SBT12CLHMPPC

Overview

The SBT12CLHMPPC is a piezoelectric buzzer manufactured by Mallory Sonalert Products Inc. It operates at a nominal voltage of 12 VDC and produces an acoustic output level of approximately 85 dB at a distance of 10 cm. The device features a built-in oscillator circuit, enabling it to generate a continuous tone when powered. Key electrical specifications include a current draw of roughly 30 mA and an operating frequency centered around 2.7 kHz. The unit is designed for through-hole mounting with two leads.

Feature Summary

• Integrated oscillator circuit for direct drive operation
• Piezoelectric sound generation mechanism
• Through-hole leaded package design

Applications

• General purpose audible alarms
• Indicator tones in consumer electronics
• Control panel status signals

Procurement Notes

Verify the specific suffix codes against the manufacturer's latest datasheet to ensure correct acoustic characteristics and mounting style. Confirm that the 12 VDC rating aligns with your system's power supply rails. Check lead spacing and physical dimensions against your PCB layout requirements before finalizing procurement.

Selection Notes

Select this component when a simple, low-cost audible indicator is required without external driving circuitry. Ensure the application environment supports the operating temperature range specified in the official documentation. Consider the acoustic output level relative to ambient noise conditions in the target enclosure.

Part Context

This part belongs to the Sonalert family of piezoelectric buzzers known for reliability and consistent performance. Mallory Sonalert Products Inc. specializes in audible signaling devices for industrial and commercial applications. The SBT series typically offers robust construction suitable for various electronic assemblies requiring clear auditory feedback.

Replacement Considerations

Consult official substitution guides from Mallory Sonalert or authorized distributors for verified equivalents. Ensure any replacement matches the voltage, current, and acoustic output specifications. Verify mechanical compatibility including lead pitch and mounting hole dimensions.