CMI-1271-85-SMT-TR CUI Devices

Additional Resources: Product Page 3D Model PCB Footprint date 12/12/2019 page 1 of 4 MODEL: CMI-1271-85-SMT-TR DESCRIPTION: MAGNETIC BUZZER INDICATOR FEATURES surface mount 85 dB magnetic internally driven SPECIFICATIONS parameter conditions/description min typ max units rated voltage 12 Vdc operating voltage 8 15 Vdc current consumption at rated voltage 30 mA rated frequency 2,000 2,400 2,800 Hz sound pressure level at 10 cm, rated voltage 85 dB dimensions 12.8 x 12.8 x 7.1 mm weight 2.0 g material PPS terminal surface mount (red copper with tin plating) operating temperature -40 85 C storage temperature -40 85 C RoHS yes Notes: 1. All specifications measured at 253C, humidity at 60~70%, under 86~106 kPa pressure, unless otherwise noted. SOLDERABILITY parameter conditions/description min typ max units reel storage at relative humidity <60% 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. 260C Max 260 230 Heating 230C Pre-heating 150~180C 100 Gradual Cooling 30 s 60~120 s 40 s 120 s Time (sec) cuidevices.com Temperature (C)Additional Resources: Product Page 3D Model PCB Footprint CUI Devices MODEL: CMI-1271-85-SMT-TR DESCRIPTION: MAGNETIC BUZZER INDICATOR date 12/12/2019 page 2 of 4 MECHANICAL DRAWING units: mm tolerance: 0.5 mm 32/ 5,7< 3 32/ 5,7< 3 Recommended PCB Layout Top View PERFORMANCE CURVES SPL: Voltage vs. Sound Pressure Level I: Voltage vs. Current Consumption at 10 cm (mA) (dB) 25 90 SPL 20 85 I 15 80 10 75 5 70 8 9 10 11 12 13 14 (V) Supply Voltage (Vdc) cuidevices.com Sound Pressure Level (dB) Current Consumption (mA)