Electret Condenser Microphones
Date:
2/8/07
Dimensions: mm (in)
Part Number:
25LM044 25LM047 25LM048
25LM044
25LM047
25LM048
9.8 ±.203
(.386 ±.008)
298.45 (11.75)
7.21 ±.203
(.284 ±.008)
7.21 ±.203
(.284 ±.008)
9.8 ±.203
(.386 ±.008)
24.89
(.98) 7.21 ±.203
9.8 ±.203
(.386 ±.008)
(.284 ±.008)
Electret Condenser Microphones
3
BATT
1
white
3- ø.482
(ø.019)
3- .304
(.012)
1
Output
3
red
2
unshielded
2
GND
25LM048 only
Frequency Response Deviation
+10dB
+4
+3
+3
+3
+4
+12
+12
0dB
-4
-3
-3
-3
-3
-10dB
-20dB
10
20
Hz
50
100
200
Hz
500
1000
2000
Hz
5000
10000
20000
KT-400031
Electrical Specifications:
•
Sensitivity: -44dB ±3dB (OdB=1V/1Pa)
•
Output impedance: 2KΩ max.
•
Frequency range: 50Hz-10KHz
•
Working voltage range: 1.3V~12V
•
Standard working voltage: 3V
•
Current drain: 500μA max.
•
Maximum input sound pressure: 120dB SPL
•
S/N ratio: 60dB min.
•
Sensitivity reduction: within -3dB at 1.5V
Materials:
•
Lead: 12” coaxial (25LM044),
leadless (25LM047),
PC (25LM048)
Specifications are subject to change without notice. No liability or warranty implied by this information. Environmental compliance based on producer documentation.
Available from Mouser Electronics
www.mouser.com
(800) 346-6873
