CMEJ-0413-42-SMT-TR

$0.43

Description：MIC COND ANLG OMNI -42DB 0.157"D
Series：CMEJ
Mfr：Same Sky (Formerly CUI Devices)
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:412a55873835 Category: Microphones Brand: Same Sky (Formerly CUI Devices)

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Product introduction

Product Detailed Parameters

Description：MIC COND ANLG OMNI -42DB 0.157"D
Series：CMEJ
Mfr：Same Sky (Formerly CUI Devices)
Package：Tape & Reel (TR),Cut Tape (CT)
Type：Electret Condenser
Output Type：Analog
Direction：Omnidirectional
Frequency Range：100 Hz ~ 10 kHz
Sensitivity：-42dB ±3dB @ 94dB SPL
S/N Ratio：60dB
Impedance：-
Voltage Range：-
Current - Supply：500 µA
Port Location：Top
Ratings：-
Termination：Surface Mount
Size / Dimension：0.157" Dia (4.00mm)
Height (Max)：0.059" (1.50mm)
Shape：Circular
Grade：-
Qualification：-
Voltage - Rated：2 V

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CMEJ-0413-42-SMT-TR

Overview

The CMEJ-0413-42-SMT-TR is an omnidirectional electret condenser microphone manufactured by Same Sky. It features a compact surface-mount design with a diameter of 4 mm and a depth of 1.3 mm. The component operates at a DC voltage of 2.0 V with a current rating of 500 uA. It provides a sensitivity of -42 dB and has an impedance of 2.2 kOhms. The device utilizes SMD/SMT termination for PCB integration.

Feature Summary

Omnidirectional acoustic pickup pattern
Compact surface-mount form factor
Electret condenser transducer technology

Applications

Audio input devices
Voice recognition systems
Consumer electronics

Procurement Notes

Verify the specific manufacturer part number against official Same Sky documentation to confirm electrical characteristics and physical dimensions. Ensure compatibility with the intended PCB footprint and soldering profile. Confirm that the operating voltage and current requirements align with the target circuit design before procurement.

Selection Notes

Select this component when a low-profile, omnidirectional microphone is required for surface-mount assembly. Consider the 4 mm diameter and 1.3 mm height constraints. Evaluate the -42 dB sensitivity and 2.0 V operating voltage against system signal-to-noise ratio and power budget requirements.

Part Context

This microphone belongs to the Same Sky audio devices portfolio, specifically within the electret condenser category. It is designed for applications requiring reliable sound capture in a minimal board space. The product line emphasizes standard interface parameters suitable for general-purpose audio sensing tasks.