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FHDQT4025A


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FHDQT4025A

Parts shall be measured under one condition (temperature: 5~35 ℃, humidity: 45% ~ 85% R.H., atmospheric pressure: 860 ~ 1060hPa), unless standard conditions (temperature: 25±3 ℃, humidity: 60±10%R.H. atmospheric pressure: 860 ~ 1060hPa) are adjusted.


Category: Speaker box

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Keywords: buzzer | horn | materialized film

Product Description

 

 

 

APPROVAL SHEET

FOR

MYLAR SPEAKER

常州富鸿达电子有限公司

CHANG ZHOU FHD ELECTRONICS CO., LTD.

CUSTOMER No.:

CLUE No.:

 

MODEL No.:

FHDQT4025A-001

OUR PART No.:

 

CUSTOMER PART No.:

 

 

CUSTOMER

APPROVED

CHECKED

 

 

 

 

Add: Xujia Industrial Park, ZhenLu Town, Changzhou City, Jiangsu China.

江苏省常州市天宁区郑陆镇工业大道2

Tel: +86-519-83822009

Fax: +86-519-88739926

Email: sales@czfhd.com; http://www.czfhd.com

 

 

1. Document revision history

修改时间

版本

修改页次

修改内容

确认人

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1.SPECIFICATION

Speaker

1

Dimension

40*25*H6.8mm

2

Impedance

8Ω±20% at 2 KHz 1.0Vms Sine Wave

3

Rated Input Power

1.5W

4

Max Input Power

2.0W

5

Lowest Resonance Frequency

1250HZ±20% at 1.0V Sine wave

6

Buzz Sound

Must be free audible noise (buzzes and rattles)(F0 ~ 15KHz frequency range ,input level up to 2.83V)

7

Sound Pressure Level

93±3dB(AT 0.1m/1.0W, Average at  1KHZ)

8

Distortion

Not exceed 10% at 2KHz 1W

9

Operating Temperature

-20℃~+60

10

Store Temperature

-30℃~+70

2. Dimensions

Unit: mm

*Unit: mm; Tolerance: ±0.3mm Except Specified

 

3.Reliability Test 可靠性測試

3.1

High  Temperature  Test

High  Temperature:   +70±3

Duration :            96 hours

3.2

Low Temperature  Test

Low  Temperature:    -30±3

Duration :            96 hours

3.3

Humidity  Test

Temperature:         +40±5

Relative  humidity:    90%96% RH

Duration :            96 hours

3.4

Vibration  Test

Vibration:            10Hz500Hz   

Amplitude:           0.35mm or acceleration : 50m/s2

Duration :            2h per axis=10 cycles ; 3 axis

3.5

Temperature  Cycle  Test

Temperature:         -30       +70

Duration :            2 hours    2 hours

Cycle:               6 Cycle

3.6

Drop  Test

(under the unit)

Height:              1.0m

Cycle:               10 Cycles

3.7

Load  Test

Noise:               White noise

Power:              1.5W

Duration:            96 hours and satisfy the test listed on   item 05,08,14.

 

Sensitivity difference shall be within (3dB) and should satisfy the test described under item 14  after each following test

4.Electrical And Acoustical Measuring Condition

           

 

5.Frequency Response

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Submission

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