Additional Resources: Product Page 3D Model PCB Footprint date 01/06/2020 page 1 of 4 MODEL: CSS-95B30-SMT-TR DESCRIPTION: MAGNETIC BUZZER TRANSDUCER FEATURES surface mount side sound port externally driven SPECIFICATIONS parameter conditions/description min typ max units Vo-p rated voltage 5 Vo-p operating voltage 4 7 Vo-p 0V current consumption at rated voltage, 2,700 Hz square wave, duty 80 mA rated frequency 2,700 Hz at 10 cm (A-weight), rated voltage, 2,700 Hz sound pressure level 92 95 dBA square wave, duty coil resistance 27 30 33 dimensions 10 x 10 x 3.2 mm weight 0.8 g material LCP (black) terminal SMT type (Sn plating) operating temperature -20 70 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 <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: CSS-95B30-SMT-TR DESCRIPTION: MAGNETIC BUZZER TRANSDUCER date 01/06/2020 page 2 of 4 MECHANICAL DRAWING units: mm tolerance: 0.3 mm 3.20.126 0.2 0.15 0.006 6.00.236 6.00.236 10.0 0.394 (TYP) 1.00.039 (-) (4 PLCS) 10.0 0.394 11.0 0.433 10.00 0.394 (+) SOUND 1.5 0.059 PORT (4 PLCS) 2.5X2.0 (4 PLCS) RECOMMENDED PCB LAYOUT (Top View) FREQUENCY RESPONSE CURVE MEASUREMENT METHOD +VDC +2.5V 180 TR: 0 2SC1741AS cuidevices.com