MR-23151-000 Knowles Acoustics, MR-23151-000 Datasheet - Page 6
![MIC MAGNETIC 50' SUBMERSIBLE](/photos/0/4/461/mr-23151_sml.jpg)
MR-23151-000
Manufacturer Part Number
MR-23151-000
Description
MIC MAGNETIC 50' SUBMERSIBLE
Manufacturer
Knowles Acoustics
Series
MRr
Type
Magnetic, Waterproofr
Specifications of MR-23151-000
Sensitivity
-87.5dB ±3dB
Size / Dimension
Circular - 22.12mm Dia x 9.3mm H
Impedance
300 Ohm
Frequency
280Hz ~ 5kHz
Termination
Wire Leads
Direction
Omnidirectional
Port Location
Side
Directional Properties
Omnidirectional
Operating Voltage
1.3 V
Termination Style
Wire Leads
Dimensions
9.3 mm L
Diameter
22.12 mm
Length
9.3 mm
Transducer Function
Microphone
Device Type
Microphone
Directivity
Omni
External Diameter
22.12mm
Output Impedance
300ohm
Drain Current Max
50µA
Terminal Type
Wire Leads
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Filter Type
-
S/n Ratio
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
423-1015
MR-23151
MR-3151
MR3151
MR-23151
MR-3151
MR3151
6
Part Number System and Ordering Information
MICROPHONES – ECMs
Electret Condenser Microphones
Electret Condenser Microphones (ECM) are for general use in all electronic products requiring
a microphone. ECMs provide good acoustic performance and reliability under non-severe
environmental conditions.
•
•
•
•
•
•
Omni-Directional – 3 mm
Omni-Directional – 4 mm
Notes:
1. All sensitives are referenced at 1 kHz (1V/Pa)
2. Frequency graphs are typical. Contact manufacturer
corded and cordless phones, PDAs, notebooks, and mobile phones
Highly efficient electrical specifications
Industry standard sizes
Omni, Uni, and Noise Canceling Directivities
Integrated capacitors for RF filtering
Multiple terminations - Solderless, Pin Type, and Solder Pad
Used in a wide variety of applications, including wired and wireless headsets,
for more detailed information.
MB3 0 1 5 A S C-1
-10
-20
-30
Size (mm)
3x1.5
Size (mm)
4x1.5
20
10
-10
-20
-30
-10
-20
-30
20
10
0
20
10
100
0
0
100
100
2
2
3
3
3x1.5 FREQUENCY RESPONSE
4x1.5 FREQUENCY RESPONSE
Part Number
MB3015ASC-1
MB3015ASC-2
Part Number
MB4015ASC-1L
4
4
5 6 7 8 9
5 6 7 8 9
FREQUENCY (Hz)
FREQUENCY (Hz)
15 - Height of Microphone in mm (1.5)
30 - Diameter of Microphone in mm (3.0)
M - Electret Type Microphone
1 - ECM Sensitivity Level
C - Capacitor Configuration: A=10pF, B=33pF, C=33&10pF, Z=None
S - Terminal connection: B=PCB, P=Pin, S=Solder
A - Directivity: A=Omnidirectional, U=Uni-Directional, N=Noise Canceling, P=Preamplified
B - Charged Backplate, D=Charged Diaphram
1k
1k
www.knowles.com
2
2
Sensitivity (db)
Sensitivity (db)
3
3
-42.0±3
-44.0±3
-42.0±3
4
4
5 6 7 8 9
5 6 7 8 9
10k
10k
Filter
10pF & 33pF
10pF & 33pF
Filter
10pF & 33pF
Termination
Solder Type
Solder Type
Termination
Solder Type