SMS-2008MS-R

Overview

The SMS-2008MS-R is an electromagnetic speaker manufactured by PUI Audio, Inc. It features a square form factor with dimensions of 20 mm x 20 mm and a height of approximately 5.5 mm. The unit operates at an impedance of 8 Ohms and has a power rating of 800 mW. Its frequency response ranges from 550 Hz to 20 kHz, with a resonant frequency around 850 Hz. The sound pressure level is rated at 90 dB. It utilizes a Mylar cone and Samarium Cobalt magnet, offering board mount installation via solder eyelets.

Feature Summary

• Integrated protective grill molded into the housing structure
• Square design optimized for compact surface mounting
• High-output capability within low-power constraints

Applications

• General purpose audio indication
• Embedded system alerting
• Consumer electronics feedback

Procurement Notes

Verify the specific datasheet version for exact mechanical tolerances and electrical characteristics before finalizing designs. Confirm RoHS compliance status through official manufacturer documentation. Ensure mounting holes align with PCB layout requirements. Check for any recent updates to the component specifications that may affect compatibility with existing assemblies.

Selection Notes

Select this component when a square profile is required for space-constrained enclosures. The 8-ohm impedance suits standard driver circuits. Consider the 90 dB SPL for applications requiring clear audible alerts without excessive power consumption. The integrated grill reduces assembly steps compared to bare speakers.

Part Context

This part belongs to PUI Audio's general-purpose speaker line. It is designed for reliable performance in various electronic devices. The series offers consistent quality across different manufacturing batches. Engineers often choose this model for its balance of size, output, and cost-effectiveness in mass-produced goods.

Replacement Considerations

No direct public substitute part numbers are confirmed for this specific model. Evaluate other square speakers from PUI Audio or competitors based on matching impedance, SPL, and physical dimensions. Verify magnetic material compatibility if strong external fields are present.