AT-1438-TWT-R 14mm Transducer 33554411 SSttoopp EEiigghhtt RRooaadd •• DDaayyttoonn,, OOhhiioo 4455441144 Product Overview • 14mm diameter transducer with 1 mA current draw • 80 dBA minimum output (5 Vp-p @ 10 cm) and 3.8 kHz resonant frequency • Noryl™ housing withstands Wave soldering temperatures • Removable wash tag preserves performance Frequency Response (5 Vp-p @ 0.1 meters) PUI Audio Inc. engages in continuous product improvement. All specifications are subject to change without notice. www.puiaudio.com. Copyright © 2015. Last Revised 3/17.

AT-1438-TWT-R AT-1438-TWT-R 40mm Speaker 14mm Transducer Mechanical and Environment Testing Wave Solder Profile Test Description Test Condition High Temperature 85°C (±2°C) with random humidity for 96 hours Low Temperature -25°C (±2°C) with random humidity for 96 hours 40°C (±2°C) with 90% to 95% relative humidity for Humidity 96 hours 0.75 mm movement modulated at 10-55 Hz for 3 Vibration hours Drop Test 100 cm free fall onto wood board, 10 cycles Temperature Cycle Test -30°C to 80°C, 100 cycles After tests, part shall rest for 2 hours. Parts are then tested for clean, pure tones. Frequency Response and SPL Measurement Setup Temperature Cycle Test Graph PUI Audio Inc. engages in continuous product improvement. All specifications are subject to change without notice. www.puiaudio.com. Copyright © 2015. Last Revised 3/17.

SPECIFICATIONS THIS DOCUMENT CONTAINS DATA PROPRIETARY TO REVISION HISTORY PROJECTS UNLIMITED, INC. ANY USE OR LTR DESCRIPTION DATE APPROVED REPRODUCTION, IN ANY FORM, WITHOUT PRIOR PARAMETERS VALUES UNITS WRITTEN PERMISSION OF PROJECTS UNLIMITED, - RELEASED FROM ENGINEERING 8/17/2004 INC. IS PROHIBITED. RATED VOLTAGE 5 Vp-p A REMOVED LEAD FREE ADDE RoHS NOTE 8/10/2005 (cid:139)2003, Projects Unlimited Inc. B REVISED TERMINAL MATERIAL 1/24/2006 B.R. OPERATING VOLTAGE RANGE 1 ~ 20 Vp-p C REVISED HOUSING MATERIAL 11/13/2006 B.R. RATED CURRENT (MAX) 1 mA D ADDED LABEL & POLARITY MARKING 11/22/2006 B.R. CAPACITANCE 13,000 (cid:147) 30% pF E REVISED TO INVENTOR 3-D DRAWING TEMPLATE 4/16/2008 B.R. MINIMUM SPL @ 10 CM 80 dBA F REVISED TO REMOVE POLARITY & UPDATED ROHS STATEMENT 3/2/2017 M.V. G ADDED WAVE SOLDER NOTE 1/25/2019 M.L. RESONANT FREQUENCY 3,800 (cid:147) 500 Hz OPERATING TEMPERATURE -30 ~ +80 (cid:131)C STORAGE TEMPERATURE -30 ~ +80 (cid:131)C HOUSING MATERIAL NORYL - Sn PLATED TERMINAL MATERIAL - RED COPPER WEIGHT 1 grams 4.5 6.8 0.7(cid:66)0.2 (cid:80)13.8 7.6 (cid:80)0.7 (2) (cid:80)2 SOUND REMOVABLE POTTING EMISSION HOLE WASH TAB NOTES: 1. ALL DIMENSIONS ARE IN MILLIMETERS. UNLESS OTHERWISE Designed by Date Checked by Date Approved by Date Drawn Date 2. SPECIFICATIONS SUBJECT TO CHANGE OR WITHDRAWL SPECIFIED: SIZE R.A.C. 8/17/2004 R.W. 8/17/2004 4/16/2008 WITHOUT NOTICE. DIMENSIONS ARE IN MILLIMETERS, AT-1438-TWT-R A3 3. THIS PART IS RoHS 2011/65/EU COMPLIANT. TOLERANCES ARE (cid:147)0.5 AND ANGLES ARE (cid:147)3(cid:131). Transducer (Piezo) Edition Sheet 4. WAVE SOLDER ACCEPTABLE. AT-1438-TWT-R.idw - 1 / 1

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