Damde

FHDDMT40A


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FHDDMT40A

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.

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Keywords: buzzer | horn | materialized film

Product Description

1.SPECIFICATION
Speaker

1

Dimension

φ 40 * 10.5Hmm

2

Impedance

8 Ω 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 exceeded ≤ 5%

8

Operating Temperature

-30 ℃ to +75 ℃

9

Store Temperature

-40 ℃ to +85 ℃

2.Dimensions Unit: mm

3.Reliability Test Reliability Test

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:
10-55 Hz/min./Amplitude 1.52mm, 2 hours in each 3 axis

4.6Load Test:
Power 0.5W
Duration Test Duration 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.
After the above test is completed, it must be placed at room temperature for 1 hour before testing.
test sound pressure level change requirements 1kHz must be within ± 3dB.

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

5.Frequency Response

6. PACKAGING

packing box inner box

520*310*260

F6-117

1PCS

packing box outer box

540*330*290

f6-118

1PCS

packing tray

300*260*23

F6-119

20PCS

cover

300*260*3

F6-120

2PCS

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