Additional Resources: Product Page 3D Model date 07/07/2021 page 1 of 5 MODEL: CPT-12123-81-SMT-TR DESCRIPTION: PIEZO BUZZER TRANSDUCER FEATURES 25 Vp-p max operating voltage 81 dB SPECIFICATIONS parameter conditions/description min typ max units Vp-p rated voltage 5 Vp-p 0V operating voltage 25 Vp-p current consumption at 5 Vp-p, 4,000 Hz, duty square wave 5 mA rated frequency 4,000 Hz sound pressure level at 10 cm, 5 Vp-p, 4,000 Hz, square wave 81 dB electrostatic capacitance at 120 Hz / 1 V 11,200 16,000 20,800 pF dimensions 12 x 12 x 3.0 mm weight 0.5 g material LCP terminal surface mount (tin plating) operating temperature -40 120 C storage temperature -40 120 C 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 reel storage at relative humidity <40% 25 C 2 reflow soldering see recommended reflow soldering profile 260 C 3 drying conditions bake at 40C for 24 hours Note: 2. It is recommended to reflow solder within 48 hours from opening vacuum packaging at a temperature <30C & relative humidity <60%. 3. When out of packaging for more than 48 hours. Peak Temp 260C 230C 20~40 sec 217C 200C 150C 60~180 sec 60~150 sec Time (sec) cuidevices.com Temperature (C)Additional Resources: Product Page 3D Model CUI Devices MODEL: CPT-12123-81-SMT-TR DESCRIPTION: PIEZO BUZZER TRANSDUCER date 07/07/2021 page 2 of 5 MECHANICAL DRAWING units: mm tolerance: 0.3 mm 6RXQG KROH SRVLWLRQ %ODFN LQNMHW LQN Recommended PCB Layout Top View cuidevices.com &37 :((. <( 5