Product Description: Magnetic Buzzer Transducer (Part Number: CMT-4023S-SMT-TR)
The SAME SKY magnetic buzzer transducer (Part Number: CMT-4023S-SMT-TR) is a compact, surface-mount device designed for high-performance audio signaling applications. Manufactured in China, this device complies with RoHS standards and is supplied in a reel packaging for efficient automated assembly.
Key Features
Dimensions: 4mm x 4mm x 2mm
Surface Mount Technology (SMT) compatible with Sn plating terminals
Rated frequency of 4000 Hz for clear, consistent sound output
Low weight of 0.07 grams suitable for space-constrained designs
Operating temperature range: -20°C to 70°C
RoHS compliant for environmentally safe applications
Electrical Specifications
Parameter
Description
Min
Typ
Max
Units
Rated Voltage
Vo-p 0V
3.0
V
Operating Voltage
2.0
4.0
V
Sound Pressure Level
At 10cm, rated voltage, 4000Hz square wave, ½ duty
70
dBA
Coil Resistance
14
17
20
Ω
Current Consumption
At rated voltage, 4000Hz, ½ duty
90
mA
Mechanical & Packaging Details
Material: LCP (Liquid Crystal Polymer)
Dimensions: 4mm x 4mm x 2mm
Reel Size: Ø330 mm, containing 3,000 pcs per reel
Carton Size: 370 x 350 x 350 mm, containing 30,000 pcs per carton
Same Sky offers a one (1) year limited warranty. The product specifications are subject to change without notice. This device is not authorized for use as a critical component in life support systems or other safety-critical applications.
For more detailed information, please refer to the Datasheet.
{"id":10013737287997,"title":"CMT-4023S-SMT-TR","handle":"cmt-4023s-smt-tr","description":"\u003ch3\u003eProduct Description: Magnetic Buzzer Transducer (Part Number: CMT-4023S-SMT-TR)\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eSAME SKY\u003c\/strong\u003e magnetic buzzer transducer (Part Number: \u003cstrong\u003eCMT-4023S-SMT-TR\u003c\/strong\u003e) is a compact, surface-mount device designed for high-performance audio signaling applications. Manufactured in China, this device complies with RoHS standards and is supplied in a reel packaging for efficient automated assembly.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDimensions: 4mm x 4mm x 2mm\u003c\/li\u003e\n\u003cli\u003eSurface Mount Technology (SMT) compatible with Sn plating terminals\u003c\/li\u003e\n\u003cli\u003eRated frequency of 4000 Hz for clear, consistent sound output\u003c\/li\u003e\n\u003cli\u003eLow weight of 0.07 grams suitable for space-constrained designs\u003c\/li\u003e\n\u003cli\u003eOperating temperature range: -20°C to 70°C\u003c\/li\u003e\n\u003cli\u003eRoHS compliant for environmentally safe applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eDescription\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\u003eRated Voltage\u003c\/td\u003e\n\u003ctd\u003eVo-p 0V\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e3.0\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e2.0\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e4.0\u003c\/td\u003e\n\u003ctd\u003eV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSound Pressure Level\u003c\/td\u003e\n\u003ctd\u003eAt 10cm, rated voltage, 4000Hz square wave, ½ duty\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e70\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003edBA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoil Resistance\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e14\u003c\/td\u003e\n\u003ctd\u003e17\u003c\/td\u003e\n\u003ctd\u003e20\u003c\/td\u003e\n\u003ctd\u003eΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Consumption\u003c\/td\u003e\n\u003ctd\u003eAt rated voltage, 4000Hz, ½ duty\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e90\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003emA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eMechanical \u0026amp; Packaging Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMaterial: LCP (Liquid Crystal Polymer)\u003c\/li\u003e\n\u003cli\u003eDimensions: 4mm x 4mm x 2mm\u003c\/li\u003e\n\u003cli\u003eReel Size: Ø330 mm, containing 3,000 pcs per reel\u003c\/li\u003e\n\u003cli\u003eCarton Size: 370 x 350 x 350 mm, containing 30,000 pcs per carton\u003c\/li\u003e\n\u003c\/ul\u003e\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-4023S-SMT-TR.pdf\u0026amp;path=%2fproduct%2faudio%2fbuzzers%2faudio-transducers%2fcmt-4023s-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-4023S-SMT-TR.pdf\u0026amp;path=%2fproduct%2fresource%2f3dmodel%2fcmt-4023s-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-4023S-SMT-TR.pdf\u0026amp;path=%2fproduct%2fresource%2fpcbfootprint%2fcmt-4023s-smt-tr\" target=\"_blank\"\u003ePCB Footprint\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDisclaimer\u003c\/h3\u003e\n\u003cp\u003eSame Sky offers a one (1) year limited warranty. The product specifications are subject to change without notice. This device is not authorized for use as a critical component in life support systems or other safety-critical applications.\u003c\/p\u003e\n\u003cp\u003eFor more detailed information, please refer to the \u003ca href=\"https:\/\/www.cuidevices.com\/product\/resource\/masterpdf\/cmt-4023s-smt-tr.pdf\" target=\"_blank\"\u003eDatasheet\u003c\/a\u003e.\u003c\/p\u003e","published_at":"2025-08-10T21:24:18+05:30","created_at":"2025-08-10T21:24:18+05:30","vendor":"Waldom Electonics","type":"Audio Devices","tags":["2mm","3V","4mm","Audio","IMPORT_CSV","Piezo","SAME","SMT","WLDM"],"price":17185,"price_min":17185,"price_max":17185,"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":50578942984509,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"CMT-4023S-SMT-TR","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"CMT-4023S-SMT-TR","public_title":null,"options":["Default Title"],"price":17185,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"CMT-4023S-SMT-TR","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/CMT-4023S-SMT-TR_52141404_26e2cb25.jpg?v=1754841261"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/CMT-4023S-SMT-TR_52141404_26e2cb25.jpg?v=1754841261","options":["Title"],"media":[{"alt":null,"id":45765564694845,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/CMT-4023S-SMT-TR_52141404_26e2cb25.jpg?v=1754841261"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/CMT-4023S-SMT-TR_52141404_26e2cb25.jpg?v=1754841261","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eProduct Description: Magnetic Buzzer Transducer (Part Number: CMT-4023S-SMT-TR)\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eSAME SKY\u003c\/strong\u003e magnetic buzzer transducer (Part Number: \u003cstrong\u003eCMT-4023S-SMT-TR\u003c\/strong\u003e) is a compact, surface-mount device designed for high-performance audio signaling applications. Manufactured in China, this device complies with RoHS standards and is supplied in a reel packaging for efficient automated assembly.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDimensions: 4mm x 4mm x 2mm\u003c\/li\u003e\n\u003cli\u003eSurface Mount Technology (SMT) compatible with Sn plating terminals\u003c\/li\u003e\n\u003cli\u003eRated frequency of 4000 Hz for clear, consistent sound output\u003c\/li\u003e\n\u003cli\u003eLow weight of 0.07 grams suitable for space-constrained designs\u003c\/li\u003e\n\u003cli\u003eOperating temperature range: -20°C to 70°C\u003c\/li\u003e\n\u003cli\u003eRoHS compliant for environmentally safe applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eDescription\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\u003eRated Voltage\u003c\/td\u003e\n\u003ctd\u003eVo-p 0V\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e3.0\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e2.0\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e4.0\u003c\/td\u003e\n\u003ctd\u003eV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSound Pressure Level\u003c\/td\u003e\n\u003ctd\u003eAt 10cm, rated voltage, 4000Hz square wave, ½ duty\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e70\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003edBA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoil Resistance\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e14\u003c\/td\u003e\n\u003ctd\u003e17\u003c\/td\u003e\n\u003ctd\u003e20\u003c\/td\u003e\n\u003ctd\u003eΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Consumption\u003c\/td\u003e\n\u003ctd\u003eAt rated voltage, 4000Hz, ½ duty\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e90\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003emA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eMechanical \u0026amp; Packaging Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMaterial: LCP (Liquid Crystal Polymer)\u003c\/li\u003e\n\u003cli\u003eDimensions: 4mm x 4mm x 2mm\u003c\/li\u003e\n\u003cli\u003eReel Size: Ø330 mm, containing 3,000 pcs per reel\u003c\/li\u003e\n\u003cli\u003eCarton Size: 370 x 350 x 350 mm, containing 30,000 pcs per carton\u003c\/li\u003e\n\u003c\/ul\u003e\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-4023S-SMT-TR.pdf\u0026amp;path=%2fproduct%2faudio%2fbuzzers%2faudio-transducers%2fcmt-4023s-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-4023S-SMT-TR.pdf\u0026amp;path=%2fproduct%2fresource%2f3dmodel%2fcmt-4023s-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-4023S-SMT-TR.pdf\u0026amp;path=%2fproduct%2fresource%2fpcbfootprint%2fcmt-4023s-smt-tr\" target=\"_blank\"\u003ePCB Footprint\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDisclaimer\u003c\/h3\u003e\n\u003cp\u003eSame Sky offers a one (1) year limited warranty. The product specifications are subject to change without notice. This device is not authorized for use as a critical component in life support systems or other safety-critical applications.\u003c\/p\u003e\n\u003cp\u003eFor more detailed information, please refer to the \u003ca href=\"https:\/\/www.cuidevices.com\/product\/resource\/masterpdf\/cmt-4023s-smt-tr.pdf\" target=\"_blank\"\u003eDatasheet\u003c\/a\u003e.\u003c\/p\u003e"}
