SMT-1027-S-3-R

Alarms, Buzzers, And Sirens Overview

The SMT-1027-S-3-R is an externally driven electromechanical transducer manufactured by PUI Audio, Inc. Designed for surface mount technology (SMT) applications, this device operates on a zero-peak signal input type and supports single-tone functionality. It features a resonant frequency of 2.7 kHz and delivers a sound pressure level of 85 dB at 3.6 V. The unit requires a supply current of 80 mA and functions within an operating temperature range of -20°C to 60°C. Its physical dimensions are specified as 3.2 mm in height, 11 mm in width, and 14 mm in length.

Alarms, Buzzers, And Sirens Feature Summary

• Surface mount design for automated PCB assembly
• Externally driven electromechanical transduction
• Single-tone operational mode

Alarms, Buzzers, And Sirens Applications

• Electronic equipment status indication
• Alarm systems requiring audible alerts
• Consumer electronics feedback mechanisms

Alarms, Buzzers, And Sirens Procurement Notes

Verify the specific voltage and current requirements against your circuit design, as datasheets may list parameters at different test conditions such as 3.6V. Confirm moisture sensitivity level (MSL) ratings if your manufacturing process involves strict reflow soldering profiles. Ensure the surface mount footprint matches your board layout exactly. Cross-reference the manufacturer part number with official distributor catalogs to confirm availability and lead times before finalizing procurement plans.

Alarms, Buzzers, And Sirens Selection Notes

Select this component when a compact, surface-mountable audible indicator is required for space-constrained designs. The 2.7 kHz resonant frequency provides a distinct tone suitable for attention-grabbing alerts. Consider the 80 mA current draw to ensure your power supply can handle the load without voltage droop. Verify that the external driver circuit can provide the necessary zero-peak signal to activate the transducer effectively.

Alarms, Buzzers, And Sirens Part Context

This model belongs to PUI Audio's line of electromechanical buzzers and transducers. It is categorized under audio devices and indicators. The product is designed for integration into various electronic assemblies where reliable acoustic signaling is necessary. It represents a standard solution for manufacturers needing pre-tuned acoustic outputs without the complexity of active driver circuits integrated into the package.

Alarms, Buzzers, And Sirens Replacement Considerations

Direct substitutes include the SMI-1027-TW-3V-R, though it utilizes gullwing leads rather than surface mount pads. The SMT-1027-S-3-R is functionally similar but may differ in mounting style and exact electrical characteristics. Always verify mechanical dimensions and electrical ratings before swapping components.