丹姆德

FHDREC40A


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FHDREC40A

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: 耳机喇叭
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关键词:蜂鸣器 | 喇叭| 物化片

产品描述

1.SPECIFICATION
Speaker

1

Dimension

Φ39.8*H10.6

2

Net Weight

Approx 12.5g

3

Impedance

32±15%ohms @1kHz 1Vrms

4

Rated Input Power

10mW

5

Max Input Power

20mW

6

Resonance Frequency(F0)

80Hz±20% 

7

Sound Pressure Level

112±3dB SPL @1KHz (0dB SPL=20μPa)
Input voltage: 179mV (Sine wave) measured with IEC318 coupler.

8

Distortion

Less exceed≤5%1mw/1kHz  For IEC318 coupler& ear cap.

9

Operating Temperature

-25℃~+50℃

10

Store Temperature

-25℃~+60℃

 

2.Dimensions Unit: mm

*Unit: mm; Tolerance: ±0.5mm Except Specified

 

3.Reliability Test 可靠性測試

 

3.1

High  Temperature  Test

High  Temperature:   +60℃±5℃
Duration :            96 hours

3.2

Low Temperature  Test

Low  Temperature:    -25℃±5℃
Duration :             96 hours

3.3

Humidity  Test

Temperature:         +40℃±5℃
Relative  humidity:    90%~95% RH
Duration :             96 hours

3.4

Vibration  Test

Vibration:            10Hz~55Hz   
Amplitude:           3.5mm or acceleration : 50m/s2
Duration :            2h per axis=10cycles ; 3 axis

3.5

Temperature  Cycle  Test

Temperature:         -25℃       +60℃
Duration :            2hours  2hours
Cycle:               10 Cycle

3.6

Drop  Test
(under the unit)

Height:              0.75m
Cycle:               6 Cycles

3.7

Load  Test

Noise:               White noise
Power:               0.56V
Duration:            96 hours and satisfy the test listed on item 05,08,14.

 

4.Frequency Response 

5.Response Curve

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