EK-3142 Datasheet | Knowles

Features - Electret Condenser Microphone - Lowest Noise Emkay Microphone - Rugged Construction to Withstand Severe Environmental Conditions - High Electroacoustic Sensitivity - High Resistance to Mechanical Shock - Low Vibration Sensitivity - Various Responses Available - Available with RFI Supression EK omnidirectional microphones provide a unique bination of size, performance and value. These popular microphones are available in many model varieties without the expense or lead time of a custom order. Available in unidirectional as well - see the EL Series. SPECIALTY TRANSDUCERS CUSTOM ASSEMBLIES MICROPHONES ACOUSTIC TECHNOLOGY EK Series Microphone Specifications Performance Frequency Response Sensitivity Tolerance EK flat response models EK ski-slope, step response and all EL models DC Supply Current Drain Output Impedance @1k Hz DC Output Voltage Output Noise Level (A-weighted) Input-Referred Noise Level (A-weighted,1k Hz reference) Input-Referred Vibration Sensitivity Acoustic Polarity charted by response type +/-2.0d B @1000Hz +/-3.0d B @1000Hz 1.5 -10.0 V 19 u A typical 50 u A maximum 2800 to 6800 ohms 0.2 to 0.9V -103d BV typical 24d B SPL typical 26d B SPL maximum (1g acceleration,1k Hz reference) 62d B SPL maximum Increased pressure at sound inlet causes a positive-going voltage to appear at the output,terminal, relative to the negative terminal. Mechanical Weight Dimensions Case Material Solder Content 0.13 grams see outline drawings Type 305 stainless steel Sn63Pb37 Optional Soldering Fixture Base: Nest Plate: Back Plate: ET-3042 ET-800 ET-900 Environmental Humidity Coefficient of Sensitivity 0.02d B per %RH typical Temperature Range -17C to 63C operating -40C to 63C storage ESD Tolerance MIL-STD-750 Class 1 rating EOS/ESD-S5.1-1993 Class 2 rating .knowlesacoustics. AMERICAS: Knowles Acoustics 1151 Maplewood Drive Itasca, IL 60143 U.S.A. Phone: 630-250-5930 Fax:...