CMT-1203-SMT-TR

Alarms, Buzzers, And Sirens Overview

The CMT-1203-SMT-TR is a piezoelectric audio transducer buzzer manufactured by Same Sky. It features a square surface-mount footprint measuring 12 mm x 12 mm with a maximum height of 4 mm. The device operates at a nominal voltage of 25 V and produces a sound pressure level of 81 dB. It is designed for external driving circuits and utilizes solder pad termination for PCB integration.

Alarms, Buzzers, And Sirens Feature Summary

• Piezoelectric transduction technology for reliable acoustic output
• Surface mount design compatible with automated assembly processes
• External drive circuit requirement for signal generation

Alarms, Buzzers, And Sirens Applications

• Electronic equipment status indicators
• Appliance audible alerts
• Industrial control panel signaling

Alarms, Buzzers, And Sirens Procurement Notes

Verify the specific datasheet version to confirm exact electrical characteristics, as manufacturer specifications may vary between legacy CUI Devices and current Same Sky documentation. Ensure the receiving PCB footprint matches the official land pattern dimensions provided in the package drawing. Confirm RoHS compliance status if required by project regulations.

Alarms, Buzzers, And Sirens Selection Notes

Select this component when a high-volume, low-profile piezoelectric buzzer is required for surface mount assembly. The 12 mm form factor offers a balance between acoustic output and board space constraints. Verify that the application circuit can provide the necessary drive voltage and current levels specified in the technical data sheet.

Alarms, Buzzers, And Sirens Part Context

This part belongs to the CMT series of piezoelectric buzzers from Same Sky. The series provides various sizes and mounting options for audio indication needs. The SMT suffix indicates surface mount technology compatibility, distinguishing it from through-hole variants within the same product family.

Alarms, Buzzers, And Sirens Replacement Considerations

CPT-1203-78-SMT-TR: Piezo alternative with similar dimensions but different SPL and voltage ratings. CMT-1603-SMT-TR: Larger 16mm variant with lower voltage requirements.