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CMS-181325-078S is listed in the Speakers range at ChipApex. The manufacturer field lists Same Sky (Formerly CUI Devices). Its product description is SPEAKER 8OHM 700MW TOP PORT 93DB. Review the specifications below when checking this part for your BOM.
Speakers specifications for CMS-181325-078S
- Description：SPEAKER 8OHM 700MW TOP PORT 93DB
- Series：CMS
- Mfr：Same Sky (Formerly CUI Devices)
- Package：Tray
- Type：General Purpose
- Technology：Magnetic
- Impedance：8 Ohms
- Power - Max：1 W
- Shape：Rectangular
- Termination：Spring Type
- Size / Dimension：0.709" L x 0.512" W (18.00mm x 13.00mm)
- Height - Seated (Max)：0.098" (2.50mm)
- Frequency - Self Resonant：800Hz
- Efficiency - dBA：93
- Efficiency - Testing：700mW/100mm
- Efficiency - Type：Sound Pressure Level (SPL)
- Port Location：Top
- Material - Cone：Polyester, Polyethylene Terephthalate (PET)
- Material - Magnet：Nd-Fe-B
- Ingress Protection：-
- Ratings：-
- Frequency Range：500 Hz ~ 10 kHz
- Power - Rated：700 mW
Speakers datasheet and documents for CMS-181325-078S
Speakers Overview
The CMS-181325-078S is a rectangular general-purpose speaker manufactured by Same Sky. It features an 8 Ohm impedance and a power rating of 700 mW, with a maximum capacity of 1 W. The unit utilizes a Polyethylene Terephthalate (PET) cone and a Neodymium Iron Boron magnet. Key acoustic parameters include a Sound Pressure Level of 93 dBA and a self-resonant frequency of 800 Hz. The frequency range spans from 500 Hz to 10 kHz. Physical dimensions are 18.00 mm in length, 13.00 mm in width, and 2.50 mm in height. It employs top porting and solder pad termination.
Speakers Feature Summary
- Rectangular form factor with top porting design for optimized acoustic output
- Utilizes Neodymium Iron Boron magnetic material for efficient performance
- Constructed with Polyethylene Terephthalate cone material
Speakers Applications
- General purpose audio transduction
- Embedded electronic devices requiring compact speakers
Speakers Procurement Notes
Verify the specific suffix against official manufacturer documentation to confirm exact configuration details. Ensure compatibility with intended enclosure designs regarding top porting requirements. Cross-reference technical specifications with current datasheets to validate impedance and power ratings for circuit integration.
Speakers Selection Notes
Select this component for applications requiring a low-profile rectangular speaker with top porting. Consider the 8 Ohm impedance and 700 mW rating for matching amplifier outputs. Evaluate the 500 Hz to 10 kHz frequency response against target audio bandwidth requirements.
Speakers Part Context
This model belongs to the CMS series of micro speakers produced by Same Sky. The series offers various configurations tailored for space-constrained electronics. This specific variant emphasizes a rectangular shape and top-porting architecture within the standard product line.
Speakers FAQ
What is the self-resonant frequency of the CMS-181325-078S?
The self-resonant frequency is 800 Hz.
What type of termination does this speaker use?
It uses solder pads for electrical connection.
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