A ( 5 : 1 )
DETAIL "B"
Transducer (Electro-Mech)
SMT-0825-S-4-R
G.V.
E.P.
R.W.
4/30/2010
-
Designed by
Checked by
Approved by
Drawn Date
1 / 1
Edition Sheet
Date
4/1/2005
Date
4/1/2005
Date
4/1/2005
UNLESS OTHERWISE
SPECIFIED:
DIMENSIONS ARE IN
MILLIMETERS,
TOLERANCES
ARE ±0.5 AND
ANGLES ARE ±3°.
SMT-0825-S-4-R.idw
A3
SIZE
B
REVISION HISTORY
LTR DESCRIPTION DATE APPROVED
-
RELEASED FROM ENGINEERING 4/1/2005
A ADDED RoHS COMPLIANCE NOTE 8/10/2005
B REVISED TO INVENTOR 3-D DRAWING TEMPLATE 4/30/2010 B.R.
SPECIFICATIONS
PARAMETERS VALUES UNIT
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
85 dBA
RESONANT FREQUENCY
2,500 ± 500
Hz
OPERATING TEMPERATURE
-30 ~ +70
°C
STORAGE TEMPERATURE
-40 ~ +85
°C
HOUSING MATERIAL LCP
-
TERMINAL MATERIAL
Sn PLATED
PHOSPHOR BRONZE
-
WEIGHT 0.4
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
8.5
3
0.7
0.7
3
0.3 `0.1
1.5 `0.1 (3)
0.1 MAX.
0.1 MAX.
PAD
BOTTOM OF
TRANSDUCER
POLARITY
PAD (+)
DUMMY
PAD
DUMMY
PAD
POLARITY
PAD (-)
SOUND
EMISSION
HOLE
0
7
.
C
T
0
8
2
5
S
4
R
P
U
I
K
O
R
E
A
