AS05045MR-R

Overview

The AS05045MR-R is a round electromagnetic speaker manufactured by PUI Audio, designed for board mount installation. It features a 50 mm diameter and 7.2 mm depth, utilizing Neodymium Iron Boron (NdFeB) magnet material and a Mylar cone. The component has an impedance of 45 Ohms and a power rating of 1 W. It delivers a sound pressure level of 97 dBA with a self-resonant frequency of 350 Hz. Electrical connections are made via solder pads. The operating temperature range spans from -20 C to +60 C.

Feature Summary

• Utilizes a neodymium iron boron magnetic structure for efficient electromagnetic transduction.
• Constructed with a Mylar cone material to support acoustic performance within specified parameters.
• Designed for direct board mounting using solder pad termination methods.

Applications

• Medical equipment audio signaling
• Industrial control panel indicators
• Security and fire alarm systems
• Food service equipment alerts

Procurement Notes

Verify the specific manufacturer part number AS05045MR-R against official PUI Audio documentation to ensure correct impedance and power ratings. Confirm that the 45 Ohm impedance aligns with the target circuit design requirements. Check RoHS compliance status through the provided datasheet references. Ensure the board mount solder pad interface matches the PCB layout specifications before finalizing procurement orders.

Selection Notes

Select this model when a high sensitivity output of 97 dBA is required in a compact 50 mm form factor. The 45 Ohm impedance may necessitate specific driver considerations compared to standard 8 Ohm or 4 Ohm alternatives. Evaluate the 1 W power handling capability against the intended signal levels. Consider the 350 Hz resonant frequency suitability for the desired audio tone or alert type.

Part Context

This component belongs to the AS series of speakers and transducers produced by PUI Audio, Inc., a manufacturer specializing in audio devices. The company provides various electromagnetic solutions for industrial and consumer applications. This specific model represents a standard board-mount option within their broader portfolio of audio components.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Engineers should verify compatibility with existing designs if considering alternative models from other manufacturers.