For more information, please visit the product page. date 03/23/2018 page 1 of 5 SERIES: CMS-181325-078X │ DESCRIPTION: SPEAKER FEATURES • • • • micro-speaker 8 Ω impedance rated 0.7 W 3 available contact methods SPECIFICATIONS parameter conditions/description min input power max power: as per IEC-268-5, in 1 cc box impedance at 2.0 kHz, 2.37 Vrms, in 1 cc box coil resistance resonant frequency (Fo) max units 0.7 1.0 W 8 9.2 Ω 6.48 7.2 7.92 Ω 640 880 800 1,100 960 1,320 Hz Hz 10,000 Hz 96 dB 15 10 % % 2.37 Vrms 6.8 at 1.0 Vrms in free air, 10 cm at 2.37 Vrms in 1 cc box, 10 cm frequency response 500 sound pressure level at 0.7 W, 10 cm, avg 0.8, 1.0, 1.5, 2.0 kHz, 1 cc box distortion at 800~1,200 Hz, 2.37 Vrms, 10 cm at 1,201~5,000 Hz, 2.37 Vrms, 10 cm buzz, rattle, etc. must be normal at sine wave, 0.5~10 kHz, 1 cc box 90 polarity cone moves forward w/ positive dc current to “+” terminal dimensions 18 x 13 x 2.5 magnet Nd-Fe-B cone material mylar 93 mm weight 1.8 operating temperature -20 storage temperature -40 hand soldering for maximum 3 seconds (N/A for spring contacts) RoHS 2011/65/EU Notes: typ 1. All specifications measured at 15~35°C, humidity at 25~75%, under 86~106 kPa pressure, unless otherwise noted. PART NUMBER KEY CMS-181325-078 XX Termination Options: S = spring contacts SP = solder pads L100 = wire leads Base Number cui.com g 70 °C 85 °C 380 °C For more information, please visit the product page. CUI Inc │ SERIES: CMS-181325-078X │ DESCRIPTION: SPEAKER date 03/23/2018 │ page 2 of 5 MECHANICAL DRAWINGS units: mm tolerance: ±0.2 mm SPRING CONTACTS Recommended Pad Layout SOLDER PADS WIRE LEADS wire: UL 1571, 32 AWG Red“+” Black“-” cui.com For more information, please visit the product page. CUI Inc │ SERIES: CMS-181325-078X │ DESCRIPTION: SPEAKER date 03/23/2018 │ page 3 of 5 RESPONSE CURVES Frequency Response Curve Test Conditions: 2.37 Vrms / 10 cm in 1 cc box Total Harmonic Distortion Curve Test Conditions: 2.37 Vrms / 10 cm in 1 cc box cui.com For more information, please visit the product page. CUI Inc │ SERIES: CMS-181325-078X │ DESCRIPTION: SPEAKER date 03/23/2018 │ page 4 of 5 PACKAGING units: mm Tray QTY: 100 pcs per tray Carton Size: 470 x 300 x 310 mm Carton QTY: 5,000 pcs per carton cui.com For more information, please visit the product page. CUI Inc │ SERIES: CMS-181325-078X │ DESCRIPTION: SPEAKER date 03/23/2018 │ page 5 of 5 REVISION HISTORY rev. 1.0 description date initial release 03/23/2018 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.