SMT-0540-S-R 5x5mm Transducer 33554411 SSttoopp EEiigghhtt RRooaadd •• DDaayyttoonn,, OOhhiioo 4455441144 Product Overview • Side-firing electromechanical transducer designed for 2 to 4 Vp-p • Tiny 5 x 5mm footprint and 2mm height for thinner devices • 78 dBA minimum output (3Vp-p @ 10 cm) and 4 kHz resonant frequency • Designed for reflow soldering using a lead-free profile Frequency Response (3 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 7/15.

AT-1438-TWT-R SMT-0540-S-R 40mm Speaker 5x5mm Transducer Mechanical and Environment Testing Recommended Reflow Profile Test Description Test Condition High Temperature 85°C (±2°C) with random humidity for 96 hours Low Temperature -40°C (±2°C) with random humidity for 96 hours 25°C to 60°C with 90% to 95% relative humidity Humidity for 12 hours, 10 cycles 1.53 mm movement modulated at 10-55 Hz in 3 Vibration directions for 6 hours Drop Test 120 cm free fall in six directions, 3 cycles Temperature Cycle Test -30°C to 70°C, five 90 minute cycles Tape Dimensions Recommended Land Pattern PUI Audio Inc. engages in continuous product improvement. All specifications are subject to change without notice. www.puiaudio.com. Copyright © 2015. Last Revised 7/15.

SPECIFICATIONS THIS DOCUMENT CONTAINS DATA REVISION HISTORY PROPRIETARY TO PROJECTS UNLIMITED, INC. ANY USE OR REPRODUCTION, IN ANY FORM, LTR DESCRIPTION DATE APPROVED PARAMETERS VALUES UNITS PWRIOTJHEOCUTST UPRNILOIMR IWTERDIT, TINECN. PIESR PMRIOSHSIIBOINT EODF. - RELEASED FROM ENGINEERING 3/31/2006 RATED VOLTAGE (SQUARE WAVE) 3 Vp-p ©2003, Projects Unlimited Inc. A REVISED TO INVENTOR 3-D DRAWING TEMPLATE 12/13/2007 B.R. OPERATING VOLTAGE RANGE 2 ~ 4 Vp-p B REVISED TOLERANCES ON DIMENSIONS 8/27/2010 B.R. RATED CURRENT (MAX) 100 mA C REVISED LOWER HOUSING AND TERMINAL MATERIAL 2/24/2011 B.R. COIL RESISTANCE 12 ± 2 OHM MINIMUM SPL @ 10 CM 78 dBA RESONANT FREQUENCY 4,000 ± 500 Hz OPERATING TEMPERATURE -30 ~ +70 °C STORAGE TEMPERATURE -40 ~ +85 °C HOUSING MATERIAL LCP - Au PLATED TERMINAL MATERIAL - PHOSPHER BRONZE WEIGHT 0.2 grams 0.8`0.2 (3) 2`0.1 0.7`0.1 (3) (0-.)7 L`EA0D.05 (3) 4(B) YOKE PLATE SOUND I EMISSION HOLE A U P 5 2 5.5 MAX POLARITY MARK 6 DUMMY LEAD 4(A) 0.6 (+) LEAD 5 1.95 0.3 4.2 MAX NOTES: 1. ALL DIMENSIONS ARE IN MILLIMETERS. 2. SPECIFICATIONS SUBJECT TO CHANGE OR WITHDRAWL UNLESS OTHERWISE Designed by Date Checked by Date Approved by Date Drawn Date WITHOUT NOTICE. SPECIFIED: SIZE B.R. 3/31/2006 B.R. 3/31/2006 E.P. 3/31/2006 12/13/2007 DIMENSIONS ARE IN 3. THIS PART IS RoHS 2002/95/EC COMPLIANT. MILLIMETERS, SMT-0540-S-R A3 TOLERANCES ARE ±0.5 AND 4. DATE CODE: A. FIRST DIGIT REPRESENTS THE No. OF THE YEAR. ANGLES ARE ±3°. Edition Sheet B. LAST DIGIT REPRESENTS THE MONTH. (A=JAN.~L=DEC.) SMT-0540-S-R.idw Transducer (Electro-Mech) - 1 / 1