AI-4228-TF-LW140-4-R 42mm Indicator 33554411 SSttoopp EEiigghhtt RRooaadd •• DDaayyttoonn,, OOhhiioo 4455441144 Product Overview • 42mm diameter, 3-28 VDC self-drive indicator • High 95 dBA minimum output (12 VDC @ 10 cm) and 2.8 kHz con+nuous tone • ABS housing with moun+ng tabs and 140mm lead wires for quick connec+on • Piezo-based solu+on consumes only 7 mA of current 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 12/15.

AT-1438-TWT-R AI-4228-TF-LW140-4-R 40mm Speaker 42mm Indicator Mechanical and Environment Testing Test Description Test Condition High Temperature 70°C (±2°C) with random humidity for 96 hours Low Temperature -30°C (±2°C) with random humidity for 96 hours Humidity 40°C (±2°C) with 90% to 95% relative humidity for 96 hours Vibration 0.75 mm movement modulated at 10-55 Hz for 3 hours Drop Test 100 cm free fall onto wood board, 10 cycles Temperature Cycle Test -30°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 12/15.

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 5/05/2006 RATED VOLTAGE 12 Vdc ©2003, Projects Unlimited Inc. A REVISED COLOR OF LEAD WIRE 10/11/2007 R.W. OPERATING VOLTAGE RANGE 3 ~ 28 Vdc B REVISED TO INVENTOR 3-D DRAWING TEMPLATE 3/03/2008 B.R. RATED CURRENT (MAX) 7 mA MINIMUM SPL @ 10 CM 95 dBA RESONANT FREQUENCY 2,800 ± 500 Hz TONE OR PULSE RATE CONTINUOUS 0 pulse /sec OPERATING TEMPERATURE -20 ~ +60 °C STORAGE TEMPERATURE -30 ~ +70 °C HOUSING MATERIAL ABS - TERMINAL MATERIAL LEAD WIRE - WEIGHT 12 grams 5 10 140`5 UL1007 AWG# 24 5`2 BLACK (-) 60 50 Ø41.8 RED (+) n7.1 SOUND EMISSION HOLE n3.5 (2) 16 NOTES: UNLESS OTHERWISE Designed by Date Checked by Date Approved by Date Drawn Date 1. ALL DIMENSIONS ARE IN MILLIMETERS. SPECIFIED: SIZE J.D. 5/5/2006 B.R. 5/5/2006 E.P. 5/5/2006 3/3/2008 DIMENSIONS ARE IN 2. SPECIFICATIONS SUBJECT TO CHANGE OR WITHDRAWL MILLIMETERS, AI-4228-TF-LW140-4-R A3 WITHOUT NOTICE. TOLERANCES ARE ±0.5 AND ANGLES ARE ±3°. Indicator Edition Sheet 3. THIS PART IS RoHS 2002/95/EC COMPLIANT. AI-4228-TF-LW140-4-R.idw - 1 / 1