Product Description for PTS125 Series Tactile Switches
The CK PTS125 Series 12 mm tactile switches are designed for reliable momentary action applications in various electronic devices. Manufactured by LITTELFUSE / C&K COMPONENTS and compliant with RoHS standards, these switches offer versatile mounting options and robust performance.
Part Number: PTS125SJM73SMTR2LFS Manufacturer: LITTELFUSE / C&K COMPONENTS Country of Origin: CN UOM: EA ECCN: EAR99 Package Type: TAPE Datasheet
Features & Benefits
Suitable for both THT and SMT terminations
Available in various heights, including 4.3 mm, 7.3 mm, 8.5 mm, and 12.0 mm with ribs
Snap fit actuator option for easy assembly
High mechanical durability with an operating life of 200,000 cycles
Reliable electrical performance with a maximum voltage of 12 VDC and current of 50 mA
Low contact resistance (<100 mΩ) and high insulation resistance (>100 MΩ)
Dielectric strength of 250 V AC (1 min)
Technical Specifications
Function
Momentary action
Contact Arrangement
SPST, N.O.
Travel
0.30 mm ± 0.15 mm
Operating Force
180 gf ± 50; 250 gf ± 50 (depending on model)
Max Voltage
12 VDC
Max Current
50 mA
Operating Life
200,000 cycles
Operating Temperature
-20°C to 70°C
Soldering
Infrared reflow (IEC 61760-1) and wave soldering compatible with lead-free soldering profiles
Dimensions & Packaging
Switch Height
4.3 mm, 7.3 mm, 8.5 mm, 12.0 mm (other heights available upon request)
Terminals
PC pins for THT, G type for SMT
Packaging
Plastic bag (THT), Tape & reel (SMT)
Parts per Packaging
500 (THT), 900 (SMT 4.3 mm), 600 (SMT 4.3 mm with pegs), 500 (SMT 7.3 mm), 500 (SMT 7.3 mm with pegs), 500 (SMT 8.5 mm), 400 (SMT 8.5 mm with pegs), 250 (SMT 12 mm)
Additional Details
Snap fit actuator options include round, square, and ribbed actuators at various heights
RoHS compliant with silver-plated contacts
Reel dimensions conform to EIA 481B standards with an external diameter of 330 mm
For more detailed specifications and customization options, please refer to the datasheet.
Note: Specifications and dimensions are subject to change. Please consult the datasheet or contact customer service for specific requirements.
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{"id":10027879465277,"title":"PTS125SJM73SMTR2LFS","handle":"pts125sjm73smtr2lfs","description":"\u003ch3\u003eProduct Description for PTS125 Series Tactile Switches\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eCK PTS125 Series\u003c\/strong\u003e 12 mm tactile switches are designed for reliable momentary action applications in various electronic devices. Manufactured by \u003cstrong\u003eLITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/strong\u003e and compliant with RoHS standards, these switches offer versatile mounting options and robust performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e PTS125SJM73SMTR2LFS\u003cbr\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e LITTELFUSE \/ C\u0026amp;K COMPONENTS\u003cbr\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e CN\u003cbr\u003e\n\u003cstrong\u003eUOM:\u003c\/strong\u003e EA\u003cbr\u003e\n\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003cbr\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e TAPE\u003cbr\u003e\n\u003ca href=\"https:\/\/4donline.ihs.com\/images\/VipMasterIC\/IC\/CKCI\/CKCI-S-A0001404160\/CKCI-S-A0001796640-1.pdf?hkey=82A29B72BDB3BD67C626B77C2F032848\" target=\"_blank\"\u003eDatasheet\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFeatures \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSuitable for both THT and SMT terminations\u003c\/li\u003e\n \u003cli\u003eAvailable in various heights, including 4.3 mm, 7.3 mm, 8.5 mm, and 12.0 mm with ribs\u003c\/li\u003e\n \u003cli\u003eSnap fit actuator option for easy assembly\u003c\/li\u003e\n \u003cli\u003eHigh mechanical durability with an operating life of 200,000 cycles\u003c\/li\u003e\n \u003cli\u003eReliable electrical performance with a maximum voltage of 12 VDC and current of 50 mA\u003c\/li\u003e\n \u003cli\u003eLow contact resistance (\u0026lt;100 mΩ) and high insulation resistance (\u0026gt;100 MΩ)\u003c\/li\u003e\n \u003cli\u003eDielectric strength of 250 V AC (1 min)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\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\u003eSPST, N.O.\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eTravel\u003c\/th\u003e\n \u003ctd\u003e0.30 mm ± 0.15 mm\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eOperating Force\u003c\/th\u003e\n \u003ctd\u003e180 gf ± 50; 250 gf ± 50 (depending on model)\u003c\/td\u003e\n \u003c\/tr\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\u003eOperating Life\u003c\/th\u003e\n \u003ctd\u003e200,000 cycles\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eOperating Temperature\u003c\/th\u003e\n \u003ctd\u003e-20°C to 70°C\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eSoldering\u003c\/th\u003e\n \u003ctd\u003eInfrared reflow (IEC 61760-1) and wave soldering compatible with lead-free soldering profiles\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eDimensions \u0026amp; Packaging\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eSwitch Height\u003c\/th\u003e\n \u003ctd\u003e4.3 mm, 7.3 mm, 8.5 mm, 12.0 mm (other heights available upon request)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eTerminals\u003c\/th\u003e\n \u003ctd\u003ePC pins for THT, G type for SMT\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003ePackaging\u003c\/th\u003e\n \u003ctd\u003ePlastic bag (THT), Tape \u0026amp; reel (SMT)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eParts per Packaging\u003c\/th\u003e\n \u003ctd\u003e500 (THT), 900 (SMT 4.3 mm), 600 (SMT 4.3 mm with pegs), 500 (SMT 7.3 mm), 500 (SMT 7.3 mm with pegs), 500 (SMT 8.5 mm), 400 (SMT 8.5 mm with pegs), 250 (SMT 12 mm)\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSnap fit actuator options include round, square, and ribbed actuators at various heights\u003c\/li\u003e\n \u003cli\u003eRoHS compliant with silver-plated contacts\u003c\/li\u003e\n \u003cli\u003eReel dimensions conform to EIA 481B standards with an external diameter of 330 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor more detailed specifications and customization options, please refer to the \u003ca href=\"https:\/\/4donline.ihs.com\/images\/VipMasterIC\/IC\/CKCI\/CKCI-S-A0001404160\/CKCI-S-A0001796640-1.pdf?hkey=82A29B72BDB3BD67C626B77C2F032848\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNote: Specifications and dimensions are subject to change. Please consult the datasheet or contact customer service for specific requirements.\u003c\/em\u003e\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-16T04:09:36+05:30","created_at":"2025-08-16T04:09:36+05:30","vendor":"Waldom Electonics","type":"Switches","tags":["12VDC","3mm","IMPORT_CSV","IMPORT_PT2","LITTE-CKCO","SW","Switches","Tactile","WLDM"],"price":3382,"price_min":3382,"price_max":3382,"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":50626237137213,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"PTS125SJM73SMTR2LFS","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"PTS125SJM73SMTR2LFS","public_title":null,"options":["Default Title"],"price":3382,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"PTS125SJM73SMTR2LFS","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/PTS125SJM73SMTR2LFS_48235571_e9488d65.jpg?v=1755297579"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/PTS125SJM73SMTR2LFS_48235571_e9488d65.jpg?v=1755297579","options":["Title"],"media":[{"alt":null,"id":45861563597117,"position":1,"preview_image":{"aspect_ratio":1.12,"height":200,"width":224,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/PTS125SJM73SMTR2LFS_48235571_e9488d65.jpg?v=1755297579"},"aspect_ratio":1.12,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/PTS125SJM73SMTR2LFS_48235571_e9488d65.jpg?v=1755297579","width":224}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eProduct Description for PTS125 Series Tactile Switches\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eCK PTS125 Series\u003c\/strong\u003e 12 mm tactile switches are designed for reliable momentary action applications in various electronic devices. Manufactured by \u003cstrong\u003eLITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/strong\u003e and compliant with RoHS standards, these switches offer versatile mounting options and robust performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e PTS125SJM73SMTR2LFS\u003cbr\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e LITTELFUSE \/ C\u0026amp;K COMPONENTS\u003cbr\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e CN\u003cbr\u003e\n\u003cstrong\u003eUOM:\u003c\/strong\u003e EA\u003cbr\u003e\n\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003cbr\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e TAPE\u003cbr\u003e\n\u003ca href=\"https:\/\/4donline.ihs.com\/images\/VipMasterIC\/IC\/CKCI\/CKCI-S-A0001404160\/CKCI-S-A0001796640-1.pdf?hkey=82A29B72BDB3BD67C626B77C2F032848\" target=\"_blank\"\u003eDatasheet\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFeatures \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSuitable for both THT and SMT terminations\u003c\/li\u003e\n \u003cli\u003eAvailable in various heights, including 4.3 mm, 7.3 mm, 8.5 mm, and 12.0 mm with ribs\u003c\/li\u003e\n \u003cli\u003eSnap fit actuator option for easy assembly\u003c\/li\u003e\n \u003cli\u003eHigh mechanical durability with an operating life of 200,000 cycles\u003c\/li\u003e\n \u003cli\u003eReliable electrical performance with a maximum voltage of 12 VDC and current of 50 mA\u003c\/li\u003e\n \u003cli\u003eLow contact resistance (\u0026lt;100 mΩ) and high insulation resistance (\u0026gt;100 MΩ)\u003c\/li\u003e\n \u003cli\u003eDielectric strength of 250 V AC (1 min)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\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\u003eSPST, N.O.\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eTravel\u003c\/th\u003e\n \u003ctd\u003e0.30 mm ± 0.15 mm\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eOperating Force\u003c\/th\u003e\n \u003ctd\u003e180 gf ± 50; 250 gf ± 50 (depending on model)\u003c\/td\u003e\n \u003c\/tr\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\u003eOperating Life\u003c\/th\u003e\n \u003ctd\u003e200,000 cycles\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eOperating Temperature\u003c\/th\u003e\n \u003ctd\u003e-20°C to 70°C\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eSoldering\u003c\/th\u003e\n \u003ctd\u003eInfrared reflow (IEC 61760-1) and wave soldering compatible with lead-free soldering profiles\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eDimensions \u0026amp; Packaging\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eSwitch Height\u003c\/th\u003e\n \u003ctd\u003e4.3 mm, 7.3 mm, 8.5 mm, 12.0 mm (other heights available upon request)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eTerminals\u003c\/th\u003e\n \u003ctd\u003ePC pins for THT, G type for SMT\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003ePackaging\u003c\/th\u003e\n \u003ctd\u003ePlastic bag (THT), Tape \u0026amp; reel (SMT)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eParts per Packaging\u003c\/th\u003e\n \u003ctd\u003e500 (THT), 900 (SMT 4.3 mm), 600 (SMT 4.3 mm with pegs), 500 (SMT 7.3 mm), 500 (SMT 7.3 mm with pegs), 500 (SMT 8.5 mm), 400 (SMT 8.5 mm with pegs), 250 (SMT 12 mm)\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSnap fit actuator options include round, square, and ribbed actuators at various heights\u003c\/li\u003e\n \u003cli\u003eRoHS compliant with silver-plated contacts\u003c\/li\u003e\n \u003cli\u003eReel dimensions conform to EIA 481B standards with an external diameter of 330 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor more detailed specifications and customization options, please refer to the \u003ca href=\"https:\/\/4donline.ihs.com\/images\/VipMasterIC\/IC\/CKCI\/CKCI-S-A0001404160\/CKCI-S-A0001796640-1.pdf?hkey=82A29B72BDB3BD67C626B77C2F032848\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNote: Specifications and dimensions are subject to change. Please consult the datasheet or contact customer service for specific requirements.\u003c\/em\u003e\u003c\/p\u003e\u003cbr\u003e"}
