PS-733WDB-SQ

Overview

The PS-733WDB-SQ is an internally driven piezoelectric buzzer manufactured by Mallory Sonalert Products Inc. It operates on a DC voltage range of 5 to 15V with a current consumption of 200mA. The device produces a sound pressure level of 85dB at 12V measured at 300cm. Its operating frequency ranges from 2.5kHz to 4.5kHz, utilizing a siren operating mode. The unit features wire lead termination and is designed for surface mount installation.

Feature Summary

• Internally driven piezoelectric technology for direct signal input
• Water-resistant mylar cone construction for environmental protection
• Siren operating mode for distinct audio warning signals
• Surface mount design with wire lead termination

Applications

• Industrial equipment status indication
• Consumer electronics alarm systems
• Transportation vehicle warning devices
• Medical device auditory alerts

Procurement Notes

Verify the specific voltage and current requirements against your system design before procurement. Confirm that the surface mount footprint and wire lead orientation match your PCB layout. Ensure the water-resistant mylar cone specification meets the environmental exposure requirements of the intended application site.

Selection Notes

Select this component when a high-intensity siren tone is required in a compact surface mount form factor. The internal drive capability simplifies circuit design by eliminating external oscillator components. Consider the 5-15V operating range to ensure compatibility with available power supplies in the target assembly.

Part Context

This part belongs to the Mallory Sonalert family of piezoelectric buzzers, known for reliable acoustic signaling in industrial and consumer markets. The brand has a long history of producing audio indicators since the 1960s. This specific model represents their surface mount solutions for modern automated manufacturing processes.

Replacement Considerations

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