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Transducer (Piezo) SMT-1640-S-2-R Designed by Checked by Approved by Drawn Date Edition Sheet Date 6/8/2011 Date 6/10/2011 Date 6/10/2011 UNLESS OTHERWISE SPECIFIED: DIMENSIONS ARE IN MILLIMETERS, TOLERANCES ARE “0.5 AND ANGLES ARE “3ƒ. SMT-1640-S-2-R.idw SIZE

REVISION HISTORY

LTR DESCRIPTION DATE APPROVED - RELEASED FROM ENGINEERING 6/8/2011 C.W. A REVISED CAPACITANCE SPECIFICATION 9/22/2011 M.L. SPECIFICATIONS PARAMETERS VALUES UNIT RATED VOLTAGE 5 Vp-p OPERATING VOLTAGE RANGE 1 ~ 25 Vp-p RATED CURRENT (MAX) 3 mA CAPACITANCE 16,000 “ 30% pF MINIMUM SPL @ 10 CM 75 dBA RESONANT FREQUENCY 4,000 “ 500 Hz OPERATING TEMPERATURE -40 ~ +120 ƒC STORAGE TEMPERATURE -40 ~ +120 ƒC HOUSING MATERIAL LCP - TERMINAL MATERIAL Sn PLATED COPPER - WEIGHT 1 grams THIS DOCUMENT CONTAINS DATA PROPRIETARY TO PROJECTS UNLIMITED, INC. ANY USE OR REPRODUCTION, IN ANY FORM, WITHOUT PRIOR WRITTEN PERMISSION OF PROJECTS UNLIMITED, INC. IS PROHIBITED. ‹2003, Projects Unlimited Inc. NOTES: 1. ALL DIMENSIONS ARE IN MILLIMETERS. 2. SPECIFICATIONS SUBJECT TO CHANGE OR WITHDRAWL WITHOUT NOTICE. 3. THIS PART IS RoHS 2002/95/EC COMPLIANT. PUI SM T1640S2R 16 B0.2 2 (2) 2.5 B0.2 0.2 B0.05 2 (2) SOUND PORT