FHDDMT40A-常州富鸿达电子有限公司

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FHDDMT40A

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产品描述

1.SPECIFICATION
Speaker

1	Dimension	Φ40*10.5Hmm
2	Impedance	8Ω±15%
3	Rated Input Power	0.5W
4	Max Input Power	1W
5	Lowest Resonance Frequency	700HZ±20%
6	Sound Pressure Level	92±3dB(AT 0.1M/0.1W, Average of 1.2,1.5,1.8,2.0KHZ)
7	Distortion	Less exceed≤5%
8	Operating Temperature	-30℃ to + 75℃
9	Store Temperature	-40℃ to + 85℃

2.Dimensions Unit: mm

3.Reliability Test 可靠性測試

4.1 HUMIDITY TEST:
Temperature: +40℃
Relative Humidity: 90%～96%
Duration : 48 hours

4.2 HIGH TEMPERATURE TEST:
High Temperature: +65℃
Duration: 48 hours

4.3 LOW TEMPERATURE TEST:
Low Temperature:-30℃
Duration: 48 hours

4.4 DROP TEST:
Drop from 1.0m height onto 5mm wooden board 6 times

4.5VIBRATION TEST:
10-55Hz/min./Amplitude 1.52mm, 2 hours in each 3axes

4.6Load Test:
Power 功率 0.5W
Duration 測試時長 48hrs

All these tests above should be measured after leaving normal temperature for 1hrs.
Sensitivity difference at 1kHz shall be within ±3dB from initial value after test.
以上試驗完畢後必須於常溫狀態下放置1小時再進行檢測。
測試音壓級變化要求1kHz時必須在±3dB以內。

The test shall be carried out on the parts that passed 12hours in temperature 20℃.
The sensitivity difference from the initial value shall be within ±3dB.

4.Electrical And Acoustical Measuring Condition