Additional Resources: Product Page date 09/16/2020 page 1 of 6 MODEL: CPT-357-105T DESCRIPTION: PIEZO BUZZER TRANSDUCER FEATURES * 14 Vdc * 105 dB * feedback terminal SPECIFICATIONS parameter conditions/description min rated voltage driven by RE46C100 operating voltage driven by RE46C100 current consumption measured by KEYSIGHT 34461A typ 14 6 rated frequency 2,700 sound pressure level at 30 cm, rated voltage, driven by RE46C100 electrostatic capacitance at 1 Vrms, 1 kHz tone continuous dimensions O35.6 x 7.15 PBT+30% GF (UL94V-0) terminal pins Vdc 16 Vdc 50 60 mA 3,700 Hz 55,000 71,500 105 38,500 units 3,200 dB pF mm weight material max 5.0 g operating temperature -20 70 C storage temperature -30 80 C 20 75 RH% humidity washable no RoHS yes Notes: 1. All specifications measured at 5~35C, 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 cuidevices.com Additional Resources: Product Page 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 Recommended PCB Layout Bottom View cuidevices.com YEAR Additional Resources: Product Page CUI Devices MODEL: CPT-357-105T DESCRIPTION: PIEZO BUZZER TRANSDUCER INSTALLATION GUIDELINES THE NOTICE OF THE CASE ID DESIGN cuidevices.com date 09/16/2020 page 3 of 6 Additional Resources: Product Page CUI Devices MODEL: CPT-357-105T DESCRIPTION: PIEZO BUZZER TRANSDUCER date 09/16/2020 page 4 of 6 PERFORMANCE CURVES Current Consumption(mA) Sound Pressure Level(dB) P: Voltage vs. Sound Pressure Level I: Voltage vs. Current Consumption 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. cuidevices.com Additional Resources: Product Page CUI Devices MODEL: CPT-357-105T DESCRIPTION: PIEZO BUZZER TRANSDUCER PACKAGING units: mm Carton Size: 550 x 330 x 290 mm Carton QTY: 840 pcs per carton cuidevices.com date 09/16/2020 page 5 of 6 Additional Resources: Product Page CUI Devices MODEL: CPT-357-105T DESCRIPTION: PIEZO BUZZER TRANSDUCER date 09/16/2020 page 6 of 6 REVISION HISTORY rev. 1.0 description date initial release 09/16/2020 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. cuidevices.com