Additional Resources: Product Page 3D Model date 09/16/2020 page 1 of 5 MODEL: CMS-3520-18N DESCRIPTION: SPEAKER FEATURES micro-speaker 85 dB rated 1.0 W SPECIFICATIONS parameter conditions/description min typ max units max power: 50 second on, 120 seconds off, 10 input power 1.0 1.5 W cycles impedance at 2.0 kHz, 1.0 V 6.8 8 9.2 resonant frequency (Fo) at 1.0 V 560 700 840 Hz frequency response F0 10,000 Hz at 1.0 W, 50 cm, avg at 0.8, 1.0, 1.2, 1.5 kHz 82 85 88 dB sound pressure level at 1.0 W, 10 cm, avg at 0.8, 1.0, 1.2, 1.5 kHz 95 98 101 dB distortion at 1.0 kHz, rated power 10 % buzz, rattle, etc. must be normal at sine wave, frequency range 2.83 V polarity cone moves forward w/ positive dc current to + terminal dimensions 35 x 20 x 7.6 mm magnet Nd-Fe-B frame material ABS cone material cloth terminal solder terminals weight 5.8 g operating temperature -20 60 C storage temperature -30 70 C hand soldering for maximum 3 seconds 370 380 390 C RoHS yes Notes: 1. All specifications measured at 15~35C, humidity at 45~85%, under 86~106 kPa pressure, unless otherwise noted. cuidevices.comAdditional Resources: Product Page 3D Model CUI Devices MODEL: CMS-3520-18N DESCRIPTION: SPEAKER date 09/16/2020 page 2 of 5 MECHANICAL DRAWING units: mm tolerance: 0.3 mm cuidevices.com