Microphone

Noise Cancelling microphone EMC9745P-2C eletret microphone

  • 9.4mmx7.5mm Omni-directional Noise Cancelling mini capacitive microphone condenser mic capsule 9475 for household electrical appliances,computer,toy,telephone,cell phone,earphone,headset headphone,m

  • Availability: Available
  • Brand: Esuntech
  • MODEL: EMC9745P-2C
  • Description
  • Order

Product Description

9.4mmx7.5mm  Omni-directional Noise Cancelling mini capacitive microphone condenser mic capsule 9475  for household electrical appliances,computer,toy,telephone,cell phone,earphone,headset headphone,medical,meter and instrument - Changzhou Esuntech Co Ltd.        

图片6

Test Conditions：VS=2.0V，RL=2.2KΩ,Temp=20±2°C, R.H=60±5%

ITEMSymbolTest ConditionsMinStandardMaxUnit
Sensitivity  Sf=1KHz,-58-55-52   dB
S.P.L=1Pa0dB=1V/Pa
Impedance  Zf=1KHz,

2.2KΩ
S.P.L=1Pa
Directivity                  Omni-directional
Current  Consumption  I


500μA
Operation Voltage Range  VS
1210V
S/N Ratio S/N(A)f=1KHz, S.P.L=1Pa55

dB
A Curve
Decreacing Voltage Characteristic  △Sf=1KHz, S.P.L=1Pa

-3dB
VS=4.5-3.0V
Max.Input Sound Level MISPLf=1KHz,

115dB
Distortion≤3%

3

TEST CIRCIUT

Vs:Source Voltage2.0V   RL:Load Resistance2.2KΩ

  C1=10pF  C2=33pF


3

Test Setup Drawing

333



Write A Order

Quick Information

Information

Customer Service

Main Poducts

Buzzer: piezoelectric (piezo) vibration element, piezoelectric buzzer, magnetic buzzer, SMD buzzer Speaker: piezo tweeter, mylar speaker, loudspeaker, tweeter speaker, TV speaker, car speaker, multimedia speaker, woofer, sub-woofer, waterproof speaker etc Ultrasonic sensor: for car parking system or distance tester

Copyright © 2022.CHANGZHOU ESUNTECH CO., LTD. All rights reserved.