Additional Resources: Product Page 3D Model PCB Footprint date 10/27/2020 page 1 of 6 SERIES: CMS-151125-078X DESCRIPTION: SPEAKER FEATURES micro-speaker 8 impedance rated 0.7 W 5 available termination options SPECIFICATIONS parameter conditions/description min typ max units input power max power: as per IEC-268-5, in 1 cc box 0.7 1.0 W impedance at 2.0 kHz, 2.37 Vrms, in 1 cc box 6.8 8 9.2 coil resistance 6.48 7.2 7.92 at 1.0 Vrms in free air, 10 cm 560 700 840 Hz resonant frequency (Fo) at 2.37 Vrms in 1 cc box, 10 cm 800 1,000 1,200 Hz frequency response 100 20,000 Hz at 0.7 W, 10 cm, avg 0.8, 1.0, 1.5, 2.0 kHz, 1 cc sound pressure level 88 91 94 dB box at 800~1200 Hz, 2.37 Vrms, 10 cm 15 % distortion at 1,201~5,000 Hz, 2.37 Vrms, 10 cm 10 % buzz, rattle, etc. must be normal at sine wave, 0.2~2 kHz, 1 cc box 2.37 Vrms polarity cone moves forward w/ positive dc current to + terminal dimensions 15 x 11 x 2.5 mm magnet Nd-Fe-B cone material mylar weight 1.5 g operating temperature -20 70 C storage temperature -30 85 C hand soldering for maximum 3 seconds (N/A for spring contacts) 380 C RoHS yes Notes: 1. All specifications measured at 15~35C, humidity at 25~75%, under 86~106 kPa pressure, unless otherwise noted. PART NUMBER KEY CMS-151125-078 XX Termination Options: S = spring contacts Base Number SP = solder pads L100 = wire leads, no connector L100A = wire leads with Molex housing 51021-0200 L100B = wire leads with JST housing SHR-02V-S-B cuidevices.comAdditional Resources: Product Page 3D Model PCB Footprint CUI Devices SERIES: CMS-151125-078X DESCRIPTION: SPEAKER date 10/27/2020 page 2 of 6 MECHANICAL DRAWINGS units: mm tolerance: 0.2 mm SPRING CONTACTS Recommended Pad Layout SOLDER PADS cuidevices.com