AST0727MW-3.6ATRQ

Description：BUZZER MAGN 3.6V 7.5X7.5 SMD
Series：AST
Mfr：Mallory Sonalert Products Inc.
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:85d7c5e7f08c Category: Alarms, Buzzers, and Sirens Brand: Mallory Sonalert Products Inc.

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Product introduction

Product Detailed Parameters

Description：BUZZER MAGN 3.6V 7.5X7.5 SMD
Series：AST
Mfr：Mallory Sonalert Products Inc.
Package：Tape & Reel (TR),Cut Tape (CT)
Driver Circuitry：Transducer, Externally Driven
Input Type：Peak-Peak Signal
Frequency：2.7kHz
Technology：Magnetic
Operating Mode：Single Tone
Duration：-
Sound Pressure Level (SPL)：85dB @ 3.6V, 10cm
Current - Supply：100mA
Port Location：Side
Operating Temperature：-40°C ~ 85°C
Approval Agency：-
Ratings：-
Ingress Protection：-
Mounting Type：Surface Mount
Termination：Solder Pads
Height - Seated (Max)：0.098" (2.50mm)
Voltage - Rated：3.6 V
Voltage Range：2.5 ~ 4.5V
Size / Dimension：0.295" L x 0.295" W (7.50mm x 7.50mm)

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AST0727MW-3.6ATRQ

Overview

The AST0727MW-3.6ATRQ is a surface-mount magnetic buzzer manufactured by Mallory Sonalert Products Inc. It operates on a rated peak-peak signal voltage of 3.6V, with an operational range of 2.5 to 4.5V. The device generates sound at a frequency of 2.7kHz in a single-tone mode. Its compact form factor measures 7.5mm x 7.5mm, designed for direct integration into printed circuit boards.

Feature Summary

Surface-mount construction for automated PCB assembly
Magnetic transducer technology for acoustic output
Single-tone operation mode

Applications

Electronic devices requiring compact audible alerts
Industrial control panels with limited space
Consumer electronics internal signaling

Procurement Notes

Verify the specific suffix ATRQ corresponds to the Tape & Reel packaging configuration as indicated by distributor listings. Confirm that the 3.6V rating aligns with the target system's power supply rails to ensure optimal performance within the specified 2.5V to 4.5V operating range.

Selection Notes

Select this component when a low-profile, surface-mount solution is required for audible indication. The magnetic technology and small 7.5mm footprint make it suitable for dense circuit layouts where through-hole or larger piezoelectric alternatives do not fit. Ensure the driving circuit can provide the necessary current for the 3.6V rated voltage.

Part Context

This part belongs to the Mallory Sonalert lineup of alarms and buzzers. It utilizes magnetic technology rather than piezoelectric elements, distinguishing it from other series like SCE or ZA. The product is categorized under audio indicators and is available in tape and reel packaging for high-volume manufacturing processes.