transducer (electro-mech) SMT-1028-S-R r.c. e.p. 11/6/2007 - designed by checked by approved by drawn date 1 / 1 edition sheet date 7/19/2005 date date 7/19/2005 unless otherwise specified: dimensions are in millimeters, tolerances are 0.5 and angles are 3. SMT-1028-S-R.idw a3 size revision history ltr description date approved - released from engineering 7/19/2005 a revised terminal material 1/20/2006 b.r. b revised housing and terminal material 8/21/2006 b.r. c revised to inventor 3-d drawing template 11/6/2007 b.r. specifications parameters values units rated voltage (square wave) 3.6 vp-p operating voltage range 3 ~ 4.6 vp-p rated current (max) 100 ma coil resistance 18 5 ohm minimum spl @ 10 cm 93 dba resonant frequency 2,830 500 hz operating temperature -20 ~ +70 c storage temperature -40 ~ +85 c housing material lcp - terminal material cu wrapped fr4 au plated - weight 0.9 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. all dimensions are in millimeters. 2. specifications subject to change or withdrawl without notice. 3. this part is rohs 2002/95/ec compliant. 10 1 (4) 10 0.4 (4) 3.5 0.4 (4) 1.4 3.6 1 (4) 8.8 6.4 1.5 2.1 polarity (+) polarity (-) dummy pad (2) s m t - 1 0 2 8 - s - r d
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