a ( 5 : 1 ) detail "b" transducer (electro-mech) SMT-0825-T-R r.a.c. r.w. 5/3/2010 - designed by checked by approved by drawn date 1 / 1 edition sheet date 1/4/2005 date date 1/4/2005 unless otherwise specified: dimensions are in millimeters, tolerances are 0.5 and angles are 3. SMT-0825-T-R.idw a3 size b revision history ltr description date approved - released from engineering 1/4/2005 a changed material & terminal material 3/9/2005 g.v. b removed lead free added rohs note 8/10/2005 c added resonant freq. tolerance 5/16/2007 r.w. d revised to inventor 3-d drawing template 5/3/2010 b.r. specifications parameters values units rated voltage 3.6 vp-p operating voltage range 2.5 ~ 4.5 vp-p rated current (max) 90 ma coil resistance 15 3 ohm minimum spl @ 10 cm 87 dba resonant frequency 2,500 500 hz operating temperature -30 ~ +70 c storage temperature -40 ~ +85 c housing material lcp - terminal material sn plated pbs - weight 0.42 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. 8.5 ` 0.2 8.5 ` 0.2 4 ` 0.1 1.5 ` 0.1 (3) 0.3 ` 0.1 k o r e a 0 8 l t 0 8 2 5 t r p u i n 2 sound emission hole dummy pad dummy pad polarity pad (+) polarity pad (-) 0.1 max. 0.1 max. bottom of transducer pad
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