BeStar FT-39T-2.5B1 User Manual

SPECIFICATION

FOR PIEZO CERAMIC ELEMENT

博士達

Customer

Customer P/N Date Page

Approval:

1.Electrical characteristics

2.Dimension

3.Measuring Method

4.Voltage ratio

5."Pull off"force between silver and ceramic layer

6.Reliability Test

7.Packing

8.History change record

TOTAL PAGE

31 Aug. 09

01 of 08

08

www.be-star.com

Model Name

Product No. Issue No. Issue Date

FT-39T-2.5B1

BS/TEY01.117J

09/08/31

Drawn by

汤浩君赵峥李红元

Checked by

Approved by

Customer approved

BESTAR ELECTRONICS INDUSTRY CO.,LTD

No.199 HuangHe West Road.New district,ChangZhou,JiangSu Province,P.R.China Tel: +86 519 88222567 Fax: +86 519 88222551

E-mail:wu@be-star.com http://www.be-star.com

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FT-39T-2.5B1

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1.Electrical characteristics

34 2

博士達

1

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G

No. Item Specification

1. Resonant Frequency 2.4~2.6K Hz@10mV Oscillation Level see page3&3.1

F

2. Resonant Impedance 500ohm max @10mV Oscillation Level

F

3. Static Capacitance 30± 30%nF at 120Hz,see page3&3.2 Static Feedback Capacitance 4± 30%nF at 120Hz,see page3&3.2

4. Insulation Resistance Min.200M ohm @50V see page3&3.3

E

5. Operating Voltage 3 - 50 Vp-p(silver to metal disc excluding feedback)

E

6. Feedback electrode output voltage and electrode input voltage ratio ≥2.5 see page 4 and test set up FIG1

7. "Pull off"force between silver

D

and ceramic layer (horizontally) 20N min see page 4 &5.2 a and test set up FIG2

D

8. "Pull off" force between silver

and shall not be used in whole or in part without its written content

This print and information there in are proprietary to Bestar Electronics Industry Co., Ltd.

and ceramic layer (vertically) 2.5N min see page 4 &5.2 b and test set up FIG3

9. Operating Temperature -30...+85°C

10. Storage Temperature -40...+85°C

C

B

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A

Rev.

11. Metallic supporter Brass

Date Drawn

BESTAR ELECTRONICS INDUSTRY CO.,LTD

6

C

B

Date: Drawn by: Checked by:

Note

5

Approved by:

www.be-star.com wu@be-star.com

4 2 1

09/08/31

汤浩君

赵峥

李红元

3

FT-39T-2.5B1

Piezo Ceramic Element

DRG NO: BS/TEY01.117J

A

Page:02 of 08

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FT-39T-2.5B1

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2.Dimension

博士達

2

1

H

G

5±1.5

year ,month and

11±1.0

XXXXXX

A

0.40±0.01

G

2

day of production

F

Ø23.5

Ø25

Ø0.2 A

3

Ø39

2

E

D

0.68±0.1

E

D

1

and shall not be used in whole or in part without its written content

This print and information there in are proprietary to Bestar Electronics Industry Co., Ltd.

C

B

H 09/01/17 汤浩君

I 09/05/11 汤浩君

J 09/08/31 汤浩君

A

Rev.

Date

BESTAR ELECTRONICS INDUSTRY CO.,LTD

6

Drawn

4

C

epoxy ring

4

ceramic

3

silver layer

2

1 Brass

No Item

Date: Drawn by: Checked by:

Note

5

Approved by:

www.be-star.com wu@be-star.com

4 3

09/08/31

汤浩君

赵峥

李红元

Piezo Ceramic Element

DRG NO: BS/TEY01.117J2Page:03 of 08

E-7 glue PZT 230 electric silver8062

B

H65 material

FT-39T-2.5B1

A

1

56 4 3 2

博士達

1

H

3.Measuring Method

3.1.Resonant Frequency Piezoelectric disc shall be put on the test fixture which is offered by customer ,when the Piezoelectric disc is in the frequency range ,the OK light will shine,otherwise,the NO light will shine.

G

F

E

3.2.Capacitance: A electrostatic capacity capacitance shall be measured at 120Hz by using LCR meter, such as DF2812A LCR numerical bridge or equivalent.the part shall be clamped at the node .

H

G

F

E

FT-39T-2.5B1

3.3.Insulation Resistance:

D

An insulation resistance shall be measured by using an insulation resistance meter,suach as DF2863 insulation resistance meter.

and shall not be used in whole or in part without its written content

This print and information there in are proprietary to Bestar Electronics Industry Co., Ltd.

C

3.4.Measureing Condition: Parts shall be measured under a condition(Temperature:+5°C to +35°C,Humidity:45 to 85% R.H.) unless the standard condition(Temperature:+25±3°C,Humidity:60±10%R.H.)is redulated to

B

A

Rev.

measure.

H 09/01/17 汤浩君 I 09/05/11 汤浩君

J 09/08/31 汤浩君

Date Drawn

BESTAR ELECTRONICS INDUSTRY CO.,LTD

6

D

C

B

Date: Drawn by: Checked by:

Note

5

Approved by:

www.be-star.com wu@be-star.com

4 3

09/08/31

汤浩君

赵峥

李红元

FT-39T-2.5B1

Piezo Ceramic Element

DRG NO: BS/TEY01.117J

2

A

Page:04 of 08

1

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FT-39T-2.5B1

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4. Voltage ratio

The voltage ratio between electrode input and feedback electrode output at resonant frequency is more than 2.5,see below

博士達

3 2 1

H

G

electrode

signal

S

F

U0

Feedback electrode

U1

Voltage ratio:

U1 U0

≥

2.5

G

F

FIG1

E

5."Pull off"force between silver and ceramic layer

Note:

5.1 Lead wire (UL 1571 #24AWG)to be soldered on the silver by handsoldering at 300 10°C duration 2 0.5 sec

D

5.2.a Pull force by houizontal direction is ≥20N

E

D

and shall not be used in whole or in part without its written content

5.2.b Pull force by vertical direction is ≥2.5N

This print and information there in are proprietary to Bestar Electronics Industry Co., Ltd.

C

B

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A

Rev.

Date Drawn

BESTAR ELECTRONICS INDUSTRY CO.,LTD

6 5 4

FIG.2 Direction of Lead Wire

(horizontally)

Note

Date: Drawn by: Checked by: Approved by:

FIG.3 Direction of Lead Wire

(vertically)

09/08/31

汤浩君

赵峥

李红元

www.be-star.com wu@be-star.com

3 2 1

90

FT-39T-2.5B1

Piezo Ceramic Element

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B

A

Page:05 of 08DRG NO: BS/TEY01.117J

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FT-39T-2.5B1

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6. Reliability test

6.1 Life test at high temperature Temperature +85°C Duration 240hrs

G

F

6.2 Life test at low temperature Temperature -40°C Duration 240hrs

6.3 Temperature cycle test Cycles 5

6.4 Humidity cycle test Cycles 5

5 4 3 2 1

+85℃

-40℃

30min

25℃90-95% RH

10h

+20℃

15min

30min

65℃ 90-95% RH

+20℃

15min

1h12h1h

博士達

H

G

F

All these tests above should be measured after leaving normal temperature for 2hrs.

E

6.5 Vibration Test

E

Vibration Frequency 10~55Hz Amplitude 1.53mm Direction 3(x.y&z) Duration 2hrs each direction (total 6 hrs)

6.6 Drop test Height 100cm

D

(to 10mm thickness woodenboard) Direction 3(x.y&z)

D

6.7 Solderability Test

and shall not be used in whole or in part without its written content

Soldering Temperature 230 C Duration 3 sec

6.8 Accelerated Life Test (ALT)

This print and information there in are proprietary to Bestar Electronics Industry Co., Ltd.

Thermal Cycling : Thermal Cycling consists of temperature ramping components for 30 minutes in the

C

Testing oven from -20°C to 70°C. The components are then exposed for 1 hour at The extremes and the cycle is repeated for a total of 15 cycles..

C

Thermal Soak: Thermal soak consists of exposing a powered unit to 70°C and 85% relative humidity for 45 days.

Notice: All specifications must be satisfied in this condition.

B

H 09/01/17 汤浩君 I 09/05/11 汤浩君

J 09/08/31 汤浩君

A

Rev.

Date

BESTAR ELECTRONICS INDUSTRY CO.,LTD

6

Drawn

Note

5 4

Date: Drawn by:

Checked by:

Approved by:

09/08/31

汤浩君

赵峥

李红元

www.be-star.com wu@be-star.com

3 2 1

FT-39T-2.5B1

Piezo Ceramic Element

DRG NO: BS/TEY01.117J

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A

Page:06 of 08

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7.Packing

7.1Packing Drawing

34 2

博士達

1

H

G

products

foam cover

G

50PCS

foam tray

F

E

label info

FT-39T-2.5B1

Datecode: XX.XX

D

Quantity:2500pcs

F

E

D

and shall not be used in whole or in part without its written content

7.2 packing quantity

7.2-a 1250pcs per foam tray

This print and information there in are proprietary to Bestar Electronics Industry Co., Ltd.

7.2-b 2 foam trays per carton

7.2-c Total 2500pcs per carton

7.2-d Carton size 39x25x17cm

C

7.2-e Transducers shall be packaged in suitable low-sulfur . air tight stacking containers to prevent oxidation of the metal disc. corrosion of the silver electrode. And damage during shipment and storage. Cartons shall be stackable to four feet high without damage to transducers.

B

H 09/01/17 汤浩君 I 09/05/11 汤浩君

J 09/08/31 汤浩君

A

Rev.

BESTAR ELECTRONICS INDUSTRY CO.,LTD

6 5

C

B

Date: Drawn by: Checked by:

DrawnDate

Note

Approved by:

www.be-star.com wu@be-star.com

09/08/31

汤浩君

赵峥

李红元

34 2

FT-39T-2.5B1

Piezo Ceramic Element

DRG NO: BS/TEY01.117J

A

Page:07 of 08

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FT-39T-2.5B1

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8. History change record

博士達

2 1

H

version

G

F

No.

A

Frequency:2.4~2.5KHz

B

Frequency:2.35~2.5KHz Resonant Impedance:300max

C

The thickness of sheet metal:0.40 The thickness of ceramic:0.2

Without concentric

D

circles tolerance

The thickness of piezo disc:0.65

E

Frequency:2.35~2.55KHz

F G

It is not the sign of

Before

week and year on the ceramic.

H

E

Printing the sign of

week and year on the ceramic.

Change Items

After

Frequency:2.35~2.5KHz

Frequency:2.35~2.55KHz Resonant Impedance:500max The thickness of sheet metal:0.39 The thickness of ceramic:0.26

Adding concentric circles tolerance

The thickness of piezo disc:0.70

Frequency:2.4~2.6KHz

Printing the sign of week and year on the ceramic.

Printing the sign of year,month and day of the production on

Ø0.2 A

Date

06/11/18 06/12/04

07/01/13

07/01/15

07/01/29 07/09/13

09/01/08

09/01/17

Drawn

姜文金

杨红烨

汤浩君

Approved

程久生

张秀琴

李红元

G

F

E

the plate.

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.

J the tolerance of total the tolerance of total 09/08/31 汤浩君李红元

D

thickness and sheet thickness and sheet

D

metal's thickness is metal's thickness is

0.005 and 0.01 0.01 and 0.1

and shall not be used in whole or in part without its written content

This print and information there in are proprietary to Bestar Electronics Industry Co., Ltd.

C

B

H 09/01/17 汤浩君 I 09/05/11 汤浩君

J 09/08/31 汤浩君

A

Rev.

BESTAR ELECTRONICS INDUSTRY CO.,LTD

6 5

C

B

Date:

Drawn by:

Checked by:

DrawnDate

Note

Approved by:

www.be-star.com wu@be-star.com

4 3

09/08/31

汤浩君赵峥

李红元

FT-39T-2.5B1

Piezo Ceramic Element

DRG NO: BS/TEY01.117J

2 1

A

Page:08 of 08