WM-034B Datasheet, PDF (1/1 Pages) Panasonic Semiconductor – Omnidirectional Electret Condenser Microphone Cartridge

Omnidirectional Electret
Condenser Microphone Cartridge
Microphone Cartridges
Series: WM-034B/034DB (pin type)
WM-034C/034D
I Features
G Useful for almost any type telephone and other
applications
G Low operation voltage of 1.0V to 10V (2M-034D type)
G Microphone with pins for PCB (WM-034B/034DB type)
I Sensitivity
WM-034B/034C
Vs = 4.5V
RL = 2.2kΩ
X –46±3dB
Y –42±3dB
Z –38±3dB
I Specifications
Sensitivity
Impedance
Directivity
Frequency
Max. operation voltage
Standard operation voltage
Current consumption
Sensitivity reduction
S/N ratio
I Typical Frequency Response Curve
+20
+10
0
–10
–20
–30
20
50 100
I Dimensions in mm (not to scale)
WM-034B/034DB
6.7
4.5
WM-034DB/034D
Vs = 1.5V
RL = 1.5kΩ
M –44±2dB
H –42±2dB
P –40±2dB
R –38±2dB
U –36±2dB
See next page (0dB = 1V/pA, 1kHz)
Less than 2.2k Ω [1.5k Ω]
Omnidirectional
20–16,000 Hz
10V
4.5V [1.5V]
Max. 0.8mA [0.3mA]
Within –3dB at 3V
[(M.H.): Within –3dB at 1V]
[(P.R.U.): Within –2dB at 1V]
More than 60dB
200
500 1000 2000
Frequency (Hz)
5000 10000 20000
WM-34C/034D
6.7
2.0
Term 1
output
2.0
Term 1
output
Term 2
ground
Term 2
ground
Design and specifications are subject to change without notice. Ask factory for technical specifications before purchase and/or use.
Whenever a doubt about safety arises from this product, please contact us immediately for technical consultation.