BL-21994
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

BL-21994-000

DigiKey Part Number
423-1002-ND
Manufacturer
Knowles
Manufacturer Product Number
BL-21994-000
Description
MICROPHONE PIEZO ANALOG OMNI
Customer Reference
Detailed Description
20 Hz ~ 10 kHz Analog Microphone Piezo Omnidirectional (-69dB ±3dB @ 74dB SPL) Wire Leads
Datasheet
 Datasheet
EDA/CAD Models
BL-21994-000 Models
Product Attributes
Type
Description
Select All
Category
Manufacturer
Knowles
Series
BL
Packaging
Bulk
Part Status
Obsolete
Type
Piezo
Output Type
Analog
Direction
Omnidirectional
Frequency Range
20 Hz ~ 10 kHz
Sensitivity
-69dB ±3dB @ 74dB SPL
S/N Ratio
-
Impedance
4 kOhms
Voltage - Rated
3 V
Current - Supply
160 µA
Port Location
Top
Termination
Wire Leads
Size / Dimension
0.500" Dia (12.70mm)
Height (Max)
1.008" (25.60mm)
Shape
Circular
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Obsolete
This product is no longer manufactured.