AI-2437-TWT-R 24mm Indicator 33554411 SSttoopp EEiigghhtt RRooaadd •• DDaayyttoonn,, OOhhiioo 4455441144 Product Overview • 24mm diameter, 3-16 VDC self-drive indicator • 100 dBA minimum output (12 VDC @ 10 cm) and 3,700 Hz con&nuous tone • High-temp ABS 777 housing withstands Wave soldering temperatures • Removable wash tag preserves performance SPL vs Voltage (measured @ 30 cm) PUI Audio Inc. engages in continuous product improvement. All specifications are subject to change without notice. www.puiaudio.com. Copyright © 2015. Last Revised 10/15.

AT-1438-TWT-R AI-2437-TWT-R 40mm Speaker 24mm Indicator Mechanical and Environment Testing Wave Solder Profile Test Description Test Condition High Temperature 70°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 -25°C to 70°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 10/15.

SPECIFICATIONS THIS DOCUMENT CONTAINS DATA PROPRIETARY TO REVISION HISTORY PROJECTS UNLIMITED, INC. ANY USE OR REPRODUCTION, IN ANY FORM, WITHOUT PRIOR LTR DESCRIPTION DATE APPROVED PARAMETERS VALUES UNITS WRITTEN PERMISSION OF PROJECTS UNLIMITED, INC. IS PROHIBITED. - RELEASED FROM ENGINEERING 8/19/2004 RATED VOLTAGE 12 Vdc ©2003, Projects Unlimited Inc. A REMOVE LEAD FREE ADD RoHS STATEMENT 8/10/2005 B.R. OPERATING VOLTAGE RANGE 3 ~ 16 Vdc B REVISED TERMINAL MATERIAL 3/21/2006 B.R. RATED CURRENT (MAX) 8 mA C REVISED TO INTENTOR 3-D DRAWING TEMPLATE 10/11/2007 B.R. MINIMUM SPL @ 10 CM 100 dBA RESONANT FREQUENCY 3,700 ± 500 Hz TONE OR PULSE RATE CONTINUOUS 0 pulse /sec OPERATING TEMPERATURE -20 ~ +60 °C STORAGE TEMPERATURE -20 ~ +70 °C HOUSING MATERIAL ABS 777 - Sn PLATED TERMINAL MATERIAL - COPPER WEIGHT 6 grams 18 5 n24 n6.2 15 REMOVABLE 0.8`0.1 (2) WASH TAB POTTING NOTES: 1. ALL DIMENSIONS ARE IN MILLIMETERS. UNLESS OTHERWISE Designed by Date Checked by Date Approved by Date Drawn Date SPECIFIED: 2. SPECIFICATIONS SUBJECT TO CHANGE OR WITHDRAWL DIMENSION S ARE IN SIZE R.A.C. 8/19/2004 R.W. 8/19/2004 10/11/2007 WITHOUT NOTICE. MILLIMETERS, AI-2437-TWT-R A3 TOLERANCES ARE ±0.5 AND 3. THIS PART IS RoHS 2002/95/EC COMPLIANT. ANGLES ARE ±3°. Indicator Edition Sheet AI-2437-TWT-R.idw - 1 / 1

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