Transducer (Electro-Mech)

SMT-0540-T-7-R

J.D.

C.W.

B.R.

6/4/2010

-

Designed by

Checked by

Approved by

Drawn Date

1 / 1

Edition

Sheet

Date

6/18/2008

Date

6/18/2008

Date

6/18/2008

UNLESS OTHERWISE

SPECIFIED:

DIMENSIONS ARE IN

MILLIMETERS,

TOLERANCES

ARE ±0.5 AND

ANGLES ARE ±3°.

SMT-0540-T-7-R.idw

A3

SIZE

REVISION HISTORY

LTR

DESCRIPTION

DATE APPROVED

-

RELEASED FROM ENGINEERING

6/18/2008

A

REVISED TO INVENTOR 3-D DRAWING TEMPLATE

6/4/2010

B.R.

SPECIFICATIONS

PARAMETERS

VALUES

UNIT

RATED VOLTAGE

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

PHOSPHOR BRONZE

-

WEIGHT

0.25

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.)

0.7

0.7

5.5 MAX.

0.8

2

EMISSION HOLE

1.1

5

5

1.95

4.2 MAX.

●PUI

0 D

POLARITY

MARK

4A

4B

DUMMY LEAD

YOKE PLATE

LEAD (+)

LEAD (-)