date 05/03/2013 page 1 of 3 cui .com model: CMT-1203-SMT description: piezo buzzer transducer features ? low current ? side sound port ? externally driven rohs specifications parameter conditions/description min typ max units operating voltage 25 vp-p current consumption at 5 vp-p, 4,000 hz square wave 5 ma rated frequency 4,000 hz sound pressure level at 10 cm, 5 vp-p, 4,000 hz square wave 81 db electrostatic capacity at 120 hz/1 v 11,200 16,000 20,800 pf dimensions 12 x 12 x 3 mm weight 0.5 g material l.c.p. (black) terminal smt type (sn plating) operating temperature -40 120 c storage temperature -40 120 c rohs yes note: add suf x ?-tr? to the model for tape & reel packaging solderability parameter conditions/description min typ max units re ow soldering see re ow solder pro le 260 c ? ?3 ? ?? e ???t3?? ??c? ??c? c? ?????? ????? ?c? ????3?? ??c? ???c?
cui .com cui inc model: CMT-1203-SMT description: piezo buzzer transducer date 05/03/2013 page 2 of 3 6.0 0.236 (2 plcs) 3.0 0.118 (2 plcs) 15.0 0.591 pcb layout top view 4.0 0.157 1.3 0.051 0.118 3.0 0.075 1.9 0.9 0.035 0.6 0.024 12.0 0.472 12.0 0.472 0.394 10.0 0.083 2.1 6.5 0.256 mechanical drawing frequency response curve units: mm[inch] tolerance: 0.3 mm 40 50 60 70 80 90 20 200 2k 20k db hz
cui inc model: CMT-1203-SMT description: piezo buzzer transducer date 05/03/2013 page 3 of 3 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 b e 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. headquarters 20050 sw 112th ave. tualatin, or 97062 800.275.4899 fax 503.612.2383 cui .com techsupport@cui.com rev. description date 1.0 initial release 06/01/2010 1.01 updated part number, added tr package option, applied new spec template 05/03/2013 the revision history provided is for informational purposes only and is believed to be accurate. revision history
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