CPI-137-12T

Alarms, Buzzers, And Sirens Overview

The CPI-137-12T is a through-hole internally driven piezo signaller manufactured by Same Sky. It operates on a rated DC voltage of 12V, with an acceptable operating range of 5V to 15V. The device generates sound at a frequency of 3.8kHz and produces a sound pressure level of 92dB when measured at a distance of 10cm under rated conditions. It draws a current of 18mA during operation. The component utilizes piezoelectric technology for sound generation and features PC pin termination for PCB mounting.

Alarms, Buzzers, And Sirens Feature Summary

• Internally driven piezoelectric design eliminates the need for external oscillators
• Wide input voltage tolerance supports operation across 5V to 15V DC ranges
• High acoustic output provides clear audible signaling in various environments

Alarms, Buzzers, And Sirens Applications

• Industrial control panel status indication
• Consumer appliance alarm systems
• Medical equipment auditory alerts

Alarms, Buzzers, And Sirens Procurement Notes

Verify the specific suffix designation to confirm the exact rated voltage and acoustic output specifications, as variations may exist within the series. Ensure the selected variant matches the required operating voltage range for the target circuit. Confirm compliance with RoHS directives if environmental regulations apply to the final assembly. Cross-reference datasheet parameters against system requirements before integration.

Alarms, Buzzers, And Sirens Selection Notes

Select this component when a self-contained audio source is required without complex driver circuitry. The 12V rating suits standard logic-level power supplies. Consider the 92dB output level relative to ambient noise requirements. The through-hole package offers robust mechanical stability compared to surface-mount alternatives. Evaluate the 3.8kHz frequency for optimal human hearing sensitivity in alert applications.

Alarms, Buzzers, And Sirens Part Context

This part belongs to the Same Sky piezo signaller portfolio, designed for reliable auditory feedback in electronic assemblies. The CPI series typically offers internally driven options to simplify board layout. These components serve as direct replacements for traditional buzzer types where consistent tone and volume are critical for user interface clarity.

Alarms, Buzzers, And Sirens Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation.