For more information, please visit the product page. date 05/13/2013 page 1 of 3 MODEL: CMI-1240-SMT │ DESCRIPTION: PIEZO BUZZER INDICATOR FEATURES • low current • washable • internally driven RoHS SPECIFICATIONS parameter conditions/description min rated voltage max 12 operating voltage current consumption typ 3 at rated voltage rated frequency 3,500 sound pressure level at 10 cm, rated voltage dimensions 16.9 x 16.9 x 7.8 4,000 units Vdc 20 Vdc 8 mA 4,500 83 Hz dB mm weight material PPS UL-94 V-0 (black) terminal SMT type (Au plating) 2.6 g operating temperature -30 70 °C storage temperature -40 80 °C max units 260 °C RoHS Note: yes Add suffix “-TR” to the model for tape & reel packaging SOLDERABILITY parameter conditions/description reflow soldering see reflow profile min PeakTemp 260°C 255°C 20~40sec 217°C C 200°C 150°C 60~180sec Time [sec] cui.com 60 ~150 sec typ For more information, please visit the product page. CUI Inc │ MODEL: CMI-1240-SMT │ DESCRIPTION: PIEZO BUZZER INDICATOR date 05/13/2013 │ page 2 of 3 MECHANICAL DRAWING units: mm tolerance: ±0.5 mm CUI.Inc. RECOMMENDED PCB LAYOUT (Top View) PERFORMANCE CURVES P: Voltage vs. Sound Pressure Level I: Voltage vs. Current Consumption at 10cm 110 105 95 P 90 85 80 75 25 70 20 15 I 10 5 3 6 9 12 Voltage(VDC) cui.com 15 18 20 0 Current Consumption(mA) Sound Pressure Level(dB) 100 For more information, please visit the product page. CUI Inc │ MODEL: CMI-1240-SMT │ DESCRIPTION: PIEZO BUZZER INDICATOR date 05/13/2013 │ page 3 of 3 REVISION HISTORY rev. description date 1.0 initial release 06/03/2005 1.01 updated part number, added TR package option, applied new spec template 05/13/2013 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.