Additional Resources: Product Page 3D Model PCB Footprint date 12/10/2019 page 1 of 4 MODEL: CBT-09427-SMT-TR DESCRIPTION: MAGNETIC BUZZER TRANSDUCER FEATURES surface mount side sound port externally driven high operating temperature range SPECIFICATIONS parameter conditions/description min typ max units Vo-p rated voltage 3.6 Vo-p operating voltage 2.5 4.5 Vo-p 0V current consumption at rated voltage, 2,730 Hz square wave, duty 110 mA rated frequency 2,730 Hz at 10 cm (A-weight), rated voltage, 2,730 Hz sound pressure level 83 87 dBA square wave, duty coil resistance 13 16 19 dimensions 9.0 x 2.5 mm weight 0.37 g material LCP terminal SMT type (Au plating) operating temperature -40 85 C storage temperature -40 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 <60% 30 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: CBT-09427-SMT-TR DESCRIPTION: MAGNETIC BUZZER TRANSDUCER date 12/10/2019 page 2 of 4 MECHANICAL DRAWING units: mm PIN Max0.15mm tolerance: 0.5mm Max0.10mm 6281 3257 32/ 5,7 < 32/ 5,7< 01 19 01 19 Week Year +POLARITY -POLARITY 6LOYHU 3ULQWLQ J RECOMMENDED PCB LAYOUT (Top View) FREQUENCY RESPONSE CURVE MEASUREMENT METHOD + Vo-p 180 TR: 0 HFE > 200 Vo-p = 1/2 duty square wave cuidevices.com