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CMT-13031-SMT-TR
Same Sky CMT-13031-SMT-TR Piezo Buzzer Transducer
Introducing the CMT-13031-SMT-TR piezo buzzer transducer from Same Sky , a reliable audio device designed for compact applications requiring low power consumption and high performance. Manufactured in China, this surface-mount device is ideal for electronic projects and commercial products requiring clear audio alerts.
Part Number: CMT-13031-SMT-TR
Manufacturer: Same Sky
Country of Origin (COO): CN
Unit of Measure (UOM): EA
ECCN: EAR99
Package Type: Reel
Datasheet: Download Datasheet
Product Features
Low current consumption for energy-efficient operation
Compact low-profile design measuring 12.8 x 12.8 x 2.5 mm
Externally driven for flexible integration
Surface-mount (SMT) type with Sn-plated terminals
RoHS compliant for environmentally responsible manufacturing
Technical Specifications
Parameter
Conditions/Description
Min
Typ
Max
Units
Operating Voltage
25 Vp-p
Current Consumption at 5 Vp-p, 4,100 Hz
5 mA
Rated Frequency
4,100 Hz
Sound Pressure Level at 10 cm, 5 Vp-p, 4,100 Hz
70 dB
Electrostatic Capacity at 1000 Hz/1 V
11,200
16,000
20,800
pF
Dimensions
12.8 x 12.8 x 2.5 mm
Weight
0.5 g
Material
LCP (black)
Operating Temperature
-30
70 °C
Storage Temperature
-40
85 °C
Solderability & Packaging
Reel Size: Ø330 mm, with 1,000 pcs per reel
Inner Box Size: 340 x 340 x 40 mm
Carton Size: 350 x 175 x 355 mm, containing 5,000 pcs
Reflow soldering recommended at 260 °C using appropriate profile
Store in <40% humidity at 25°C for optimal shelf life
Additional Resources
Note: The datasheet was not processed; please search the internet for the part number for more details.
Use left/right arrows to navigate the slideshow or swipe left/right if using a mobile device
{"id":10013737058621,"title":"CMT-13031-SMT-TR","handle":"cmt-13031-smt-tr","description":"\u003ch3\u003eSame Sky CMT-13031-SMT-TR Piezo Buzzer Transducer\u003c\/h3\u003e\n\u003cp\u003eIntroducing the \u003cstrong\u003eCMT-13031-SMT-TR\u003c\/strong\u003e piezo buzzer transducer from \u003cstrong\u003eSame Sky\u003c\/strong\u003e, a reliable audio device designed for compact applications requiring low power consumption and high performance. Manufactured in China, this surface-mount device is ideal for electronic projects and commercial products requiring clear audio alerts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e CMT-13031-SMT-TR\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Same Sky\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCountry of Origin (COO):\u003c\/strong\u003e CN\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUnit of Measure (UOM):\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 Reel\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.cuidevices.com\/product\/resource\/masterpdf\/cmt-13031-smt-tr.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eLow current consumption for energy-efficient operation\u003c\/li\u003e\n \u003cli\u003eCompact low-profile design measuring 12.8 x 12.8 x 2.5 mm\u003c\/li\u003e\n \u003cli\u003eExternally driven for flexible integration\u003c\/li\u003e\n \u003cli\u003eSurface-mount (SMT) type with Sn-plated terminals\u003c\/li\u003e\n \u003cli\u003eRoHS compliant for environmentally responsible manufacturing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eParameter\u003c\/th\u003e\n \u003cth\u003eConditions\/Description\u003c\/th\u003e\n \u003cth\u003eMin\u003c\/th\u003e\n \u003cth\u003eTyp\u003c\/th\u003e\n \u003cth\u003eMax\u003c\/th\u003e\n \u003cth\u003eUnits\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eOperating Voltage\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e25 Vp-p\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eCurrent Consumption at 5 Vp-p, 4,100 Hz\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e5 mA\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eRated Frequency\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e4,100 Hz\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eSound Pressure Level at 10 cm, 5 Vp-p, 4,100 Hz\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e70 dB\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eElectrostatic Capacity at 1000 Hz\/1 V\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e11,200\u003c\/td\u003e\n \u003ctd\u003e16,000\u003c\/td\u003e\n \u003ctd\u003e20,800\u003c\/td\u003e\n \u003ctd\u003epF\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eDimensions\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd colspan=\"4\"\u003e12.8 x 12.8 x 2.5 mm\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eWeight\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd colspan=\"4\"\u003e0.5 g\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMaterial\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd colspan=\"4\"\u003eLCP (black)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eOperating Temperature\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e-30\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e70 °C\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eStorage Temperature\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e-40\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e85 °C\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eSolderability \u0026amp; Packaging\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eReel Size: Ø330 mm, with 1,000 pcs per reel\u003c\/li\u003e\n \u003cli\u003eInner Box Size: 340 x 340 x 40 mm\u003c\/li\u003e\n \u003cli\u003eCarton Size: 350 x 175 x 355 mm, containing 5,000 pcs\u003c\/li\u003e\n \u003cli\u003eReflow soldering recommended at 260 °C using appropriate profile\u003c\/li\u003e\n \u003cli\u003eStore in \u0026lt;40% humidity at 25°C for optimal shelf life\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAdditional Resources\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003e\u003ca href=\"https:\/\/www.sameskydevices.com\/news\/press-releases\/cui-devices-has-a-new-name-say-hello-to-same-sky\" target=\"_blank\"\u003eLearn More\u003c\/a\u003e\u003c\/li\u003e\n \u003cli\u003e\u003ca href=\"https:\/\/www.sameskydevices.com\/track?actionLabel=Datasheet-ClickThrough-ProductPage\u0026amp;label=CMT-13031-SMT-TR.pdf\u0026amp;path=%2fproduct%2faudio%2fbuzzers%2faudio-transducers%2fcmt-13031-smt-tr\" target=\"_blank\"\u003eProduct Page\u003c\/a\u003e\u003c\/li\u003e\n \u003cli\u003e\u003ca href=\"https:\/\/www.sameskydevices.com\/track?actionLabel=Datasheet-ClickThrough-3dmodel\u0026amp;label=CMT-13031-SMT-TR.pdf\u0026amp;path=%2fproduct%2fresource%2f3dmodel%2fcmt-13031-smt-tr\" target=\"_blank\"\u003e3D Model\u003c\/a\u003e\u003c\/li\u003e\n \u003cli\u003e\u003ca href=\"https:\/\/www.sameskydevices.com\/track?actionLabel=Datasheet-ClickThrough-pcbfootprint\u0026amp;label=CMT-13031-SMT-TR.pdf\u0026amp;path=%2fproduct%2fresource%2fpcbfootprint%2fcmt-13031-smt-tr\" target=\"_blank\"\u003ePCB Footprint\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: The datasheet was not processed; please search the internet for the part number for more details.\u003c\/em\u003e\u003c\/p\u003e","published_at":"2025-08-10T21:24:00+05:30","created_at":"2025-08-10T21:24:00+05:30","vendor":"Waldom Electonics","type":"Audio Devices","tags":["25V","5mm","8mm","Audio","IMPORT_CSV","Piezo","SAME","SMT","WLDM"],"price":21620,"price_min":21620,"price_max":21620,"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":50578942722365,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"CMT-13031-SMT-TR","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"CMT-13031-SMT-TR","public_title":null,"options":["Default Title"],"price":21620,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"CMT-13031-SMT-TR","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/CMT-13031-SMT-TR_52141397_2cfb045c.jpg?v=1754841244"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/CMT-13031-SMT-TR_52141397_2cfb045c.jpg?v=1754841244","options":["Title"],"media":[{"alt":null,"id":45765562138941,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/CMT-13031-SMT-TR_52141397_2cfb045c.jpg?v=1754841244"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/CMT-13031-SMT-TR_52141397_2cfb045c.jpg?v=1754841244","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eSame Sky CMT-13031-SMT-TR Piezo Buzzer Transducer\u003c\/h3\u003e\n\u003cp\u003eIntroducing the \u003cstrong\u003eCMT-13031-SMT-TR\u003c\/strong\u003e piezo buzzer transducer from \u003cstrong\u003eSame Sky\u003c\/strong\u003e, a reliable audio device designed for compact applications requiring low power consumption and high performance. Manufactured in China, this surface-mount device is ideal for electronic projects and commercial products requiring clear audio alerts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e CMT-13031-SMT-TR\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Same Sky\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCountry of Origin (COO):\u003c\/strong\u003e CN\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUnit of Measure (UOM):\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 Reel\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.cuidevices.com\/product\/resource\/masterpdf\/cmt-13031-smt-tr.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eLow current consumption for energy-efficient operation\u003c\/li\u003e\n \u003cli\u003eCompact low-profile design measuring 12.8 x 12.8 x 2.5 mm\u003c\/li\u003e\n \u003cli\u003eExternally driven for flexible integration\u003c\/li\u003e\n \u003cli\u003eSurface-mount (SMT) type with Sn-plated terminals\u003c\/li\u003e\n \u003cli\u003eRoHS compliant for environmentally responsible manufacturing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eParameter\u003c\/th\u003e\n \u003cth\u003eConditions\/Description\u003c\/th\u003e\n \u003cth\u003eMin\u003c\/th\u003e\n \u003cth\u003eTyp\u003c\/th\u003e\n \u003cth\u003eMax\u003c\/th\u003e\n \u003cth\u003eUnits\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eOperating Voltage\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e25 Vp-p\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eCurrent Consumption at 5 Vp-p, 4,100 Hz\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e5 mA\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eRated Frequency\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e4,100 Hz\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eSound Pressure Level at 10 cm, 5 Vp-p, 4,100 Hz\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e70 dB\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eElectrostatic Capacity at 1000 Hz\/1 V\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e11,200\u003c\/td\u003e\n \u003ctd\u003e16,000\u003c\/td\u003e\n \u003ctd\u003e20,800\u003c\/td\u003e\n \u003ctd\u003epF\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eDimensions\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd colspan=\"4\"\u003e12.8 x 12.8 x 2.5 mm\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eWeight\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd colspan=\"4\"\u003e0.5 g\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMaterial\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd colspan=\"4\"\u003eLCP (black)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eOperating Temperature\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e-30\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e70 °C\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eStorage Temperature\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e-40\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e85 °C\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eSolderability \u0026amp; Packaging\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eReel Size: Ø330 mm, with 1,000 pcs per reel\u003c\/li\u003e\n \u003cli\u003eInner Box Size: 340 x 340 x 40 mm\u003c\/li\u003e\n \u003cli\u003eCarton Size: 350 x 175 x 355 mm, containing 5,000 pcs\u003c\/li\u003e\n \u003cli\u003eReflow soldering recommended at 260 °C using appropriate profile\u003c\/li\u003e\n \u003cli\u003eStore in \u0026lt;40% humidity at 25°C for optimal shelf life\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAdditional Resources\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003e\u003ca href=\"https:\/\/www.sameskydevices.com\/news\/press-releases\/cui-devices-has-a-new-name-say-hello-to-same-sky\" target=\"_blank\"\u003eLearn More\u003c\/a\u003e\u003c\/li\u003e\n \u003cli\u003e\u003ca href=\"https:\/\/www.sameskydevices.com\/track?actionLabel=Datasheet-ClickThrough-ProductPage\u0026amp;label=CMT-13031-SMT-TR.pdf\u0026amp;path=%2fproduct%2faudio%2fbuzzers%2faudio-transducers%2fcmt-13031-smt-tr\" target=\"_blank\"\u003eProduct Page\u003c\/a\u003e\u003c\/li\u003e\n \u003cli\u003e\u003ca href=\"https:\/\/www.sameskydevices.com\/track?actionLabel=Datasheet-ClickThrough-3dmodel\u0026amp;label=CMT-13031-SMT-TR.pdf\u0026amp;path=%2fproduct%2fresource%2f3dmodel%2fcmt-13031-smt-tr\" target=\"_blank\"\u003e3D Model\u003c\/a\u003e\u003c\/li\u003e\n \u003cli\u003e\u003ca href=\"https:\/\/www.sameskydevices.com\/track?actionLabel=Datasheet-ClickThrough-pcbfootprint\u0026amp;label=CMT-13031-SMT-TR.pdf\u0026amp;path=%2fproduct%2fresource%2fpcbfootprint%2fcmt-13031-smt-tr\" target=\"_blank\"\u003ePCB Footprint\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: The datasheet was not processed; please search the internet for the part number for more details.\u003c\/em\u003e\u003c\/p\u003e"}
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