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.
REVISION HISTORY
SPECIFICATIONS
LTR
-
A
B
DESCRIPTION
DATE APPROVED
9/12/2005
PARAMETERS
VALUES
UNITS
Vp-p
RELEASED FROM ENGINEERING
REVISED FEEDBACK LOOP
REVISED TO INVENTOR 3-D DRAWING TEMPLATE
1/2/2008
R.W.
B.R.
©2003, Projects Unlimited Inc.
RATED VOLTAGE
12
10/3/2008
Vp-p
OPERATING VOLTAGE RANGE
RATED CURRENT (MAX)
3 ~ 28
7
21,000 ± 30%
85
mA
pF
CAPACITANCE
MINIMUM SPL @ 10 CM
dBA
Hz
°C
°C
-
2,500 ± 500
-30 ~ +85
-40 ~ +95
ABS
RESONANT FREQUENCY
OPERATING TEMPERATURE
STORAGE TEMPERATURE
HOUSING MATERIAL
Au PLATED
PHOSPHOR BRONZE
5
-
TERMINAL MATERIAL
WEIGHT
grams
14.9
LOCATING
DOT GROUND
11.5
8.1
n5.6`0.2 SOUND
EMISSION HOLE
GROUND
3.5
120°
n0.6
MAIN
FEEDBACK
REMOVEABLE
WASH TAB
n33.6
NOTES:
1. ALL DIMENSIONS ARE IN MILLIMETERS.
UNLESS OTHERWISE
SPECIFIED:
Designed by
Approved by
Checked by
Date
Date
Date
Drawn Date
2. SPECIFICATIONS SUBJECT TO CHANGE OR WITHDRAWL
WITHOUT NOTICE.
9/12/2005
9/12/2005
9/12/2005 10/3/2008
J.A.F.
B.R.
E.P.
SIZE
DIMENSIONS ARE IN
MILLIMETERS,
AT-3425-TWT-R
TOLERANCES
ARE ±0.5 AND
ANGLES ARE ±3°.
3. THIS PART IS RoHS 2002/95/EC COMPLIANT.
A3
Edition
Sheet
1 / 1
Transducer (Piezo)
-
4. PART WASHABLE USING DEIONIZED WATER, OR PURE ISOPROPYL ALCOHOL.
AT-3425-TWT-R.idw