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Transducer (Electro-Mech) SMT-0827-S-9-R Designed by Checked by Approved by Drawn Date Edition Sheet Date 6/16/2011 Date 6/28/2011 Date 6/28/2011 UNLESS OTHERWISE SPECIFIED: DIMENSIONS ARE IN MILLIMETERS, TOLERANCES ARE ±0.5 AND ANGLES ARE ±3°. SMT-0827-S-9-R.idw SIZE

REVISION HISTORY

LTR DESCRIPTION DATE APPROVED - RELEASED FROM ENGINEERING 6/16/2011 A ADDED DIMENSIONS 1/13/2012 M.L. SPECIFICATIONS PARAMETERS VALUES UNITS RATED VOLTAGE 3.6 Vp-p OPERATING VOLTAGE RANGE 2.5 ~ 4.5 Vp-p RATED CURRENT (MAX) 100 mA COIL RESISTANCE 15 ± 3 OHM MINIMUM SPL @ 10 CM 85 dBA RESONANT FREQUENCY 2,700 ± 500 Hz OPERATING TEMPERATURE -40 ~ +85 °C STORAGE TEMPERATURE -40 ~ +85 °C HOUSING MATERIAL LCP - TERMINAL MATERIAL Sn PLATED BRASS - WEIGHT 0.3 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. 7.5 0.2 7.5 0.2 2.5 0.2 0.15 0.05 4.9 4.9 SOUND EMISSION HOLE POLARITY PAD (-) POLARITY PAD (+) DUMMY PAD DUMMY PAD P U I SMT0827S9R 2.65 2.7