CM-28431-000 Knowles Acoustics, CM-28431-000 Datasheet - Page 7

• Manufacturer Part Number: CM-28431-000
• Description: SPEAKER W/FLEX TABS LP Z=30
• Manufacturer: Knowles Acoustics
• Series: CMr
• Type: Magnetic, Balanced Armature, Face Portr

Specifications of CM-28431-000

• Impedance: 30 Ohm
• Size / Dimension: 16.54mm Dia x 8.26mm H
• Termination: Flex Contacts
• Shape: Round
• Transducer Function: Speaker
• Resonant Frequency: 1kHz
• External Diameter: 16.64mm
• External Width: 16.64mm
• Sound Level Spl: 119dB
• Outer Diameter: 16.64mm
• Sensitivity, Db: 103dB
• Rohs Compliant: Yes
• Sensitivity (db): 103dB
• External Depth: 8.38mm
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Rated: -
• Power - Max: -
• Frequency Range: -
• Sound Pressure Level: -
• Material - Cone: -
• Material - Magnet: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 423-1037; CM-28431; CM-8431; CM8431

Omni-Directional – 6 mm
Omni-Directional – 9.7 mm
Notes:
1. All sensitives are referenced at 1 kHz (1V/Pa)
2. Frequency graphs are typical. Contact manufacturer
for more detailed information.
Size (mm)
9.7x4.5
Size (mm)
6X1.3
6x1.5
6x2.2
6x2.7
6X5.2
-10
-20
-30
-10
-20
-30
20
10
-10
-20
-30
20
10
20
10
0
0
0
100
100
100
2
2
2
Part Number
MD9745APA-1
MD9745APZ-F
3
3
3
9.7x4.5 FREQUENCY RESPONSE
6x1.3 FREQUENCY RESPONSE
6x2.2 FREQUENCY RESPONSE
4
4
4
Part Number
MB6013ASC-1
MB6015ASC-1
MB6022ASC-1L
MB6022APC-0
MB6022ABC-3
MB6027ASC-1L
MB6052ASC-1
5 6 7 8 9
5 6 7 8 9
5 6 7 8 9
FREQUENCY (Hz)
FREQUENCY (Hz)
FREQUENCY (Hz)
www.knowles.com
1k
1k
1k
Sensitivity (db)
-41.0±3
-42.0±2
2
2
2
Sensitivity (db)
3
3
3
-42.0±3
-42.0±3
-40.0±3
-40.0±3
-45.0±2
-42.0±3
-42.0±3
4
4
4
5 6 7 8 9
5 6 7 8 9
5 6 7 8 9
Filter
10pF
None
10k
10k
10k
10pF & 33pF
10pF & 33pF
10pF & 33pF
10pF & 33pF
10pF & 33pF
10pF & 33pF
10pF & 33pF
Filter
Termination
Pin Type
Pin Type
MICROPHONES – ECMs
-10
-20
-30
20
10
0
-10
-20
-30
20
10
0
100
100
PCB, Bullseye
Termination
Solder Type
Solder Type
Solder Type
Solder Type
Solder Type
Pin Type
2
2
3
3
6x1.5 FREQUENCY RESPONSE
6x2.7 FREQUENCY RESPONSE
4
4
5 6 7 8 9
5 6 7 8 9
FREQUENCY (Hz)
FREQUENCY (Hz)
1k
1k
2
2
3
3
4
4
5 6 7 8 9
5 6 7 8 9
10k
10k
7