page
date
1 of 4
06/2008
PART NUMBER:
CMC-2742WBL-25L
DESCRIPTION:
electret condenser microphone
SPECIFICATIONS
directivity
sensitivity (S)
sensitivity reduction (ΔS-Vs)
operating voltage
output impedance (Zout)
operating frequency (f)
current consumption (I
DSS
)
signal to noise ratio (S/N)
operating temperature
storage temperature
dimensions
weight
material
terminal
RoHS
dustproof and waterproof level
note:
omnidirectional
-42 ±3 db
f = 1KHz, 1Pa
-3 dB
f = 1KHz, 1Pa
2 V dc (standard), 10 V dc (max.)
2.2 KΩ
f = 1KHz, 1Pa
100 ~ 20,000 Hz
0.5 mA max.
Vs = 2.0 V dc
57 dBA
f = 1KHz, 1Pa
-20 ~ +70° C
-20 ~ +70° C
ø6.0 x 2.7 mm
0.22 g max.
Al
wire type (hand soldering only)
yes
IP57
0dB = 1V/Pa
Vs = 2.0 ~ 1.5 V dc
RL = 2.2KΩ
A-weighted
We use the “Pascal (Pa)” indication of sensitivity as per the recomendation of I.E.C. (International
Electrotechnical Commission). The sensitivity of “Pa” will increase 20dB compared to the “ubar”
indication. Example: -60dB (0dB = 1V/ubar) = -40dB (1V/Pa)
APPEARANCE DRAWING
tolerances not shown: ±0.3mm
MAX 4.1
2.7 0.2
6.0 0.2
25.0 3.0
(2 PLCS)
UL1571, 30AWG
2.0 0.5
(2 PLCS)
BLACK
Terminal 2
RED
Terminal 1
20050
SW
112
th
Ave. Tualatin, Oregon
97062
phone
503.612.2300
fax
503.612.2383
CUI [ CUI INC ]
