date 09/16/2020
page 1 of 6
MODEL: CPT-357-105T │ DESCRIPTION: PIEZO BUZZER TRANSDUCER
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FEATURES
• 14 Vdc
• 105 dB
• feedback terminal
SPECIFICATIONS
parameter conditions/description min typ max units
rated voltage driven by RE46C100 14 Vdc
operating voltage driven by RE46C100 6 16 Vdc
current consumption measured by KEYSIGHT 34461A 50 60 mA
rated frequency 2,700 3,200 3,700 Hz
sound pressure level at 30 cm, rated voltage, driven by RE46C100 105 dB
electrostatic capacitance at 1 Vrms, 1 kHz 38,500 55,000 71,500 pF
tone continuous
dimensions Ø35.6 x 7.15 mm
weight 5.0 g
material PBT+30% GF (UL94V-0)
terminal pins
operating temperature -20 70 °C
storage temperature -30 80 °C
humidity 20 75 RH%
washable no
RoHS yes
Notes: 1.Allspecicationsmeasuredat5~35°C,humidityat45~85%,under86~106kPapressure,unlessotherwisenoted.
SOLDERABILITY
parameter conditions/description min typ max units
hand soldering maximum 3 seconds 340 350 360 °C
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CUI Devices │ MODEL: CPT-357-105T │ DESCRIPTION: PIEZO BUZZER TRANSDUCER date 09/16/2020 │ page 2 of 6
MECHANICAL DRAWING
units: mm
tolerance: ±0.5 mm
WEEK YEAR
Recommended PCB Layout
Bottom View
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CUI Devices │ MODEL: CPT-357-105T │ DESCRIPTION: PIEZO BUZZER TRANSDUCER date 09/16/2020 │ page 3 of 6
INSTALLATION GUIDELINES
THE NOTICE OF THE CASE ID DESIGN
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CUI Devices │ MODEL: CPT-357-105T │ DESCRIPTION: PIEZO BUZZER TRANSDUCER date 09/16/2020 │ page 4 of 6
PERFORMANCE CURVES
Sound Pressure Level(dB)
Current Consumption(mA)
DRIVING CIRCUIT
Notes: 1. Place C2 close to the device power pins to minimize horn switching noise.
2. The current consumption and the sound pressure level are measured by using the recommended driving circuit shown above.
P: Voltage vs. Sound Pressure Level
I: Voltage vs. Current Consumption
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CUI Devices │ MODEL: CPT-357-105T │ DESCRIPTION: PIEZO BUZZER TRANSDUCER date 09/16/2020 │ page 5 of 6
PACKAGING
units: mm
Carton Size: 550 x 330 x 290 mm
Carton QTY: 840 pcs per carton
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CUI Devices │ MODEL: CPT-357-105T │ DESCRIPTION: PIEZO BUZZER TRANSDUCER date 09/16/2020 │ page 6 of 6
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CUI Devices oers 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 aect its safety or
eectiveness.
rev. description date
1.0 initial release 09/16/2020
The revision history provided is for informational purposes only and is believed to be accurate.
REVISION HISTORY
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