CMS-181325-078L100A-67

Speakers Overview

The CMS-181325-078L100A-67 is a rectangular micro speaker manufactured by Same Sky. It features an 8 Ohm impedance and a rated power of 700 mW, with a maximum power handling of 1 W. The device operates within a frequency range of 500 Hz to 10 kHz, exhibiting a self-resonant frequency of 800 Hz. Acoustic performance includes a sound pressure level of 93 dBA measured at 700 mW/100mm. Physical dimensions are 18.00 mm in length, 13.00 mm in width, and a maximum installation height of 2.50 mm. The unit utilizes a PET cone and Nd-Fe-B magnet, offering IP67 ingress protection.

Speakers Feature Summary

• Top ported design for directional acoustic output
• IP67 rating provides dust and water resistance
• Spring-type terminals facilitate board connection

Speakers Applications

• Medical devices requiring waterproof audio components
• Portable consumer electronics
• Industrial equipment needing dust protection

Speakers Procurement Notes

Verify the specific terminal configuration against project requirements. This model designation indicates spring-type terminals; ensure compatibility with assembly methods. Confirm that the 18.00 x 13.00 mm footprint fits the designated enclosure space. Check datasheet for precise mounting hole locations and thermal considerations during soldering or wave processes.

Speakers Selection Notes

Select this component when high sensitivity (93 dBA) and robust environmental sealing (IP67) are required in a compact form factor. The 8 Ohm impedance suits standard amplifier outputs. Consider the top-ported orientation for sound directionality. Verify that the 700 mW rating aligns with the system's power budget and duty cycle expectations.

Speakers Part Context

This part belongs to the CMS series of miniature speakers from Same Sky. The series offers various configurations including different impedances, terminal types, and port positions. The CMS-181325 variant specifically denotes the 18x13mm rectangular frame size, distinguishing it from other series members like the CMS-151135.

Speakers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.