SC628EJ

Overview

The SC628EJ is an industrial-grade piezoelectric buzzer manufactured by Mallory Sonalert Products Inc. It operates on a voltage range of 6 to 28 VDC with a rated current of 28 mA. The device produces a slow pulse tone at a frequency of 1900 Hz and achieves a sound pressure level of 78 dBA. It features screw terminals for connection and is designed for flush mounting. The unit has a diameter of 43 mm and weighs 45 g.

Feature Summary

• Generates a slow pulse audio signal using internal piezoelectric technology
• Designed for flush mounting applications in industrial environments
• Utilizes screw terminal connections for secure electrical attachment

Applications

• Industrial equipment status indication
• Machine fault warning systems
• Control panel audio alerts

Procurement Notes

Verify the specific suffix designation against official Mallory Sonalert documentation to confirm exact acoustic characteristics and termination type. Ensure the operating voltage aligns with the 6-28 VDC specification. Confirm that the flush mounting style matches the enclosure design requirements before procurement.

Selection Notes

Select this component when a low-profile, internally driven piezoelectric indicator is required. The SC628EJ is suitable for applications needing a distinct slow pulse alert within a compact 43 mm form factor. Verify compatibility with the target control voltage and ensure sufficient space for flush installation.

Part Context

This part belongs to the SC series of industrial alarms from Mallory Sonalert. The SC series is known for providing reliable audio signaling solutions for demanding environments. These devices typically integrate the driver circuitry directly into the transducer assembly, simplifying system design and reducing external component requirements.

Replacement Considerations

SC628EJR is listed as a RoHS-compliant version of this product.