The CK PTS641TK31SMTR2LFS series tactile switches from LITTELFUSE / C&K COMPONENTS are high-reliability SMT top actuated switches designed for applications in home and garden equipment, white goods, and metering industries. These switches feature a compact 6.3 x 6.3mm footprint with multiple height options and a ground pin configuration, providing versatile mounting and performance options.
Key Features & Benefits:
6.3 x 6.3 mm footprint for space-efficient design
Available with ground pin option for enhanced grounding
Multiple heights: 2.5mm, 3.1mm, and 3.4mm
RoHS compliant and silver plated contacts
Reliable momentary action contact with SPST (N.O.) contact arrangement
Mechanical travel of approximately 0.20mm to 0.30mm depending on force
Electrical ratings up to 12 VDC and 50 mA current capacity
Operating life of up to 200,000 cycles (160 gf version)
Electrical Characteristics:
Max. Voltage
Max. Current DC
Dielectric Strength
Contact Resistance
Insulation Resistance
Bounce Time
12 VDC
50 mA
250 VA C (1 min)
100 mΩ
≥ 100 MΩ
< 5 ms
Mechanical Characteristics:
Travel
Operating Life
Operating Force
0.20 mm ±0.15 mm (160 & 250 gf), 0.30 mm ±0.15 mm (320 gf)
{"id":10027879268669,"title":"PTS641TK31SMTR2LFS","handle":"pts641tk31smtr2lfs","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eCK PTS641TK31SMTR2LFS\u003c\/strong\u003e series tactile switches from \u003cstrong\u003eLITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/strong\u003e are high-reliability SMT top actuated switches designed for applications in home and garden equipment, white goods, and metering industries. These switches feature a compact 6.3 x 6.3mm footprint with multiple height options and a ground pin configuration, providing versatile mounting and performance options.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features \u0026amp; Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e6.3 x 6.3 mm footprint for space-efficient design\u003c\/li\u003e\n\u003cli\u003eAvailable with ground pin option for enhanced grounding\u003c\/li\u003e\n\u003cli\u003eMultiple heights: 2.5mm, 3.1mm, and 3.4mm\u003c\/li\u003e\n\u003cli\u003eRoHS compliant and silver plated contacts\u003c\/li\u003e\n\u003cli\u003eReliable momentary action contact with SPST (N.O.) contact arrangement\u003c\/li\u003e\n\u003cli\u003eMechanical travel of approximately 0.20mm to 0.30mm depending on force\u003c\/li\u003e\n\u003cli\u003eElectrical ratings up to 12 VDC and 50 mA current capacity\u003c\/li\u003e\n\u003cli\u003eOperating life of up to 200,000 cycles (160 gf version)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eElectrical Characteristics:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMax. Voltage\u003c\/th\u003e\n\u003cth\u003eMax. Current DC\u003c\/th\u003e\n\u003cth\u003eDielectric Strength\u003c\/th\u003e\n\u003cth\u003eContact Resistance\u003c\/th\u003e\n\u003cth\u003eInsulation Resistance\u003c\/th\u003e\n\u003cth\u003eBounce Time\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e12 VDC\u003c\/td\u003e\n\u003ctd\u003e50 mA\u003c\/td\u003e\n\u003ctd\u003e250 VA C (1 min)\u003c\/td\u003e\n\u003ctd\u003e100 mΩ\u003c\/td\u003e\n\u003ctd\u003e≥ 100 MΩ\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 5 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eMechanical Characteristics:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eTravel\u003c\/th\u003e\n\u003cth\u003eOperating Life\u003c\/th\u003e\n\u003cth\u003eOperating Force\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e0.20 mm ±0.15 mm (160 \u0026amp; 250 gf), 0.30 mm ±0.15 mm (320 gf)\u003c\/td\u003e\n\u003ctd\u003e200,000 cycles (160 gf), 100,000 cycles (250 \u0026amp; 320 gf)\u003c\/td\u003e\n\u003ctd\u003e160 gf ±50 gf (blue actuator), 250 gf ±50 gf (red actuator), 320 gf ±80 gf (black actuator)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003ePhysical Dimensions:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eHeight Options\u003c\/th\u003e\n\u003cth\u003eGround Pin\u003c\/th\u003e\n\u003cth\u003ePackage Type\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2.5mm, 3.1mm, 3.4mm\u003c\/td\u003e\n\u003ctd\u003eYes or No (see ordering options)\u003c\/td\u003e\n\u003ctd\u003eTape \u0026amp; Reel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003eFor detailed specifications and custom options, please refer to the \u003ca href=\"https:\/\/ckswitches.com\/media\/1472\/pts641.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e PTS641TK31SMTR2LFS\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 TAPE\u003c\/p\u003e\n\u003cp\u003eNote: Datasheet was not processed please search the internet for the part number for more details.\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-16T04:09:28+05:30","created_at":"2025-08-16T04:09:28+05:30","vendor":"Waldom Electonics","type":"Switches","tags":["1mm","250VAC","IMPORT_CSV","IMPORT_PT2","LITTE-CKCO","SW","Switches","Tactile","WLDM"],"price":1816,"price_min":1816,"price_max":1816,"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":50626236940605,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"PTS641TK31SMTR2LFS","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"PTS641TK31SMTR2LFS","public_title":null,"options":["Default Title"],"price":1816,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"PTS641TK31SMTR2LFS","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/PTS641TK31SMTR2LFS_48235180_babc76ee.jpg?v=1755297572"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/PTS641TK31SMTR2LFS_48235180_babc76ee.jpg?v=1755297572","options":["Title"],"media":[{"alt":null,"id":45861562745149,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/PTS641TK31SMTR2LFS_48235180_babc76ee.jpg?v=1755297572"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/PTS641TK31SMTR2LFS_48235180_babc76ee.jpg?v=1755297572","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eCK PTS641TK31SMTR2LFS\u003c\/strong\u003e series tactile switches from \u003cstrong\u003eLITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/strong\u003e are high-reliability SMT top actuated switches designed for applications in home and garden equipment, white goods, and metering industries. These switches feature a compact 6.3 x 6.3mm footprint with multiple height options and a ground pin configuration, providing versatile mounting and performance options.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features \u0026amp; Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e6.3 x 6.3 mm footprint for space-efficient design\u003c\/li\u003e\n\u003cli\u003eAvailable with ground pin option for enhanced grounding\u003c\/li\u003e\n\u003cli\u003eMultiple heights: 2.5mm, 3.1mm, and 3.4mm\u003c\/li\u003e\n\u003cli\u003eRoHS compliant and silver plated contacts\u003c\/li\u003e\n\u003cli\u003eReliable momentary action contact with SPST (N.O.) contact arrangement\u003c\/li\u003e\n\u003cli\u003eMechanical travel of approximately 0.20mm to 0.30mm depending on force\u003c\/li\u003e\n\u003cli\u003eElectrical ratings up to 12 VDC and 50 mA current capacity\u003c\/li\u003e\n\u003cli\u003eOperating life of up to 200,000 cycles (160 gf version)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eElectrical Characteristics:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMax. Voltage\u003c\/th\u003e\n\u003cth\u003eMax. Current DC\u003c\/th\u003e\n\u003cth\u003eDielectric Strength\u003c\/th\u003e\n\u003cth\u003eContact Resistance\u003c\/th\u003e\n\u003cth\u003eInsulation Resistance\u003c\/th\u003e\n\u003cth\u003eBounce Time\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e12 VDC\u003c\/td\u003e\n\u003ctd\u003e50 mA\u003c\/td\u003e\n\u003ctd\u003e250 VA C (1 min)\u003c\/td\u003e\n\u003ctd\u003e100 mΩ\u003c\/td\u003e\n\u003ctd\u003e≥ 100 MΩ\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 5 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eMechanical Characteristics:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eTravel\u003c\/th\u003e\n\u003cth\u003eOperating Life\u003c\/th\u003e\n\u003cth\u003eOperating Force\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e0.20 mm ±0.15 mm (160 \u0026amp; 250 gf), 0.30 mm ±0.15 mm (320 gf)\u003c\/td\u003e\n\u003ctd\u003e200,000 cycles (160 gf), 100,000 cycles (250 \u0026amp; 320 gf)\u003c\/td\u003e\n\u003ctd\u003e160 gf ±50 gf (blue actuator), 250 gf ±50 gf (red actuator), 320 gf ±80 gf (black actuator)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003ePhysical Dimensions:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eHeight Options\u003c\/th\u003e\n\u003cth\u003eGround Pin\u003c\/th\u003e\n\u003cth\u003ePackage Type\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2.5mm, 3.1mm, 3.4mm\u003c\/td\u003e\n\u003ctd\u003eYes or No (see ordering options)\u003c\/td\u003e\n\u003ctd\u003eTape \u0026amp; Reel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003eFor detailed specifications and custom options, please refer to the \u003ca href=\"https:\/\/ckswitches.com\/media\/1472\/pts641.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e PTS641TK31SMTR2LFS\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 TAPE\u003c\/p\u003e\n\u003cp\u003eNote: Datasheet was not processed please search the internet for the part number for more details.\u003c\/p\u003e\u003cbr\u003e"}
