SPECIFICATIONS PARAMETERS RATED VOLTAGE OPERATING VOLTAGE RANGE RATED CURRENT (MAX) CAPACITANCE MINIMUM SPL @ 10 CM RESONANT FREQUENCY OPERATING TEMPERATURE STORAGE TEMPERATURE HOUSING MATERIAL TERMINAL MATERIAL WEIGHT VALUES UNITS 5 1 ~ 30 1 15,000 ± 30% Vp-p Vp-p 78 4,000 ± 500 dBA Hz °C °C grams -20 ~ +70 -30 ~ +80 NORYL PHOSPHER BRONZE 1 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. REVISION HISTORY LTR ©2003, Projects Unlimited Inc. mA pF DATE DESCRIPTION A B C D RELEASED FROM ENGINEERING REVISED NOTES REMOVED LEAD FREE ADDED RoHS NOTE REVISED DRAWING TO MATCH SPECIFICATIONS REVISED TO INVENTOR 3-D DRAWING TEMPLATE 11/12/2004 11/17/2004 8/10/2005 11/4/2005 4/30/2008 APPROVED B.R. R.W. B.R. 0.9 n17 6.6 n2 SOUND 7 n3.2 (2) EMISSION HOLE n1.2 (2) 10 0.8 10 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. UNLESS OTHERWISE SPECIFIED: DIMENSIONS ARE IN MILLIMETERS, TOLERANCES ARE ±0.5 AND ANGLES ARE ±3°. SIZE A3 AT-1740-TT-R.idw Designed by Date Checked by Date Approved by R.A.C. 11/12/2007 E.P. 11/12/2007 B.R. Date Drawn Date 11/12/2007 4/30/2008 AT-1740-TT-R Transducer (Piezo) Edition Sheet - 1/1