CMS-402057-18SP

Speakers Overview

The CMS-402057-18SP is a compact speaker transducer manufactured by Same Sky. It features an 18 mm diameter and a depth of 5.2 mm, utilizing a paper cone and NdFeB magnet. The unit has a nominal impedance of 4 ohms and a power handling capacity of 2 W. Its frequency response extends to 20 kHz with a self-resonant frequency of 276 Hz and a resonant frequency of 460 Hz. Electrical connections are provided via solder pads, and it operates within a temperature range of -20°C to +60°C.

Speakers Feature Summary

• Compact form factor designed for space-constrained applications
• Paper cone construction for acoustic performance
• Solder pad termination for direct PCB integration

Speakers Applications

• Consumer electronics audio output
• Portable device speakers
• Industrial control panel indicators

Speakers Procurement Notes

Verify the exact datasheet version for the CMS-402057-18SP to confirm mechanical tolerances and electrical parameters. Ensure compatibility with your PCB layout regarding solder pad dimensions. Check for RoHS compliance status in the official documentation before finalizing procurement specifications.

Speakers Selection Notes

Select this component when a small footprint is required alongside standard 4-ohm impedance. Consider the 2 W power rating against your system's audio requirements. Verify that the operating temperature range meets your environmental conditions.

Speakers Part Context

This part belongs to Same Sky's line of miniature speakers and transducers. It is designed for integration into various electronic devices where size is a critical constraint. The product line typically includes similar models with varying diameters and mounting options.

Speakers Replacement Considerations

Check for direct substitutes from the Same Sky CMS series with matching 18 mm diameter and 4-ohm impedance. Verify mechanical fit and electrical characteristics before substitution.