BU-23173-000 Knowles Acoustics, BU-23173-000 Datasheet - Page 22
![ACCELEROMETER 1.5V -39DB LOWFREQ](/photos/38/54/385448/bu-23173_sml.jpg)
BU-23173-000
Manufacturer Part Number
BU-23173-000
Description
ACCELEROMETER 1.5V -39DB LOWFREQ
Manufacturer
Knowles Acoustics
Series
BUr
Specifications of BU-23173-000
Sensitivity
-39dB ±4.5dB
Mounting Type
Surface Mount
Dimensions
7.87 mm L x 5.54 mm W x 4.06 mm D
Depth
4.06 mm
Length
7.87 mm
Width
5.54 mm
Input Current
50µA
Supply Voltage
1.5V
Sensor Mounting
SMD
Frequency Response Min
300Hz
Frequency Response Max
3kHz
Leaded Process Compatible
No
Transducer Function
Vibration
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Axis
-
Acceleration Range
-
Voltage - Supply
-
Output Type
-
Bandwidth
-
Interface
-
Package / Case
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
BU-23173
BU-3173
BU-3173
BU-3173
BU-3173
22
SPECIALTY TRANSDUCERS – Speakers
SR SERIES
At 8.8mm diameter, the SR is the first round balanced armature speaker in the
marketplace. SR offers output equivalent to the BK series and maximizes
bass performance.
CI SERIES
Knowles’ largest and most powerful speaker, the CI series is the speaker of choice.
With its high efficiency and a 143dB SPL maximum output, the CI speaker provides
optimal low frequency performance.
Note: All performance curves are typical
M M o o d d e e l l
SR-8850NSS-000
SR-8850NWS-000
M M o o d d e e l l
CI-22748-000
CI-22762-000
CI-22955-000
CI-22960-000
CI-28487-000
CI-28597-000
– Balanced Armature Speaker 9.47 x 7.18 x 4.10 (mm)
– Balanced Armature Speaker 8.84 DIA x 5.00 (mm)
Sensitivity @ 1kHz
Sensitivity @ 1kHz
(dB SPL)
(dB SPL)
114.5
113
125
125
125
125
125
125
•
•
•
•
•
•
Round package facilitates earphone designs
Drop-in upgrade for moving coil dynamic speakers
Designed for high volume production
Balanced armature technology
Two-terminal zero-bias and three-terminal
center-tapped configurations
Various port locations, coil impedances,
termination configurations, and frequency
responses available
Port Location
Port Location
Face
Face
12C
12C
12C
11S
1S
1S
www.knowles.com
Impedance @ 500Hz
Impedance @ 500Hz
100 @ 1kHz
68 @ 1kHz
68 @ 1kHz
(Ohms)
(Ohms)
21.5
250
175
400
37
Max SPL @ 500Hz
Max SPL @ 500Hz
(dB SPL)
(dB SPL)
124.5
128.5
128.5
128.5
128.5
128.5
128.5
123
135
125
115
105
130
125
120
115
110
105
100
95
95
90
85
80
100
100
Max SPL @ 1st Peak
Max SPL @ 1st Peak
(dB SPL)
(dB SPL)
2
2
130.5
138.5
138.5
138.5
138.5
138.5
138.5
132
3
3
4
4
5
5 6 7 8 9
6 7 8 9
FREQUENCY (Hz)
FREQUENCY (Hz)
1k
1k
2
2
3
3
4
4
5
5
6 7 8 9
6 7 8 9
10k
10k