SC628ADJR

Overview

The SC628ADJR is an industrial-grade piezoelectric buzzer from the Mallory Sonalert SC series. It operates on a voltage range of 6 to 28 VAC or DC with a current draw of 6 to 20 mA. The device produces a fast pulse tone at a frequency of 2 kHz. It features a sound pressure level of 60 dB measured at 7.5 V and 61 cm distance. The unit utilizes screw terminals and quick-connect tabs for connection and is designed for panel mounting.

Feature Summary

• Piezoelectric technology for reliable audio signaling
• Internal driver circuitry for direct operation
• Dual terminal interface options including screw and quick-connect

Applications

• Industrial equipment status indication
• Control panel alarm systems
• Medical device audio alerts

Procurement Notes

Verify the specific suffix against official Mallory Sonalert documentation to confirm terminal type and acoustic specifications. Ensure the operating voltage matches the 6-28V AC/DC requirement. Confirm RoHS compliance status through the manufacturer's latest environmental declarations before finalizing procurement.

Selection Notes

Select this component when a fast pulse alert is required for industrial environments. The dual termination style offers flexibility for different panel wiring configurations. Verify that the 60 dB SPL meets the audibility requirements for the installation location.

Part Context

This part belongs to the SC series, which serves as the foundational design for Mallory Sonalert's industrial alarms. The series has been in production since the 1960s and is recognized as a standard for panel-mounted audio indicators in various sectors.

Replacement Considerations

SC628ADPR is a documented variant within the same series offering similar electrical characteristics.