Additional Resources: Product Page | 3D Model date 01/23/2020 page 1 of 3 MODEL: CDS-40288 DESCRIPTION: SPEAKER FEATURES * micro-speaker * wide operating temp range * 8 ohm impedance SPECIFICATIONS parameter conditions/description min typ max units input power maximum power: IEC-60268-5, filter 60s on/120s off, 10 cycles at room temp 6.0 8.0 W impedance at 1.5 kHz, 1.0 V 6.8 8 9.2 resonant frequency (Fo) at 1.0 V 520 650 780 Hz frequency response output SPL 10 dB Fo sound pressure level at 1.0 W, 0.5 m ave, at 1.0, 1.2, 1.5, 2.0 kHz 81 distortion at 1.0 kHz, 1.0 W buzz, rattle, etc. must be normal at sine wave between Fo ~ 20 kHz polarity cone will move forward with positive dc current to "+" terminal dimensions 40 x 28.5 x 17.5 magnet Nd-Fe-B material ABS cone material paper + cloth terminal solder terminals 84 10,000 Hz 87 dB 3 % 6.9 V mm weight 29 g operating temperature -25 70 C storage temperature -40 85 C RoHS Notes: yes 1. All specifications measured at 5~35C, humidity at 45~85%, under 86~106kPa pressure, unless otherwise noted. SOLDERABILITY parameter conditions/description min typ max units hand soldering for 3 1 seconds 360 370 380 C cuidevices.com Additional Resources: Product Page | 3D Model CUI Devices MODEL: CDS-40288 DESCRIPTION: SPEAKER date 01/23/2020 page 2 of 3 MECHANICAL DRAWING units: mm tolerance: 0.5 mm RESPONSE CURVES Frequency Response Curve Total Harmonic Distortion Curve cuidevices.com Additional Resources: Product Page CUI Devices MODEL: CDS-40288 DESCRIPTION: SPEAKER | 3D Model date 01/23/2020 page 3 of 3 REVISION HISTORY rev. description date 1.0 initial release 03/25/2015 1.01 updated datasheet 09/01/2015 1.02 updated datasheet 06/14/2019 brand update 01/23/2020 1.03 The revision history provided is for informational purposes only and is believed to be accurate. CUI Devices offers a one (1) year limited warranty. Complete warranty information is listed on our website. CUI Devices reserves the right to make changes to the product at any time without notice. Information provided by CUI Devices is believed to be accurate and reliable. However, no responsibility is assumed by CUI Devices for its use, nor for any infringements of patents or other rights of third parties which may result from its use. CUI Devices products are not authorized or warranted for use as critical components in equipment that requires an extremely high level of reliability. A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. cuidevices.com