Transducer (Electro-Mech)
AT-1228-TT-R
J.A.F.
E.P.
B.R.
4/8/2008
-
Designed by
Checked by
Approved by
Drawn Date
1 / 1
Edition Sheet
Date
8/11/2005
Date
8/11/2005
Date
8/11/2005
UNLESS OTHERWISE
SPECIFIED:
DIMENSIONS ARE IN
MILLIMETERS,
TOLERANCES
ARE ±0.5 AND
ANGLES ARE ±3°.
AT-1228-TT-R.idw
A3
SIZE
REVISION HISTORY
LTR DESCRIPTION DATE APPROVED
-
RELEASED FROM ENGINEERING 8/11/2005
A REVISED TO INVENTOR 3-D DRAWING TEMPLATE 4/8/2008 B.R.
SPECIFICATIONS
PARAMETERS VALUES UNITS
RATED VOLTAGE
1.5
Vp-p
OPERATING VOLTAGE RANGE 1 ~ 1.7
Vp-p
RATED CURRENT (MAX)
40
mA
COIL RESISTANCE
16 ± 2.4
OHM
MINIMUM SPL @ 10 CM
85 dBA
RESONANT FREQUENCY
2,800 ± 500
Hz
OPERATING TEMPERATURE -30 ~ +70 °C
STORAGE TEMPERATURE
-40 ~ +85
°C
HOUSING MATERIAL PBT
-
TERMINAL MATERIAL Au PLATED COPPER
-
WEIGHT 2
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.
n12
n2.3 SOUND
EMISSION HOLE
0.6n`0.1 (2)
103.3
0.5
6.5
REMOVABLE
WASH TAB
EPOXY
POTTING
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.
