e D6C (Square), D6R (Round)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eButton Colors Available:\u003c\/strong\u003e 00 (White), 10 (Gray), 30 (Yellow), 40 (Red), 50 (Green), 60 (Blue), 90 (Black)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e BTND640F\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 Bulk with optional tray packaging\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-ck\/d6.pdf\" target=\"_blank\"\u003eDatasheet\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNote: The datasheet was not processed; please search the internet for the part number BTND640F for more details.\u003c\/em\u003e\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-16T01:11:48+05:30","created_at":"2025-08-16T01:11:48+05:30","vendor":"Waldom Electonics","type":"Switch Accessories","tags":["IMPORT_CSV","IMPORT_PT2","LITTE-CKCO","Switch","WLDM"],"price":5544,"price_min":5544,"price_max":5544,"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":50625694040381,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"BTND640F","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"BTND640F","public_title":null,"options":["Default Title"],"price":5544,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"BTND640F","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/BTND640F_11115368_284cead7.jpg?v=1755286911"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/BTND640F_11115368_284cead7.jpg?v=1755286911","options":["Title"],"media":[{"alt":null,"id":45859167600957,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/BTND640F_11115368_284cead7.jpg?v=1755286911"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/BTND640F_11115368_284cead7.jpg?v=1755286911","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eProduct Description: Switch Actuators Key Switch BUTTON\u003c\/h3\u003e\n\u003cp\u003eIntroducing the LITTELFUSE \/ C\u0026amp;K COMPONENTS CK Part Number: \u003cstrong\u003eBTND640F\u003c\/strong\u003e, a high-quality switch actuator designed for electronic applications requiring reliable tactile feedback and durable performance. Manufactured in China (COO: CN), this switch accessory is RoHS compliant, ensuring environmentally friendly standards are met.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features \u0026amp; Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eEasy X, Y coding on a single side PCB for simplified assembly\u003c\/li\u003e\n \u003cli\u003ePositive tactile feedback for precise operation\u003c\/li\u003e\n \u003cli\u003eHigh-temperature resistance suitable for demanding environments\u003c\/li\u003e\n \u003cli\u003eWide variety of colors and styles for customization\u003c\/li\u003e\n \u003cli\u003eRoHS compliant and compatible with lead-free soldering processes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n \u003ctr\u003e\n \u003cth\u003eFunction\u003c\/th\u003e\n \u003ctd\u003eMomentary\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eContact Arrangement\u003c\/th\u003e\n \u003ctd\u003e1 make contact (SPST), NO\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eDistance Between Button Centers\u003c\/th\u003e\n \u003ctd\u003eMin. 12.7 mm (0.500 inch)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eTerminals\u003c\/th\u003e\n \u003ctd\u003ePC pins\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eElectrical\u003c\/th\u003e\n \u003ctd\u003e\n \u003cul\u003e\n \u003cli\u003eSwitching Power Max.: 3 VA\u003c\/li\u003e\n \u003cli\u003eSwitching Voltage Max.: 32 V DC\u003c\/li\u003e\n \u003cli\u003eSwitching Current Max.: 100 mA DC\u003c\/li\u003e\n \u003cli\u003eDielectric Strength: 250 V (50 Hz \/ 1 min)\u003c\/li\u003e\n \u003cli\u003eOperating Life: 250,000 operations at max. switching power\u003c\/li\u003e\n \u003cli\u003eContact Resistance: ≤ 100 mΩ\u003c\/li\u003e\n \u003cli\u003eInsulation Resistance: ≥ 10^8 Ω\u003c\/li\u003e\n \u003cli\u003eBounce Time: ≤ 10 ms\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003ePackaging\u003c\/th\u003e\n \u003ctd\u003eBoxes containing 10 trays with 250 pieces each (Total 2,500 pieces per box). Buttons shipped in bulk.\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eSwitching Travel\u003c\/th\u003e\n \u003ctd\u003e\n \u003cul\u003e\n \u003cli\u003eVersion F1: 0.2 mm ≤ Te ≤ 1.0 mm\u003c\/li\u003e\n \u003cli\u003eVersion F2: 0.3 mm ≤ Te ≤ 1.1 mm\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eOperating Force\u003c\/th\u003e\n \u003ctd\u003e\n \u003cul\u003e\n \u003cli\u003eVersion F1: 0.8 N ≤ Fa ≤ 1.8 N\u003c\/li\u003e\n \u003cli\u003eVersion F2: 2.0 N ≤ Fa ≤ 3.5 N\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eEnvironmental\u003c\/th\u003e\n \u003ctd\u003eOperating Temperature: -20°C to 85°C\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eSolderability\u003c\/th\u003e\n \u003ctd\u003e\n \u003cul\u003e\n \u003cli\u003eWave soldering: Compatible with lead-free soldering profile\u003c\/li\u003e\n \u003cli\u003eHand soldering: 350°C for 3 seconds\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eSeries Options:\u003c\/strong\u003e D6C (Square), D6R (Round)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eButton Colors Available:\u003c\/strong\u003e 00 (White), 10 (Gray), 30 (Yellow), 40 (Red), 50 (Green), 60 (Blue), 90 (Black)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e BTND640F\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 Bulk with optional tray packaging\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-ck\/d6.pdf\" target=\"_blank\"\u003eDatasheet\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNote: The datasheet was not processed; please search the internet for the part number BTND640F for more details.\u003c\/em\u003e\u003c\/p\u003e\u003cbr\u003e"}
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