產品概述

技術表下載                   KECG2742PBL-A   Datasheet

The KECG2742PBL-A from Kingstate is an electret condenser microphone. An electret microphone is a type of electrostatic capacitor based microphone, which eliminates the need for a polarizing power supply by using a permanently charged material.

• Sensitivity is -42dB
• Operating voltage is 2VDC
• Impedance is 2.2Kohm
• Rated voltage is 10VDC
• Sensitivity reduction is -3dB at f=1KHz, 1Pa, Vs=2.0VDC. to 1.5VDC
• Frequency range from 20Hz to 20KHz
• Maximum current consumption is 0.5mA at Vs=2.0VDC, RL=2.2Kohm
• Signal to noise ratio is 58dBA
• Omni directional directivity
• 6mm x 2.7mm dimension

• Connection: Pin terminal

應用

音頻, 消費電子產品, 便攜式器材

產品信息

傳感器類型:  擴音器                   方向性:全向性

頻率響應最小值: 20Hz               頻率響應最大值:20kHz
  
電源電壓最小值: -                      電源電壓最大值:10V

靈敏度 (dB): -42dB                     漏極電流最大值: -                    

輸出阻抗:  2.2kohm                    產品范圍: KECG2742 系列