Same Sky CMC-9745-37L100 Electret Condenser Microphone
The CMC-9745-37L100 from Same Sky is a high-quality unidirectional electret condenser microphone designed for professional audio applications. Manufactured in China, this compact microphone features a 9.7mm diameter and lightweight construction, making it suitable for various audio capture needs.
Product Features
Unidirectional polar pattern for focused sound pickup
High signal-to-noise ratio (72 dBA) ensures clear audio quality
Operates with a standard voltage of 1.5 Vdc, maximum 9 Vdc
Low output impedance (1.4 kΩ to 2.6 kΩ) for compatibility with various audio systems
Includes 100 mm lead wires for easy integration
RoHS compliant for environmentally safe usage
Technical Specifications
Parameter
Conditions
Min
Typ
Max
Units
Directivity
Unidirectional
Sensitivity (S)
f = 1 kHz, 1 Pa, 0 dB = 1 V/Pa
-40
-37
-34
dB
Standard Operating Voltage (Vs)
1.5
Vdc
Max Operating Voltage
9
Vdc
Output Impedance (Zout)
f = 1 kHz, 1 Pa
1.4
2.0
2.6
kΩ
Frequency Response
100
12,000
Hz
Current Consumption (I DSS)
Vs = 1.5 Vdc, RL = 2.0 kΩ
0.4
mA
Dimensions
Ø9.7 x 4.5
mm
Weight
1
g
Mechanical and Packaging Details
Material: Aluminum
Soldering Temperature: 310°C to 330°C for maximum 2 seconds
{"id":10024619802941,"title":"CMC-9745-37L100","handle":"cmc-9745-37l100","description":"\u003ch3\u003eSame Sky CMC-9745-37L100 Electret Condenser Microphone\u003c\/h3\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eCMC-9745-37L100\u003c\/strong\u003e from \u003cstrong\u003eSame Sky\u003c\/strong\u003e is a high-quality unidirectional electret condenser microphone designed for professional audio applications. Manufactured in China, this compact microphone features a 9.7mm diameter and lightweight construction, making it suitable for various audio capture needs.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eUnidirectional polar pattern for focused sound pickup\u003c\/li\u003e\n \u003cli\u003eHigh signal-to-noise ratio (72 dBA) ensures clear audio quality\u003c\/li\u003e\n \u003cli\u003eOperates with a standard voltage of 1.5 Vdc, maximum 9 Vdc\u003c\/li\u003e\n \u003cli\u003eLow output impedance (1.4 kΩ to 2.6 kΩ) for compatibility with various audio systems\u003c\/li\u003e\n \u003cli\u003eIncludes 100 mm lead wires for easy integration\u003c\/li\u003e\n \u003cli\u003eRoHS compliant for environmentally safe usage\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\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\u003eDirectivity\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003eUnidirectional\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eSensitivity (S)\u003c\/td\u003e\n \u003ctd\u003ef = 1 kHz, 1 Pa, 0 dB = 1 V\/Pa\u003c\/td\u003e\n \u003ctd\u003e-40\u003c\/td\u003e\n \u003ctd\u003e-37\u003c\/td\u003e\n \u003ctd\u003e-34\u003c\/td\u003e\n \u003ctd\u003edB\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eStandard Operating Voltage (Vs)\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e1.5\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003eVdc\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMax Operating Voltage\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e9\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003eVdc\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eOutput Impedance (Zout)\u003c\/td\u003e\n \u003ctd\u003ef = 1 kHz, 1 Pa\u003c\/td\u003e\n \u003ctd\u003e1.4\u003c\/td\u003e\n \u003ctd\u003e2.0\u003c\/td\u003e\n \u003ctd\u003e2.6\u003c\/td\u003e\n \u003ctd\u003ekΩ\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eFrequency Response\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e100\u003c\/td\u003e\n \u003ctd\u003e12,000\u003c\/td\u003e\n \u003ctd\u003eHz\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eCurrent Consumption (I DSS)\u003c\/td\u003e\n \u003ctd\u003eVs = 1.5 Vdc, RL = 2.0 kΩ\u003c\/td\u003e\n \u003ctd\u003e0.4\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003emA\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eDimensions\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003eØ9.7 x 4.5\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003emm\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eWeight\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e1\u003c\/td\u003e\n \u003ctd\u003eg\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eMechanical and Packaging Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eMaterial: Aluminum\u003c\/li\u003e\n \u003cli\u003eSoldering Temperature: 310°C to 330°C for maximum 2 seconds\u003c\/li\u003e\n \u003cli\u003ePackage Type: Black (BLK)\u003c\/li\u003e\n \u003cli\u003eOuter Box Size: 310 x 248 x 49 mm\u003c\/li\u003e\n \u003cli\u003eCarton Box Size: 550 x 330 x 290 mm\u003c\/li\u003e\n \u003cli\u003eQuantity per Outer Box: 1,500 pcs\u003c\/li\u003e\n \u003cli\u003eQuantity per Carton: 15,000 pcs\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.cuidevices.com\/product\/resource\/masterpdf\/cmc-9745-37l100.pdf\" target=\"_blank\"\u003eDatasheet\u003c\/a\u003e\u003c\/li\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=CMC-9745-37L100.pdf\u0026amp;path=%2fproduct%2faudio%2fmicrophones%2felectret-condenser-microphones%2fcmc-9745-37l100\" 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=CMC-9745-37L100.pdf\u0026amp;path=%2fproduct%2fresource%2f3dmodel%2fcmc-9745-37l100\" target=\"_blank\"\u003e3D Model\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e The datasheet was not processed; please search the internet for the part number \u003cem\u003eCMC-9745-37L100\u003c\/em\u003e for more details.\u003c\/p\u003e\n\n\u003cp\u003eWarranty: Same Sky offers a one (1) year limited warranty. Please refer to the company's website for complete warranty information.\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-14T09:07:20+05:30","created_at":"2025-08-14T09:07:20+05:30","vendor":"Waldom Electonics","type":"Audio Devices","tags":["7mm","Audio","IMPORT_CSV","Microphones","SAME","WLDM"],"price":23699,"price_min":23699,"price_max":23699,"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":50618712916285,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"CMC-9745-37L100","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"CMC-9745-37L100","public_title":null,"options":["Default Title"],"price":23699,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"CMC-9745-37L100","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/CMC-9745-37L100_52141308_85dc4e80.jpg?v=1755142643"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/CMC-9745-37L100_52141308_85dc4e80.jpg?v=1755142643","options":["Title"],"media":[{"alt":null,"id":45830706528573,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/CMC-9745-37L100_52141308_85dc4e80.jpg?v=1755142643"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/CMC-9745-37L100_52141308_85dc4e80.jpg?v=1755142643","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eSame Sky CMC-9745-37L100 Electret Condenser Microphone\u003c\/h3\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eCMC-9745-37L100\u003c\/strong\u003e from \u003cstrong\u003eSame Sky\u003c\/strong\u003e is a high-quality unidirectional electret condenser microphone designed for professional audio applications. Manufactured in China, this compact microphone features a 9.7mm diameter and lightweight construction, making it suitable for various audio capture needs.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eUnidirectional polar pattern for focused sound pickup\u003c\/li\u003e\n \u003cli\u003eHigh signal-to-noise ratio (72 dBA) ensures clear audio quality\u003c\/li\u003e\n \u003cli\u003eOperates with a standard voltage of 1.5 Vdc, maximum 9 Vdc\u003c\/li\u003e\n \u003cli\u003eLow output impedance (1.4 kΩ to 2.6 kΩ) for compatibility with various audio systems\u003c\/li\u003e\n \u003cli\u003eIncludes 100 mm lead wires for easy integration\u003c\/li\u003e\n \u003cli\u003eRoHS compliant for environmentally safe usage\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\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\u003eDirectivity\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003eUnidirectional\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eSensitivity (S)\u003c\/td\u003e\n \u003ctd\u003ef = 1 kHz, 1 Pa, 0 dB = 1 V\/Pa\u003c\/td\u003e\n \u003ctd\u003e-40\u003c\/td\u003e\n \u003ctd\u003e-37\u003c\/td\u003e\n \u003ctd\u003e-34\u003c\/td\u003e\n \u003ctd\u003edB\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eStandard Operating Voltage (Vs)\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e1.5\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003eVdc\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMax Operating Voltage\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e9\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003eVdc\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eOutput Impedance (Zout)\u003c\/td\u003e\n \u003ctd\u003ef = 1 kHz, 1 Pa\u003c\/td\u003e\n \u003ctd\u003e1.4\u003c\/td\u003e\n \u003ctd\u003e2.0\u003c\/td\u003e\n \u003ctd\u003e2.6\u003c\/td\u003e\n \u003ctd\u003ekΩ\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eFrequency Response\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e100\u003c\/td\u003e\n \u003ctd\u003e12,000\u003c\/td\u003e\n \u003ctd\u003eHz\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eCurrent Consumption (I DSS)\u003c\/td\u003e\n \u003ctd\u003eVs = 1.5 Vdc, RL = 2.0 kΩ\u003c\/td\u003e\n \u003ctd\u003e0.4\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003emA\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eDimensions\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003eØ9.7 x 4.5\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003emm\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eWeight\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e1\u003c\/td\u003e\n \u003ctd\u003eg\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eMechanical and Packaging Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eMaterial: Aluminum\u003c\/li\u003e\n \u003cli\u003eSoldering Temperature: 310°C to 330°C for maximum 2 seconds\u003c\/li\u003e\n \u003cli\u003ePackage Type: Black (BLK)\u003c\/li\u003e\n \u003cli\u003eOuter Box Size: 310 x 248 x 49 mm\u003c\/li\u003e\n \u003cli\u003eCarton Box Size: 550 x 330 x 290 mm\u003c\/li\u003e\n \u003cli\u003eQuantity per Outer Box: 1,500 pcs\u003c\/li\u003e\n \u003cli\u003eQuantity per Carton: 15,000 pcs\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.cuidevices.com\/product\/resource\/masterpdf\/cmc-9745-37l100.pdf\" target=\"_blank\"\u003eDatasheet\u003c\/a\u003e\u003c\/li\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=CMC-9745-37L100.pdf\u0026amp;path=%2fproduct%2faudio%2fmicrophones%2felectret-condenser-microphones%2fcmc-9745-37l100\" 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=CMC-9745-37L100.pdf\u0026amp;path=%2fproduct%2fresource%2f3dmodel%2fcmc-9745-37l100\" target=\"_blank\"\u003e3D Model\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e The datasheet was not processed; please search the internet for the part number \u003cem\u003eCMC-9745-37L100\u003c\/em\u003e for more details.\u003c\/p\u003e\n\n\u003cp\u003eWarranty: Same Sky offers a one (1) year limited warranty. Please refer to the company's website for complete warranty information.\u003c\/p\u003e\u003cbr\u003e"}
