date 05/20/2013 page 1 of 3 MODEL: CMT-1303-SMT │ DESCRIPTION: PIEZO BUZZER TRANSDUCER FEATURES • low current • low profile • externally driven RoHS SPECIFICATIONS parameter conditions/description min typ operating voltage current consumption at 5 Vp-p, 4,100 Hz square wave rated frequency at 10 cm, 5 Vp-p, 4,100 Hz square wave electrostatic capacity at 1 KHz/1 V dimensions Vp-p 5 mA 12.8 x 12.8 x 2.5 material LCP (white) terminal SMT type Hz 70 11,200 dB 16,000 20,800 pF mm weight operating temperature storage temperature Note: units 25 4,100 sound pressure level RoHS max 0.5 g -20 70 °C -30 80 °C max units 235 °C yes Add suffix “-TR” to the model for tape & reel packaging SOLDERABILITY parameter conditions/description reflow soldering see reflow solder profile Note: min Reference Standard EIAJ ED-4702 cui.com typ CUI Inc │ MODEL: CMT-1303-SMT │ DESCRIPTION: PIEZO BUZZER TRANSDUCER date 05/20/2013 │ page 2 of 3 MECHANICAL DRAWING units: mm tolerance: ±0.2 mm RECOMMENDED PCB LAYOUT (Top View) FREQUENCY RESPONSE CURVE cui.com CUI Inc │ MODEL: CMT-1303-SMT │ DESCRIPTION: PIEZO BUZZER TRANSDUCER date 05/20/2013 │ page 3 of 3 REVISION HISTORY rev. description date 1.0 initial release 06/03/2005 1.01 applied new template 09/12/2006 1.02 updated part number, added TR package option, applied new spec template 05/20/2013 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.