BL-21994-000 Knowles Acoustics, BL-21994-000 Datasheet - Page 2

MIC ASSY PIEZO INSTR W/38" CABLE

BL-21994-000

Manufacturer Part Number
BL-21994-000
Description
MIC ASSY PIEZO INSTR W/38" CABLE
Manufacturer
Knowles Acoustics
Series
BLr
Type
Piezo Condenserr
Datasheets

Specifications of BL-21994-000

Sensitivity
-69dB ±3dB
Voltage - Rated
3V
Current
160µA
Size / Dimension
Circular - 12.7mm Dia x 25.4mm H
Impedance
4K Ohm
Frequency
20Hz ~ 10kHz
Termination
Wire Leads
Direction
Omnidirectional
Port Location
Top
Diameter
12.7 mm
Transducer Function
Microphone
Device Type
Microphone
Directivity
Omni
External Diameter
12.7mm
Output Impedance
4000ohm
Length
25.4mm
Outer Diameter
12.7mm
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Filter Type
-
S/n Ratio
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
423-1002
BL-1994
BL-21994
BL1994
2
Discover
your next acoustic interface solution.
Knowles reserves the right to change designs and specifications without prior notice. Should a safety concern
arise regarding this product, please contact us immediately for technical consultation. Knowles cannot assume
responsibility for any problems arising out of the use of this product. This information does not convey any
license by any implication under any patents or other right.
Knowles Acoustics offers you a full
spectrum of MEMS microphones,
electret condenser microphones,
specialty microphones, balanced
armature speakers, custom
assemblies, and sound conditioning
software. This application guide will
help you select the right acoustic
interface solution.
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