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MODEL: CEB-20D64 │ DESCRIPTION: PIEZOELECTRIC DIAPHRAGM
FEATURES
• piezo element with feedback wire
• 30 Vp-p max operating voltage
• 6,500 Hz rated frequency
SPECIFICATIONS
parameter
conditions/description
min
typ
max
units
30
Vp-p
6,000
6,500
7,000
Hz
350
Ω
9,100
13,000
16,900
pF
operating voltage
resonant frequency
only for piezo element without wire
resonant impedance
only for piezo element without wire
electrostatic capacity
at 120 Hz/1 V
dc resistance
for 1 second
dimensions
Ø20 x 0.43
20
weight
material
brass
terminal
wire leads
MΩ
mm
1.5
g
operating temperature
-20
70
°C
storage temperature
-30
80
°C
RoHS
Notes:
yes
1. All specifications measured at 5~35°C, humidity at 45~85%, under 86~106kPa pressure, unless otherwise noted.
MECHANICAL DRAWING
units: mm
tolerance: ±0.5 mm
wire: UL1571 32 AWG
MTGEP36
Red
Black
45°
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MEASURING METHOD
Resonant Frequency / Resonant Impedance
The piezo electric diaphragm shall be clamped at a node point as shown in the following figure to be free from any
mechanical stress, and measured its resonant frequency and resonant impedance by using vector impedance analyzer or
equivalent.
When the input frequency is swept within 2 kHz to 8 kHz, the resonant frequency is defined as the frequency where the
impedance shows the minimum value, and this impedance shall be the resonant impedance.
Static Capacitance
The electrostatic capacitance shall be measured at 120 Hz by using LCR meter HP4194A(H.P.) or equivalent. This part shall
be clamped in the same way as the measurement of resonant frequency and resonant impedance as mentioned above.
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CUI Devices │ MODEL: CEB-20D64 │ DESCRIPTION: PIEZOELECTRIC DIAPHRAGM
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date 05/12/2020 │ page 3 of 3
REVISION HISTORY
rev.
description
date
1.0
initial release
07/28/2006
1.01
brand update
05/12/2020
The revision history provided is for informational purposes only and is believed to be accurate.
CUI Devices offers a one (1) year limited warranty. Complete warranty information is listed on our website.
CUI Devices reserves the right to make changes to the product at any time without notice. Information provided by CUI Devices is believed to be accurate and reliable. However, no
responsibility is assumed by CUI Devices for its use, nor for any infringements of patents or other rights of third parties which may result from its use.
CUI Devices products are not authorized or warranted for use as critical components in equipment that requires an extremely high level of reliability. A critical component is any
component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or
effectiveness.
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