Electret Condenser Microphone
Date:
4/1/09
Dimensions: mm (in.)
Part Number:
254-ECM938-RO
9.70±.20
(.38±.008)
4.50±.15
(.177±.006)
1.70
(.067)
Term. 2 (-)
Term. 1 (+)
Electret Condenser Microphone
Frequency Response Curve
-30
-40
-50
-60
-70
-80
20
50
200
500
2k
5k
20k
KT-400496
Electrical Specifications:
•
Sensitivity: -38±3dB
•
Output Impedance: 2.2KΩ (max.)
•
Frequency Range: 70-20,000Hz
•
Standard Operation Voltage: 3.0V
•
Current Consumption: 0.5mA (max.)
•
S/N Ratio: > 58dB
Mechanical Specifications:
•
Operating Temperature: -25~+70℃
•
Storage Temperature: -40~+70℃
Note:
•
RoHS Compliant
Available from Mouser Electronics
www.mouser.com
(800) 346-6873
Specifications are subject to change without notice. No liability or warranty implied by this information. Environmental compliance based on producer documentation.