PT-2745FWQ

Overview

The PT-2745FWQ is a self-drive piezoelectric transducer manufactured by Mallory Sonalert Products Inc. It operates within a voltage range of 3 to 28 Vp-p and features a resonant frequency of 4000 Hz with a tolerance of ±500 Hz. The device is designed for through-hole mounting and utilizes solder pin termination. It functions as an audio indicator or alarm component, suitable for applications requiring specific acoustic signaling.

Feature Summary

• Self-drive piezoelectric operation
• Through-hole installation style
• Solder pin electrical connection

Applications

• Industrial alarms
• Audio indicators
• Sound alerts

Procurement Notes

Verify the exact operating voltage requirements against the 3-28 Vp-p specification before procurement. Confirm that the 4000 Hz resonant frequency aligns with the target application's acoustic needs. Ensure the manufacturing source is Mallory Sonalert Products Inc. to guarantee component authenticity and performance consistency.

Selection Notes

Select this component when a self-exciting piezoelectric buzzer is required for panel or board integration. The 4000 Hz frequency provides a distinct audible tone. Consider the 3-28 Vp-p operating range for compatibility with low-voltage control circuits. Verify that the through-hole package fits the available PCB layout constraints.

Part Context

This part belongs to the PT series of piezoelectric transducers from Mallory Sonalert. These components are categorized under audio devices and alarms. The PT-2745FWQ specifically offers a single-tone output at 4 kHz, distinguishing it from dual-tone or multi-frequency variants in the broader product line.

FAQ

What is the resonant frequency of the PT-2745FWQ?

The resonant frequency is 4000 Hz with a tolerance of ±500 Hz.

What type of termination does this component use?

It uses solder pins for through-hole mounting.