CPE-121 CUI Devices

Additional Resources: Product Page 3D Model date 11/18/2019 page 1 of 3 MODEL: CPE-121 DESCRIPTION: PIEZO BUZZER TRANSDUCER FEATURES wire leads with feedback 12 Vdc rating low profile 4.5 kHz rated frequency SPECIFICATIONS parameter conditions/description min typ max units rated voltage 12 Vdc operating voltage 3 28 Vdc current consumption at rated voltage 13 mA rated frequency 4,000 4,500 5,000 Hz sound pressure level at 30 cm, rated voltage 83 dB dimensions 24.0 x 5.0 mm weight 7.4 g material ABS UL94 1/16 HB High Heat (black) terminal wire leads operating temperature -30 85 C storage temperature -40 95 C RoHS yes Notes: 1. All specifications measured at 5~35C, humidity at 45~85%, under 86~106kPa pressure, unless otherwise noted. cuidevices.comAdditional Resources: Product Page 3D Model CUI Devices MODEL: CPE-121 DESCRIPTION: PIEZO BUZZER TRANSDUCER date 11/18/2019 page 2 of 3 MECHANICAL DRAWING units: mm tolerance: 0.5 mm 1.75 1.9 WIRE CONNECTIONS Color Function UL1571 LF 32AWG Red +terminal (M) 34.0 5.0 1.0 Black -terminal (G) blue red 24.0 29.0 Blue feedback (F) black 120.0 5.0 2.9 5.0 1.9 PERFORMANCE CURVES P: Voltage vs. Sound Pressure Level I: Voltage vs. Current Consumption DRIVING CIRCUIT Notes: 1. The current consumption and the sound pressure level are measured by using the recommended driving circuit shown above. cuidevices.com