丹姆德

FHDQT30A


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FHDQT30A

零件应在一个条件下(温度:5~35℃,湿度:45%~85%R.H.,大气压:860~1060hPa)进行测量,除非调节标准条件(温度:25±3℃,湿度为60±10%R.H.大气压:860~1060hPa)来进行测量。


所属分类: 腔体喇叭
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关键词:蜂鸣器 | 喇叭| 物化片

产品描述

1.SPECIFICATION
Speaker

1

Dimension

30*H8.0mm

2

Impedance

4Ω±20% at 2 KHz 1.0Vms Sine Wave

3

Rated Input Power

2.0W

4

Max Input Power

2.2W

5

Lowest Resonance Frequency

1250HZ±20% at 1.0V Sine wave

6

Audible Noise

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

7

Sound Pressure Level

96±3dB(AT 0.1m/2.0W, Average at 1KHZ)

8

Distortion

Not exceed 10% at 2KHz 2W

9

Operating Temperature

-20℃~+60℃

10

Store Temperature

-30℃~+70℃

 

2.Dimensions

*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:            10Hz~500Hz   
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:              2.0W
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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