Transducer (Electro-Mech)
SMT-0540-S-R
B.R.
B.R.
E.P.
3/31/2006
-
Designed by
Checked by
Approved by
Drawn Date
1 / 1
Edition Sheet
Date
12/13/2007
Date
3/31/2006
Date
3/31/2006
UNLESS OTHERWISE
SPECIFIED:
DIMENSIONS ARE IN
MILLIMETERS,
TOLERANCES
ARE ±0.5 AND
ANGLES ARE ±3°.
SMT-0540-S-R.idw
A3
SIZE
6
A
P
U
I
REVISION HISTORY
LTR
DESCRIPTION
DATE
APPROVED
-
RELEASED FROM ENGINEERING 3/31/2006
A REVISED TO INVENTOR 3-D DRAWING TEMPLATE 12/13/2007 B.R.
B
REVISED TOLERANCES ON DIMENSIONS
8/27/2010 B.R.
C REVISED LOWER HOUSING AND TERMINAL MATERIAL 2/24/2011 B.R.
SPECIFICATIONS
PARAMETERS VALUES UNITS
RATED VOLTAGE (SQUARE WAVE)
3
Vp-p
OPERATING VOLTAGE RANGE 2 ~ 4
Vp-p
RATED CURRENT (MAX)
100 mA
COIL RESISTANCE 12 ± 2 OHM
MINIMUM SPL @ 10 CM
78 dBA
RESONANT FREQUENCY
4,000 ± 500
Hz
OPERATING TEMPERATURE
-30 ~ +70
°C
STORAGE TEMPERATURE
-40 ~ +85
°C
HOUSING MATERIAL LCP
-
TERMINAL MATERIAL
Au PLATED
PHOSPHER BRONZE
-
WEIGHT 0.2
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.
4. DATE CODE: A. FIRST DIGIT REPRESENTS THE No. OF THE YEAR.
B. LAST DIGIT REPRESENTS THE MONTH. (A=JAN.~L=DEC.)
5
5
2 `0.1
0.6
0.3
2
0.8 `0.2 (3)
4.2 MAX
1.95
0.7 `0.05 (3)
0.7 `0.1 (3)
5.5 MAX
SOUND
EMISSION HOLE
DUMMY LEAD
(-) LEAD
(+) LEAD
POLARITY
MARK
4(B)
4(A)
YOKE PLATE
