SMT-0825-S-2-R

Alarms, Buzzers, And Sirens Overview

The PUI Audio SMT-0825-S-2-R is a surface-mount electromagnetic transducer with a square footprint measuring 8.5 mm x 8.5 mm and a height of 3.5 mm. It operates at a resonant frequency of 2.5 kHz, delivering an acoustic output of 87 dBA at 3.6 Vp-p measured from 10 cm. The unit features a nominal impedance of 15 ohms and draws 90 mA. It utilizes gullwing lead termination for board mounting and functions within a temperature range of -30°C to +70°C.

Alarms, Buzzers, And Sirens Feature Summary

• Externally driven electromagnetic design suitable for surface-mount assembly
• Side-firing acoustic output configuration
• RoHS compliant construction

Alarms, Buzzers, And Sirens Applications

• Portable electronic devices requiring compact audio signaling
• Consumer electronics needing low-profile buzzers
• Industrial control panels for status indication

Alarms, Buzzers, And Sirens Procurement Notes

Verify the specific suffix against the manufacturer's current datasheet to confirm electrical characteristics and packaging details. Ensure the ordering code matches the required voltage and frequency specifications for your circuit design. Confirm RoHS compliance status if environmental regulations apply to your manufacturing process.

Alarms, Buzzers, And Sirens Selection Notes

Select this component when a low-profile, side-firing electromagnetic transducer is required for surface-mount technology. The 8.5 mm square form factor allows for dense PCB layouts. Consider the 2.5 kHz resonant frequency and 87 dBA output level to ensure adequate audibility for the intended application environment.

Alarms, Buzzers, And Sirens Part Context

This part belongs to the SMT series of surface-mount transducers from PUI Audio. These components are designed as drop-in replacements for through-hole equivalents in modern electronics manufacturing. The series offers various sizes and acoustic outputs to meet diverse space and volume constraints in portable device designs.

Alarms, Buzzers, And Sirens Replacement Considerations

Check for direct substitutes such as the SMT-0825-S-4-R or other variants within the same 8.5 mm footprint family. Verify that alternative parts match the 2.5 kHz frequency and 87 dBA sensitivity requirements before substitution.