transducer (piezo) AT-4228-TWT-F-R j.a.f. e.p. b.r. 9/5/2008 - designed by checked by approved by drawn date 1 / 1 edition sheet date 9/12/2005 date 9/11/2005 date 9/11/2005 unless otherwise specified: dimensions are in millimeters, tolerances are 0.5 and angles are 3. AT-4228-TWT-F-R.idw a3 size revision history ltr description date approved - released from engineering 9/12/2005 a revised to inventor 3-d drawing template 9/5/2008 b.r. b added drive circuit 2/9/2012 c.w. specifications parameters values units rated voltage 12 vp-p operating voltage range 3 ~ 28 vp-p rated current (max) 7 ma capacitance 25,000 30% pf minimum spl @ 10 cm 92 dba resonant frequency 2,800 500 hz operating temperature -30 ~ +85 c storage temperature -40 ~ +95 c housing material abs - terminal material au plated phospher bronze - weight 11.7 grams 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. p 42 7 pb 0.1 sound emission hole removable wash tab 6.5 14 1 b 0.1 (3) 1.5 6.6 16 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.
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