Additional Resources: Product Page 3D Model PCB Footprint date 01/06/2020 page 1 of 4 MODEL: CMT-1102-SMT-TR DESCRIPTION: PIEZO BUZZER TRANSDUCER FEATURES low current low profile externally driven SPECIFICATIONS parameter conditions/description min typ max units operating voltage 25 Vp-p current consumption at 5 Vp-p, 4,100 Hz square wave 4.5 mA rated frequency 4,100 Hz sound pressure level at 10 cm, 5 Vp-p, 4,100 Hz square wave 73 dB electrostatic capacity at 1 kHz/1 V 8,400 12,000 15,600 pF dimensions 11 x 9 x 1.7 mm weight 0.5 g material LCP (white) terminal SMT type (Sn plating) operating temperature -40 80 C storage temperature -40 80 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 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. SMT Reflow Solder Profile (Pb Free) Peak Temp 255C 245C 20~40 sec 217C 200C 150C 60~180 sec 60~150 sec Time (sec) cuidevices.com Temperature (C)Additional Resources: Product Page 3D Model PCB Footprint CUI Devices MODEL: CMT-1102-SMT-TR DESCRIPTION: PIEZO BUZZER TRANSDUCER date 01/06/2020 page 2 of 4 MECHANICAL DRAWING units: mm tolerance: 0.3 mm RECOMMENDED PCB LAYOUT (Top View) FREQUENCY RESPONSE CURVE MEASUREMENT METHOD cuidevices.com