SPECIFICATIONS
PARAMETERS
RATED VOLTAGE
OPERATING VOLTAGE RANGE
RATED CURRENT (MAX)
COIL RESISTANCE
MINIMUM SPL @ 10 CM
RESONANT FREQUENCY
OPERATING TEMPERATURE
STORAGE TEMPERATURE
HOUSING MATERIAL
TERMINAL MATERIAL
WEIGHT
VALUES
3
2~4
100
12 ± 2
78
4,000 ± 500
-30 ~ +70
-40 ~ +85
LCP
Au PLATED
PHOSPHOR BRONZE
0.25
UNIT
Vp-p
Vp-p
mA
OHM
dBA
Hz
°C
°C
-
-
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.
REVISION HISTORY
LTR
-
A
DESCRIPTION
RELEASED FROM ENGINEERING
REVISED TO INVENTOR 3-D DRAWING TEMPLATE
DATE
6/18/2008
6/4/2010
APPROVED
B.R.
EMISSION HOLE
4A
n
0.6 SOUND
4B
YOKE PLATE
DUMMY LEAD
0.7
`
0.1 (3)
0 D
POLARITY
MARK
0.7
`
0.05 (3)
1.1
5
4.2 MAX.
●PUI
5
2
`
0.1
UNLESS OTHERWISE
SPECIFIED:
DIMENSIONS ARE IN
MILLIMETERS,
TOLERANCES
ARE ±0.5 AND
ANGLES ARE ±3°.
1.95
LEAD (-)
0.8
`
0.2 (3)
LEAD (+)
NOTES:
5.5 MAX.
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.)
Designed by
Date
Checked by
Date
Approved by
Date
Drawn Date
SIZE
J.D.
6/18/2008
C.W.
6/18/2008
B.R.
6/18/2008
6/4/2010
A3
SMT-0540-T-7-R
Transducer (Electro-Mech)
Edition
Sheet
SMT-0540-T-7-R.idw
-
1/1
嵌入式系统
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