Additional Resources: Product Page 3D Model PCB Footprint date 11/22/2019 page 1 of 4 MODEL: CMT-1411R-SMT-TR DESCRIPTION: MAGNETIC BUZZER TRANSDUCER FEATURES externally driven SMT 93 dB SPL SPECIFICATIONS parameter conditions/description min typ max units Vo-p rated voltage 5.0 Vo-p operating voltage 4.0 7.0 Vo-p 0V current consumption at rated voltage, 3,200 Hz square wave, duty 90 mA rated frequency 3,200 Hz at 10 cm (A-weight), rated voltage, 3,200 Hz sound pressure level 87 93 dBA square wave, duty coil resistance 36.5 43.0 49.5 dimensions 14.0 x 11.0 x 3.0 mm weight 0.9 g material LCP terminal SMT type (Sn plating) operating temperature -40 85 C storage temperature -50 85 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 260C 255C 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-1411R-SMT-TR DESCRIPTION: MAGNETIC BUZZER TRANSDUCER date 11/22/2019 page 2 of 4 MECHANICAL DRAWING units: mm tolerance: 0.5 mm SOUND PORT 11.0 0.50.2 7.0 CMT-1411R CUI CHINA 01 16 (-) (+) -POLARITY +POLARITY 1.70.3 0.80.3 WEEK YEAR Recommended PCB Layout 01 16---2016 Top View 02 17---2017 FREQUENCY RESPONSE CURVE MEASUREMENT METHOD +VDC +2.5V 180 TR: 0 2SC1741AS cuidevices.com 0.60.2 10.7 8.6 3.0 6.5 1.00.3 14.0