transducer (electro-mech) SMT-0540-T-2-R r.a.c. e.p. r.w. 6/4/2010 - designed by checked by approved by drawn date 1 / 1 edition sheet date 12/6/2004 date 12/6/2004 date 12/6/2004 unless otherwise specified: dimensions are in millimeters, tolerances are 0.5 and angles are 3. SMT-0540-T-2-R.idw a3 size revision history ltr description date approved - released from engineering 12/6/2004 a added terminal material plating 1/18/2005 r.w. b updated rohs and tolerance 5/9/2005 r.w. c updated terminal dimensions 5/18/2005 b.r. d added reflow temperature 1/9/2006 b.r. e revised reflow temperature 6/5/2006 b.r. f revised to inventor 3-d drawing template 6/4/2010 b.r. g revised terminal material 5/11/2012 m.l. specifications parameters values unit rated voltage (square wave) 3 vp-p operating voltage range 2 ~ 4 vp-p rated current (max) 100 ma 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 - terminal material au plated phosphor bronze - weight 0.3 grams 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. notes: 1. specifications subject to change or withdrawl without notice. 2. all dimensions are in millimeters. 3. date code: a. first digit represents the no. of the year. b. last digit represents the month. (a-jan~l-dec.) 4. this part is rohs 2002/95/ec compliant. 5. reflowable to 260c 0.8 0.7 0.7 (3) 4.2 1.95 0.9 (2) 5.5 max. 1.1 ? 0.6 sound emission hole dummy lead lead (+) lead (-) pui polarity mark 6 a 3a 3b 5 3 5
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