The CK PTS641TM31SMTR2LFS is a high-reliability tactile switch manufactured by LITTELFUSE / C&K COMPONENTS in China. Designed for surface-mount technology (SMT), this switch features a momentary action contact arrangement with a single make contact (SPST, N.O.), ideal for applications requiring precise and responsive user input.
Key Features & Benefits:
6.3 x 6.3 mm footprint for compact design
Multiple height options: 2.5 mm, 3.1 mm, or 3.4 mm
Ground pin option available for enhanced grounding
RoHS compliant and silver plated for durability and environmental compliance
Available in tape & reel packaging for automated assembly
Electrical Characteristics:
Max. Voltage
12 VDC
Max. Current DC
50 mA
Dielectric Strength
250 VA (1 min)
Contact Resistance
100 mΩ
Insulation Resistance
≥ 100 MΩ
Bounce Time
< 5 ms
Mechanical Characteristics:
Travel
0.20 mm ±0.15 mm (160 & 250 gf), 0.30 mm ±0.15 mm (320 gf)
For detailed specifications and custom options, please refer to the Datasheet.
Order the switch using the format: PTS641 - x - x - xx - SMTR2 - LFS, selecting desired options for ground pin, actuation force, and height.
This product is suitable for applications in metering, home and garden equipment, and white goods. It is not certified for automotive use but is widely used in specific automotive accessories for 2 and 3-wheeled vehicles.
Disclaimer: Information furnished is believed to be accurate and reliable. Users should independently evaluate the suitability of this product for their applications. For more details, visit disclaimer page.
{"id":10027879301437,"title":"PTS641TM31SMTR2LFS","handle":"pts641tm31smtr2lfs","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eCK PTS641TM31SMTR2LFS\u003c\/strong\u003e is a high-reliability tactile switch manufactured by \u003cstrong\u003eLITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/strong\u003e in China. Designed for surface-mount technology (SMT), this switch features a momentary action contact arrangement with a single make contact (SPST, N.O.), ideal for applications requiring precise and responsive user input.\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 compact design\u003c\/li\u003e\n\u003cli\u003eMultiple height options: 2.5 mm, 3.1 mm, or 3.4 mm\u003c\/li\u003e\n\u003cli\u003eGround pin option available for enhanced grounding\u003c\/li\u003e\n\u003cli\u003eRoHS compliant and silver plated for durability and environmental compliance\u003c\/li\u003e\n\u003cli\u003eAvailable in tape \u0026amp; reel packaging for automated assembly\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\u003e12 VDC\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMax. Current DC\u003c\/th\u003e\n\u003cth\u003e50 mA\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDielectric Strength\u003c\/th\u003e\n\u003cth\u003e250 VA (1 min)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eContact Resistance\u003c\/th\u003e\n\u003cth\u003e100 mΩ\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInsulation Resistance\u003c\/th\u003e\n\u003cth\u003e≥ 100 MΩ\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBounce Time\u003c\/th\u003e\n\u003cth\u003e\u0026lt; 5 ms\u003c\/th\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\u003e0.20 mm ±0.15 mm (160 \u0026amp; 250 gf), 0.30 mm ±0.15 mm (320 gf)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating Life\u003c\/th\u003e\n\u003cth\u003e200,000 cycles (160 gf), 100,000 cycles (250 \u0026amp; 320 gf)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating Force\u003c\/th\u003e\n\u003cth\u003e160 gf ±50 gf (blue actuator), 250 gf ±50 gf (red actuator), 320 gf ±80 gf (black actuator)\u003c\/th\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\u003e2.5 mm, 3.1 mm, 3.4 mm\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDiameter\u003c\/th\u003e\n\u003cth\u003eØ 3 mm\u003c\/th\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\u003eOrder the switch using the format: \u003cstrong\u003ePTS641 - x - x - xx - SMTR2 - LFS\u003c\/strong\u003e, selecting desired options for ground pin, actuation force, and height.\u003c\/p\u003e\n\u003cp\u003eThis product is suitable for applications in metering, home and garden equipment, and white goods. It is not certified for automotive use but is widely used in specific automotive accessories for 2 and 3-wheeled vehicles.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e PTS641TM31SMTR2LFS\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\u003eUnit of Measure:\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 \u0026amp; Reel\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/ckswitches.com\/media\/1472\/pts641.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eDisclaimer: Information furnished is believed to be accurate and reliable. Users should independently evaluate the suitability of this product for their applications. For more details, visit \u003ca href=\"http:\/\/www.littelfuse.com\/disclaimer-electronics\" target=\"_blank\"\u003edisclaimer page\u003c\/a\u003e.\u003c\/em\u003e\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-16T04:09:30+05:30","created_at":"2025-08-16T04:09:30+05:30","vendor":"Waldom Electonics","type":"","tags":["IMPORT_CSV","IMPORT_PT2","LITTE-CKCO","SPST","Switch","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":50626236973373,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"PTS641TM31SMTR2LFS","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"PTS641TM31SMTR2LFS","public_title":null,"options":["Default Title"],"price":1816,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"PTS641TM31SMTR2LFS","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/PTS641TM31SMTR2LFS_48235183_7117de80.jpg?v=1755297574"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/PTS641TM31SMTR2LFS_48235183_7117de80.jpg?v=1755297574","options":["Title"],"media":[{"alt":null,"id":45861562843453,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/PTS641TM31SMTR2LFS_48235183_7117de80.jpg?v=1755297574"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/PTS641TM31SMTR2LFS_48235183_7117de80.jpg?v=1755297574","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eCK PTS641TM31SMTR2LFS\u003c\/strong\u003e is a high-reliability tactile switch manufactured by \u003cstrong\u003eLITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/strong\u003e in China. Designed for surface-mount technology (SMT), this switch features a momentary action contact arrangement with a single make contact (SPST, N.O.), ideal for applications requiring precise and responsive user input.\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 compact design\u003c\/li\u003e\n\u003cli\u003eMultiple height options: 2.5 mm, 3.1 mm, or 3.4 mm\u003c\/li\u003e\n\u003cli\u003eGround pin option available for enhanced grounding\u003c\/li\u003e\n\u003cli\u003eRoHS compliant and silver plated for durability and environmental compliance\u003c\/li\u003e\n\u003cli\u003eAvailable in tape \u0026amp; reel packaging for automated assembly\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\u003e12 VDC\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMax. Current DC\u003c\/th\u003e\n\u003cth\u003e50 mA\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDielectric Strength\u003c\/th\u003e\n\u003cth\u003e250 VA (1 min)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eContact Resistance\u003c\/th\u003e\n\u003cth\u003e100 mΩ\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInsulation Resistance\u003c\/th\u003e\n\u003cth\u003e≥ 100 MΩ\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBounce Time\u003c\/th\u003e\n\u003cth\u003e\u0026lt; 5 ms\u003c\/th\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\u003e0.20 mm ±0.15 mm (160 \u0026amp; 250 gf), 0.30 mm ±0.15 mm (320 gf)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating Life\u003c\/th\u003e\n\u003cth\u003e200,000 cycles (160 gf), 100,000 cycles (250 \u0026amp; 320 gf)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating Force\u003c\/th\u003e\n\u003cth\u003e160 gf ±50 gf (blue actuator), 250 gf ±50 gf (red actuator), 320 gf ±80 gf (black actuator)\u003c\/th\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\u003e2.5 mm, 3.1 mm, 3.4 mm\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDiameter\u003c\/th\u003e\n\u003cth\u003eØ 3 mm\u003c\/th\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\u003eOrder the switch using the format: \u003cstrong\u003ePTS641 - x - x - xx - SMTR2 - LFS\u003c\/strong\u003e, selecting desired options for ground pin, actuation force, and height.\u003c\/p\u003e\n\u003cp\u003eThis product is suitable for applications in metering, home and garden equipment, and white goods. It is not certified for automotive use but is widely used in specific automotive accessories for 2 and 3-wheeled vehicles.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e PTS641TM31SMTR2LFS\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\u003eUnit of Measure:\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 \u0026amp; Reel\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/ckswitches.com\/media\/1472\/pts641.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eDisclaimer: Information furnished is believed to be accurate and reliable. Users should independently evaluate the suitability of this product for their applications. For more details, visit \u003ca href=\"http:\/\/www.littelfuse.com\/disclaimer-electronics\" target=\"_blank\"\u003edisclaimer page\u003c\/a\u003e.\u003c\/em\u003e\u003c\/p\u003e\u003cbr\u003e"}
