Additional Resources: Product Page 3D Model PCB Footprint date 12/05/2019 page 1 of 4 MODEL: CPT-3011C-120 DESCRIPTION: PIEZO BUZZER TRANSDUCER FEATURES externally driven 104 dB SPL 12 Vdc rated voltage SPECIFICATIONS parameter conditions/description min typ max units rated voltage 12 Vdc operating voltage 6 16 Vdc current consumption at rated voltage 35 mA rated frequency 2,500 3,000 3,500 Hz at 30 cm, rated voltage 104 108 dB sound pressure level at 300 cm, rated voltage 85 92 dB dimensions 30.6 x 11.85 mm weight 1.8 g material ABS PA-777D terminal pin type 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 86~106 kPa pressure, unless otherwise noted. SOLDERABILITY parameter conditions/description min typ max units hand soldering for maximum 5 seconds 330 380 C cuidevices.comAdditional Resources: Product Page 3D Model PCB Footprint CUI Devices MODEL: CPT-3011C-120 DESCRIPTION: PIEZO BUZZER TRANSDUCER date 12/05/2019 page 2 of 4 MECHANICAL DRAWING units: mm tolerance: 0.5 mm Recommended PCB Layout Top View PERFORMANCE CURVE P: Voltage vs. Sound Pressure Level I: Voltage vs. Current Consumption at 30 cm 120 115 110 P 105 100 95 90 85 80 20 15 I 10 5 0 4 6 8 10 12 14 16 18 Voltage (Vdc) DRIVING CIRCUIT Notes: 1. The current consumption and the sound pressure level are measured by using the recommended driving circuit shown above. cuidevices.com Sound Pressure Level (dB) Current Consumption (mA)