TOM-1545P-R

Overview

The TOM-1545P-R is an omnidirectional electret microphone manufactured by PUI Audio. It features a 4 mm diameter and utilizes SMD/SMT termination for surface mount integration. The device operates at a voltage of 1.5 V with an impedance of 2.2 kOhms and a sensitivity of -46 dB. Physical dimensions include a length of 9.7 mm, width of 9.7 mm, and depth of 6.7 mm.

Feature Summary

• Omnidirectional acoustic design for uniform sound capture
• Surface mount termination for automated PCB assembly
• Low voltage operation suitable for portable electronics

Applications

• Consumer electronic audio input devices
• Portable communication equipment
• Voice recognition modules

Procurement Notes

Verify the specific datasheet version to confirm RoHS compliance status and detailed electrical tolerances. Ensure that the SMD pad layout matches the manufacturer's recommended footprint to guarantee reliable solder joint formation during the reflow process.

Selection Notes

Select this component when a low-profile, surface-mount solution is required for voice pickup applications. The 4 mm form factor allows for compact designs, while the 1.5 V operating voltage supports battery-powered systems with minimal power consumption requirements.

Part Context

This model belongs to the TOM series of microphones from PUI Audio. The series provides various configurations for audio sensing needs. This specific part number denotes the standard omnidirectional variant with surface mount capabilities and defined acoustic parameters.

Replacement Considerations

Consult official substitution guides for direct equivalents within the same product family. Verify mechanical compatibility and electrical parameter alignment before integrating alternative components into existing designs.