Additional Resources: Product Page 3D Model PCB Footprint date 12/12/2019 page 1 of 4 MODEL: CMI-1275-85T DESCRIPTION: MAGNETIC BUZZER INDICATOR FEATURES through hole 85 dB magnetic internally driven SPECIFICATIONS parameter conditions/description min typ max units rated voltage 5 Vdc operating voltage 3 7 Vdc current consumption at rated voltage 30 mA rated frequency 2,800 3,100 3,400 Hz sound pressure level at 10 cm, rated voltage 85 dB dimensions 12 x 7.5 mm weight 2.0 g material PBT terminal pins (red copper with tin plating) operating temperature -30 70 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 wave soldering see recommended wave soldering profile 250 C 51 s 0.5~1.5/s>6/s 250 200 150 100 50 0 240 270 30 60 90 120 150 180 210 Time (sec) cuidevices.com Temperature (C)Additional Resources: Product Page 3D Model PCB Footprint CUI Devices MODEL: CMI-1275-85T DESCRIPTION: MAGNETIC BUZZER INDICATOR date 12/12/2019 page 2 of 4 MECHANICAL DRAWING units: mm tolerance: 0.5 mm Recommended PCB Layout Top View PERFORMANCE CURVES SPL: Voltage vs. Sound Pressure Level I: Voltage vs. Current Consumption at 10 cm (dB) (mA) 90 30 SPL 85 25 I 80 20 75 15 70 10 65 5 3.5 4 4.5 5.5 6 6.5 (V)5 Supply Voltage (Vdc) cuidevices.com Sound Pressure Level (dB) Current Consumption (mA) 2 < 3277,1* (3 / %(/ 0 6.,1* +ROH 3DGV