ROSM-1542-C3310-R

$3.84

Description：MIC COND ANALOG OMNI -42DB
Series：-
Mfr：PUI Audio, Inc.
Package：Cut Tape (CT)

SKU:3e05c6fd534c Category: Microphones Brand: PUI Audio, Inc.

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Product introduction

ROSM-1542-C3310-R is listed in the Microphones range at ChipApex. The manufacturer field lists PUI Audio, Inc.. Its product description is MIC COND ANALOG OMNI -42DB. Review the specifications below when checking this part for your BOM.

Microphones specifications for ROSM-1542-C3310-R

Description：MIC COND ANALOG OMNI -42DB
Series：-
Mfr：PUI Audio, Inc.
Package：Cut Tape (CT)
Type：Electret Condenser
Output Type：Analog
Direction：Omnidirectional
Frequency Range：100 Hz ~ 7 kHz
Sensitivity：-42dB ±3dB @ 94dB SPL
S/N Ratio：55dB
Impedance：100 Ohms
Voltage Range：2.1 V ~ 3.6 V
Current - Supply：200 µA
Port Location：Top
Ratings：-
Termination：Solder Pads
Size / Dimension：0.177" L x 0.177" W (4.50mm x 4.50mm)
Height (Max)：0.059" (1.50mm)
Shape：Square
Grade：-
Qualification：-
Voltage - Rated：2.1 V

Microphones datasheet and documents for ROSM-1542-C3310-R

ROSM-1542-C3310-R

Microphones Overview

The ROSM-1542-C3310-R is an omnidirectional electret condenser microphone manufactured by PUI Audio. It features a square footprint measuring 4.50 mm x 4.50 mm with solder pad termination. The device operates at a nominal voltage of 2.1 V and provides a sensitivity of -42 dB. Designed for analog audio signal capture, it utilizes a 360-degree polar pattern to ensure uniform sound reception from all directions.

Microphones Feature Summary

Omnidirectional acoustic design capturing sound uniformly across a 360-degree field
Electret condenser transducer technology for analog audio signal conversion
Compact square form factor with direct solder pad mounting interface

Microphones Applications

General purpose audio input devices
Voice recognition systems
Consumer electronic audio modules

Microphones Procurement Notes

Verify the specific electrical tolerance and sensitivity calibration against the official manufacturer datasheet prior to integration. Confirm that the 2.1 V operating voltage aligns with the target circuit supply rails. Ensure soldering procedures comply with thermal limits for surface mount components to maintain acoustic performance and structural integrity during assembly.

Microphones Selection Notes

Select this component when a low-profile, omnidirectional microphone is required for compact enclosures. The 4.50 mm square dimension suits space-constrained designs. Verify compatibility with preamplifier input impedance and biasing requirements for the specified 2.1 V operation. Consider the solder pad termination method for appropriate PCB layout and reflow profile selection.

Microphones Part Context

This part belongs to PUI Audio's line of electret condenser microphones (ECMs). These components are engineered for reliable analog audio capture in various consumer and industrial applications. The series emphasizes consistent acoustic performance within small physical footprints, supporting diverse integration needs for voice and ambient sound detection.