For more information, please visit the product page. date 03/25/2015 page 1 of 3 MODEL: CDS-40304 │ DESCRIPTION: SPEAKER FEATURES • micro-speaker • wide operating temp range • 4 ohm impedance SPECIFICATIONS parameter conditions/description min input power maximum power: IEC-60268-5, filter 60s on/120s off, 10 cycles at room temp impedance at 2.0 kHz, 1.0 V 3.4 4 4.6 Ω resonant frequency (Fo) at 1.0 V 320 400 480 Hz frequency response average SPL -10 dB Fo sound pressure level at 2.0 W, 0.1 m ave, at 0.8, 1.0, 1.2, 1.5 kHz at 1.0 W, 1.0 m ave, at 0.8, 1.0, 1.2, 1.5 kHz 99 76 distortion at Fo ~ 6 kHz, 2 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 30 x 7.1 magnet Nd-Fe-B material ABS777 cone material paper + cloth terminal solder pads max units 2.0 3.0 W 102 79 20,000 Hz 105 82 dB dB 15 % 2.83 V mm weight 7.5 operating temperature storage temperature RoHS Notes: typ g -30 70 °C -40 85 °C 2011/65/EU 1. All specifications measured at 5~35°C, humidity at 45~85%, under 86~106kPa pressure, unless otherwise noted. SOLDERABILITY parameter conditions/description min typ max units hand soldering for maximum 3 seconds 370 380 390 °C cui.com For more information, please visit the product page. CUI Inc │ MODEL: CDS-40304 │ DESCRIPTION: SPEAKER date 03/25/2015 │ page 2 of 3 MECHANICAL DRAWING units: mm tolerance: ±0.25 mm RESPONSE CURVES Frequency Response Curve Total Harmonic Distortion Curve cui.com For more information, please visit the product page. CUI Inc │ MODEL: CDS-40304 │ DESCRIPTION: SPEAKER date 03/25/2015 │ page 3 of 3 REVISION HISTORY rev. 1.0 description date initial release 03/25/2015 The revision history provided is for informational purposes only and is believed to be accurate. Headquarters 20050 SW 112th Ave. Tualatin, OR 97062 800.275.4899 Fax 503.612.2383 cui.com [email protected] CUI offers a one (1) year limited warranty. Complete warranty information is listed on our website. CUI reserves the right to make changes to the product at any time without notice. Information provided by CUI is believed to be accurate and reliable. However, no responsibility is assumed by CUI for its use, nor for any infringements of patents or other rights of third parties which may result from its use. CUI 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.