User Manual

I The thickness of piezo the thickness of piezo 09/05/11 汤浩君 李红元
disc and piezo is 0.39 disc and piezo is 0.40
and 0.70. and 0.68.
This print and information there in are proprietary to Bestar Electronics Industry Co., Ltd.
and shall not be used in whole or in part without its written content
J the tolerance of total the tolerance of total 09/08/31 汤浩君 李红元
thickness and sheet thickness and sheet
metal's thickness is metal's thickness is
0.005 and 0.01 0.01 and 0.1
DRG NO: BS/TEY01.117J
李红元
Rev.
DrawnDate
Note
Approved by:
BESTAR ELECTRONICS INDUSTRY CO.,LTD
6 5
www.be-star.com [e-mail]
4 3
J 09/08/31 汤浩君
I 09/05/11 汤浩君
H 09/01/17 汤浩君
A
B
Date:
Drawn by:
Checked by:
09/08/31
汤浩君
赵 峥
C
D
Page:08 of 08
2 1
Piezo Ceramic Element
FT-39T-2.5B1
A
B
C
D
FT-39T-2.5B1
Frequency:2.35~2.55KHz
Resonant Impedance:500max
The thickness of sheet metal:0.39
The thickness of ceramic:0.26
07/01/13
Frequency:2.35~2.5KHz
Resonant Impedance:300max
The thickness of sheet metal:0.40
The thickness of ceramic:0.2
C
It is not the sign of
week and year on
the ceramic.
E
H
Printing the sign of
week and year on
the ceramic.
The thickness of piezo disc:0.65
E
G
F
F
D
Frequency:2.35~2.55KHz
Without concentric
circles tolerance
Printing the sign of
week and year on
the ceramic.
Printing the sign of
year,month and day
of the production on
the plate.
09/01/17
汤浩君
The thickness of piezo disc:0.70
Frequency:2.4~2.6KHz
Adding concentric
circles tolerance
Ø0.2 A
姜文金
07/01/29
09/01/08
07/09/13
杨红烨
汤浩君
07/01/15
姜文金
8. History change record
Change Items
A
B
G
version
No.
Frequency:2.4~2.5KHz
Before
H
Frequency:2.35~2.5KHz
After
姜文金
06/11/18
06/12/04
姜文金
姜文金
Date
Drawn
6 5 4 3
李红元
E
程久生
张秀琴
李红元
程久生
F
程久生
程久生
程久生
Approved
G
H
2 1
博 士 達