WP-23501-000 Knowles Acoustics, WP-23501-000 Datasheet - Page 6

• Manufacturer Part Number: WP-23501-000
• Description: MIC ELECTRET NOISE CANCEL WTRPRF
• Manufacturer: Knowles Acoustics
• Series: WPr
• Type: Electret, Waterproofr

Specifications of WP-23501-000

• Sensitivity: -54dB ±3dB
• Voltage - Rated: 1.3V
• Current: 300µA
• Size / Dimension: Rectangular - 5.56mm L x 3.99mm W x 2.21mm H
• Impedance: 2.5K Ohm
• Frequency: 100Hz ~ 4kHz
• Termination: Solder Pads
• Direction: Noise Cancelling
• Port Location: Bottom and Top
• Directional Properties: Noise Canceling
• Operating Voltage: 1.3 V
• Termination Style: Wire Leads
• Dimensions: 4.72 mm L x 3.76 mm W x 1.1 mm D
• Depth: 1.1 mm
• Length: 4.72 mm
• Width: 3.76 mm
• Transducer Function: Microphone
• Device Type: Electret, Waterproof
• Directivity: Noise Cancelling
• External Diameter: 3.99mm
• Terminal Type: Solder Pads
• Outer Diameter: 3.99mm
• 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: 423-1011; WP-23501; WP-3501; WP3501

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