Ultrasmall Microphone
July 2008
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At 3.0 × 1.5 mm, an ultrasmall omnidirectional electret condenser microphone has a frequency range of 100 Hz to 20 KHz at a stable sensitivity of –42 ± 3 dB. The Model KEFG1542 is suited for uses such as mobile phones, computer notebooks, GPS devices, and any application where small size and omnidirectional needs are primary considerations. Available from stock in sample quantities, the microphone is RoHS compliant and is offered in solder-type termination for wire lead configurations. Transducers USA, www.tusainc.com

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