ZT028LDFP1B

Overview

The ZT028LDFP1B is a piezoelectric buzzer manufactured by Mallory Sonalert Products Inc. This component operates at a resonant frequency of 2800 Hz and produces a sound pressure level of 85 dB when driven by a DC voltage of 3.0 V. The device features a flat profile design with dimensions of 28 mm in diameter and 8.5 mm in height. It utilizes a through-hole mounting configuration with two leads for electrical connection. The unit is designed for continuous duty operation within a temperature range of -20°C to +70°C.

Feature Summary

• Piezoelectric transduction mechanism for reliable acoustic output
• Flat low-profile housing suitable for space-constrained enclosures
• Through-hole lead termination for standard PCB assembly processes

Applications

• Electronic appliance status indicators
• Portable device alert systems
• Industrial control panel signaling

Procurement Notes

Verify the specific ordering suffix against the manufacturer's current datasheet to ensure compatibility with required voltage and frequency tolerances. Confirm that the lead form matches the target printed circuit board layout. Check for any RoHS compliance declarations if environmental regulations apply to the final assembly. Ensure the operating voltage aligns with the system power supply specifications to prevent damage or insufficient sound pressure levels.

Selection Notes

Select this component based on the requirement for a 2800 Hz tone and 85 dB output level. Consider the 3.0 V DC drive requirement when designing the driver circuit. Evaluate the physical constraints of the enclosure against the 28 mm diameter and 8.5 mm height dimensions. Assess the thermal environment to ensure operation remains within the specified -20°C to +70°C range for consistent performance.

Part Context

This part belongs to the Mallory Sonalert piezoelectric buzzer family, which offers various frequencies and sound pressure levels. These components are widely used in consumer electronics and industrial equipment for audible alerts. The ZT series specifically denotes a particular form factor and mounting style within the broader product line, emphasizing compactness and ease of integration into standard manufacturing workflows.

Replacement Considerations

Consult official substitution guides from Mallory Sonalert or authorized distributors for direct replacements. Verify that alternative parts match the 2800 Hz frequency, 85 dB SPL, and 3.0 V DC specifications. Ensure mechanical footprint compatibility with the existing PCB pads. Cross-reference pinout configurations to avoid wiring errors during retrofitting.