date 05/13/2013 page 1 of 3 MODEL: CMT-1604-SMT │ DESCRIPTION: PIEZO BUZZER TRANSDUCER FEATURES • low current • low profile • externally driven RoHS SPECIFICATIONS parameter conditions/description min typ operating voltage current consumption at 3 Vp-p, 4,000 Hz square wave rated frequency max units 25 Vp-p 5 mA 4,000 sound pressure level at 10 cm, 3 Vp-p, 4,000 Hz square wave electrostatic capacity at 1 KHz, 1 V dimensions 16 x 16 x 2.6 Hz 81 14,000 dB 20,000 26,000 pF mm weight 0.96 material LCP (white) + PCB (FR4) terminal SMT type (Au plating) g operating temperature -40 120 °C storage temperature -40 120 °C max units 250 °C RoHS Note: yes Add suffix “-TR” to the model for tape & reel packaging SOLDERABILITY parameter conditions/description reflow soldering see reflow solder profile min ˣ˸˴˾ʳ˧˸̀̃ ˅ˈ˃̓˖ ˅ˇˈ̓˖ ˄ˈʳ̆˸˶ʳˠ˴̋ˁ ˅˄ˊ̓˖ ̓˖ ˅˃˃̓˖ ˄ˈ˃̓˖ ˉ˃̑˄ˋ˃̆˸˶ ˧˼̀˸ʳˮ̆˸˶˰ cui.com ˉ˃̑˄ˈ˃̆˸˶ typ CUI Inc │ MODEL: CMT-1604-SMT │ DESCRIPTION: PIEZO BUZZER TRANSDUCER date 05/13/2013 │ page 2 of 3 MECHANICAL DRAWING units: mm[inch] tolerance: ±0.2 mm SOUND PORTS 2.6 0.102 17.5 0.689 2.0 0.079 (2 PLCS) 16.0 0.630 0.6 0.024 0.1 (2 PLCS) 3.2 0.126 (2 PLCS) 16.0 0.630 2.0 0.079 (2 PLCS) 1.0 0.039 (4 PLCS) 2.5 0.098 (2 PLCS) 3.5 0.138 (2 PLCS) 15.0 0.591 RECOMMENDED PCB LAYOUT (Top View) FREQUENCY RESPONSE CURVE O u tp u t R e s p o n s e ( S ig n a l 1 ) - In p u t ( M a g n itu d e ) \ S S R A n a ly z e r [dB/2 0 u P a ] 100 90 80 70 60 50 40 30 20 10 0 -10 150 200 300 500 700 1k 1 .5 k [Hz ] cui.com 2k 3k 5k 7k 10k 15k CUI Inc │ MODEL: CMT-1604-SMT │ DESCRIPTION: PIEZO BUZZER TRANSDUCER date 05/13/2013 │ page 3 of 3 REVISION HISTORY rev. description date 1.0 initial release 07/15/2010 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.