The CK PTS125SM85-2LFS is a high-quality tactile switch manufactured by LITTELFUSE / C&K COMPONENTS, made in China (COO: CN). Designed for reliable operation in various electronic applications, this switch features a 12 mm tactile actuation with a force of 180gF and a maximum voltage of 12 VDC. It is RoHS compliant and available in a standard packaging unit of each (EA).
Key Features & Benefits
12 mm tactile switch with a snap-fit actuator option
Available with THT and SMT terminations for versatile mounting options
Long-lasting with high responsiveness, suitable for industrial, consumer, instrumentation, and computing equipment
Electrical ratings: Max. Voltage 12 VDC, Max. Current 50 mA
Mechanical specifications include contact resistance < 100 mΩ and dielectric strength of 250 V AC for 1 minute
Reliable bounce time of less than 5 ms
RoHS compliant, silver-plated contacts
Specifications
Function
Momentary action
Contact Arrangement
1 make contact, SPST, N.O.
Terminals
PC pins for THT and G type for SMT
Travel
130 gf 0.20 mm, 180 gf 0.25 mm, 250 gf 0.30 mm, 350 gf 0.35 mm
Packaging
Dimensions of reels according to EIA 481B; External diameter 330 mm
Electrical & Mechanical Specifications
Max. Voltage
12 VDC
Max. Current
50 mA
Dielectric Strength
250 V AC (1 min)
Contact Resistance
< 100 mΩ
Insulation Resistance
> 100 MΩ
Soldering Style
THT
Height
All heights available, including 8.5 mm
Packaging
Plastic bag, parts per packaging: 500
Product Options & Ordering
The PTS125 series offers various actuator heights, actuation forces, and termination options. For example, the 8.5 mm round actuator version is RoHS compliant and suitable for applications requiring a compact tactile switch with high reliability. Custom options and different life cycle ratings are available; please consult the datasheet for detailed configurations.
Additional Information
For detailed mechanical drawings, recommended PCB layouts, and schematic diagrams, please refer to the datasheet.
Note: The specifications listed are for standard options. For custom configurations or specific applications, contact your local C&K representative.
Disclaimer
Specifications are subject to change without notice. The PTS series is not certified for automotive applications and no PPAP is available. Please verify suitability for your application before use.
{"id":10027965120829,"title":"PTS125SM85-2LFS","handle":"pts125sm85-2lfs","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eCK PTS125SM85-2LFS\u003c\/strong\u003e is a high-quality tactile switch manufactured by \u003cstrong\u003eLITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/strong\u003e, made in China (COO: CN). Designed for reliable operation in various electronic applications, this switch features a 12 mm tactile actuation with a force of 180gF and a maximum voltage of 12 VDC. It is RoHS compliant and available in a standard packaging unit of each (EA).\u003c\/p\u003e\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e12 mm tactile switch with a snap-fit actuator option\u003c\/li\u003e\n\u003cli\u003eAvailable with THT and SMT terminations for versatile mounting options\u003c\/li\u003e\n\u003cli\u003eLong-lasting with high responsiveness, suitable for industrial, consumer, instrumentation, and computing equipment\u003c\/li\u003e\n\u003cli\u003eElectrical ratings: Max. Voltage 12 VDC, Max. Current 50 mA\u003c\/li\u003e\n\u003cli\u003eMechanical specifications include contact resistance \u0026lt; 100 mΩ and dielectric strength of 250 V AC for 1 minute\u003c\/li\u003e\n\u003cli\u003eReliable bounce time of less than 5 ms\u003c\/li\u003e\n\u003cli\u003eRoHS compliant, silver-plated contacts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003ctd\u003eMomentary action\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eContact Arrangement\u003c\/th\u003e\n\u003ctd\u003e1 make contact, SPST, N.O.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTerminals\u003c\/th\u003e\n\u003ctd\u003ePC pins for THT and G type for SMT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTravel\u003c\/th\u003e\n\u003ctd\u003e130 gf 0.20 mm, 180 gf 0.25 mm, 250 gf 0.30 mm, 350 gf 0.35 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackaging\u003c\/th\u003e\n\u003ctd\u003eDimensions of reels according to EIA 481B; External diameter 330 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eElectrical \u0026amp; Mechanical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMax. Voltage\u003c\/th\u003e\n\u003ctd\u003e12 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMax. Current\u003c\/th\u003e\n\u003ctd\u003e50 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDielectric Strength\u003c\/th\u003e\n\u003ctd\u003e250 V AC (1 min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eContact Resistance\u003c\/th\u003e\n\u003ctd\u003e\u0026lt; 100 mΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInsulation Resistance\u003c\/th\u003e\n\u003ctd\u003e\u0026gt; 100 MΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSoldering Style\u003c\/th\u003e\n\u003ctd\u003eTHT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeight\u003c\/th\u003e\n\u003ctd\u003eAll heights available, including 8.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackaging\u003c\/th\u003e\n\u003ctd\u003ePlastic bag, parts per packaging: 500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eProduct Options \u0026amp; Ordering\u003c\/h3\u003e\n\u003cp\u003eThe PTS125 series offers various actuator heights, actuation forces, and termination options. For example, the 8.5 mm round actuator version is RoHS compliant and suitable for applications requiring a compact tactile switch with high reliability. Custom options and different life cycle ratings are available; please consult the datasheet for detailed configurations.\u003c\/p\u003e\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cp\u003eFor detailed mechanical drawings, recommended PCB layouts, and schematic diagrams, please refer to the \u003ca href=\"https:\/\/ckswitches.com\/media\/1462\/pts125.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e The specifications listed are for standard options. For custom configurations or specific applications, contact your local C\u0026amp;K representative.\u003c\/p\u003e\n\u003ch3\u003eDisclaimer\u003c\/h3\u003e\n\u003cp\u003eSpecifications are subject to change without notice. The PTS series is not certified for automotive applications and no PPAP is available. Please verify suitability for your application before use.\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-16T05:18:27+05:30","created_at":"2025-08-16T05:18:28+05:30","vendor":"Waldom Electonics","type":"Switches","tags":["12VDC","5mm","IMPORT_CSV","IMPORT_PT2","Keypad","LITTE-CKCO","Switch","WLDM"],"price":2938,"price_min":2938,"price_max":2938,"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":50626363785533,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"PTS125SM85-2LFS","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"PTS125SM85-2LFS","public_title":null,"options":["Default Title"],"price":2938,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"PTS125SM85-2LFS","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/52337687.png?v=1755301710"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/52337687.png?v=1755301710","options":["Title"],"media":[{"alt":null,"id":45862540345661,"position":1,"preview_image":{"aspect_ratio":1.0,"height":400,"width":400,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/52337687.png?v=1755301710"},"aspect_ratio":1.0,"height":400,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/52337687.png?v=1755301710","width":400}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eCK PTS125SM85-2LFS\u003c\/strong\u003e is a high-quality tactile switch manufactured by \u003cstrong\u003eLITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/strong\u003e, made in China (COO: CN). Designed for reliable operation in various electronic applications, this switch features a 12 mm tactile actuation with a force of 180gF and a maximum voltage of 12 VDC. It is RoHS compliant and available in a standard packaging unit of each (EA).\u003c\/p\u003e\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e12 mm tactile switch with a snap-fit actuator option\u003c\/li\u003e\n\u003cli\u003eAvailable with THT and SMT terminations for versatile mounting options\u003c\/li\u003e\n\u003cli\u003eLong-lasting with high responsiveness, suitable for industrial, consumer, instrumentation, and computing equipment\u003c\/li\u003e\n\u003cli\u003eElectrical ratings: Max. Voltage 12 VDC, Max. Current 50 mA\u003c\/li\u003e\n\u003cli\u003eMechanical specifications include contact resistance \u0026lt; 100 mΩ and dielectric strength of 250 V AC for 1 minute\u003c\/li\u003e\n\u003cli\u003eReliable bounce time of less than 5 ms\u003c\/li\u003e\n\u003cli\u003eRoHS compliant, silver-plated contacts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003ctd\u003eMomentary action\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eContact Arrangement\u003c\/th\u003e\n\u003ctd\u003e1 make contact, SPST, N.O.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTerminals\u003c\/th\u003e\n\u003ctd\u003ePC pins for THT and G type for SMT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTravel\u003c\/th\u003e\n\u003ctd\u003e130 gf 0.20 mm, 180 gf 0.25 mm, 250 gf 0.30 mm, 350 gf 0.35 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackaging\u003c\/th\u003e\n\u003ctd\u003eDimensions of reels according to EIA 481B; External diameter 330 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eElectrical \u0026amp; Mechanical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMax. Voltage\u003c\/th\u003e\n\u003ctd\u003e12 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMax. Current\u003c\/th\u003e\n\u003ctd\u003e50 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDielectric Strength\u003c\/th\u003e\n\u003ctd\u003e250 V AC (1 min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eContact Resistance\u003c\/th\u003e\n\u003ctd\u003e\u0026lt; 100 mΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInsulation Resistance\u003c\/th\u003e\n\u003ctd\u003e\u0026gt; 100 MΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSoldering Style\u003c\/th\u003e\n\u003ctd\u003eTHT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeight\u003c\/th\u003e\n\u003ctd\u003eAll heights available, including 8.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackaging\u003c\/th\u003e\n\u003ctd\u003ePlastic bag, parts per packaging: 500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eProduct Options \u0026amp; Ordering\u003c\/h3\u003e\n\u003cp\u003eThe PTS125 series offers various actuator heights, actuation forces, and termination options. For example, the 8.5 mm round actuator version is RoHS compliant and suitable for applications requiring a compact tactile switch with high reliability. Custom options and different life cycle ratings are available; please consult the datasheet for detailed configurations.\u003c\/p\u003e\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cp\u003eFor detailed mechanical drawings, recommended PCB layouts, and schematic diagrams, please refer to the \u003ca href=\"https:\/\/ckswitches.com\/media\/1462\/pts125.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e The specifications listed are for standard options. For custom configurations or specific applications, contact your local C\u0026amp;K representative.\u003c\/p\u003e\n\u003ch3\u003eDisclaimer\u003c\/h3\u003e\n\u003cp\u003eSpecifications are subject to change without notice. The PTS series is not certified for automotive applications and no PPAP is available. Please verify suitability for your application before use.\u003c\/p\u003e\u003cbr\u003e"}
