Transducer (Electro-Mech)
SMT-1028-T-R
J.A.F.
B.R.
E.P.
11/7/2007
-
Designed by
Checked by
Approved by
Drawn Date
1 / 1
Edition Sheet
Date
8/30/2005
Date
8/30/2005
Date
8/30/2005
UNLESS OTHERWISE
SPECIFIED:
DIMENSIONS ARE IN
MILLIMETERS,
TOLERANCES
ARE ±0.5 AND
ANGLES ARE ±3°.
SMT-1028-T-R.idw
A3
SIZE
REVISION HISTORY
LTR DESCRIPTION DATE APPROVED
-
RELEASED FROM ENGINEERING 8/30/2005
A
REVISED TERMINAL MATERIAL
1/20/2006 B.R.
B REVISED TO INVENTOR 3-D DRAWING TEMPLATE 11/6/2007 B.R.
SPECIFICATIONS
PARAMETERS VALUES UNIT
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
90 dBA
RESONANT FREQUENCY
2,830 ± 500
Hz
OPERATING TEMPERATURE
-20 ~ +70
°C
STORAGE TEMPERATURE
-40 ~ +85
°C
HOUSING MATERIAL
PA46
-
TERMINAL MATERIAL Au PLATED COPPER
-
WEIGHT 1
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.
DUMMY PAD
POLARITY (-)
POLARITY (+)
10
10
0.4 (4)
n2.9 SOUND
EMISSION HOLE
3.5
0.4
1 (4)
1 (4)
6.4
2.1
1.5
S
M
T
-
1
0
2
8
-
T
-
R
D
