SPECIFICATIONS PARAMETERS RATED VOLTAGE OPERATING VOLTAGE RANGE RATED CURRENT (MAX) MINIMUM SPL @ 10 CM RESONANT FREQUENCY TONE OR PULSE RATE OPERATING TEMPERATURE STORAGE TEMPERATURE HOUSING MATERIAL TERMINAL MATERIAL WEIGHT VALUES UNITS 12 3 ~ 20 Vdc Vdc 15 mA 85 3,100 ± 500 dBA Hz 0 pulse /sec CONTINUOUS -20 ~ +60 -20 ~ +70 NORYL Sn PLATED COPPER 3 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. REVISION HISTORY LTR A B C D E F G DATE RELEASED FROM ENGINEERING ADDED DIMENSION REMOVED LEAD FREE NOTE ADDED RoHS REVISED TERMINAL MATERIAL ADDED EPOXY SEAL NOTE REVISED BODY HEIGHT DIMENSION REVISED TO INVENTOR 3-D DRAWING TEMPLATE ADDED NOTE 4 8/23/2004 8/27/2004 8/10/2005 11/28/2006 3/7/2007 4/7/2008 12/21/2008 2/17/2012 APPROVED R.W. R.W. B.R. B.R. B.R. M.L. °C °C grams 9.7 23.4 DESCRIPTION 3.7 SOUND EMISSION HOLE SEALED WITH EPOXY 0.8 (2) 15 WASH TAB NOTES: 6.5 1. ALL DIMENSIONS ARE IN MILLIMETERS. 2. SPECIFICATIONS SUBJECT TO CHANGE OR WITHDRAWL WITHOUT NOTICE. 3. THIS PART IS RoHS 2002/95/EC COMPLIANT. 4. PART IS NOT WASHABLE. UNLESS OTHERWISE SPECIFIED: DIMENSIONS ARE IN MILLIMETERS, TOLERANCES ARE ±0.5 AND ANGLES ARE ±3°. SIZE A3 AI-2331-TWT-R.idw Designed by Date R.A.C. 8/23/2004 Checked by Date Approved by R.W. Date Drawn Date 8/23/2004 12/21/2008 AI-2331-TWT-R Indicator Edition - Sheet 1/1