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FHDSP28C


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FHDSP28C

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: Mylar speaker

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Keywords: buzzer | horn | materialized film

Product Description

1.SPECIFICATION
Speaker

1

Dimension

φ 28 * H 6.5

2

Impedance

8Ohm 20% at 1.0KHz

3

Rated Input Power

0.5W

4

Max Input Power

1.0W

5

Lowest Resonance Frequency

700 20% Hz

6

Audible Noise

The input power shall be set at rated noise power(0.5W). Using an audio oscillator sweep from F0 to 10KHZ in free air. There shall be no buzzes,rattles,nor spurious noises.

7

Sound Pressure Level

89±3dB SPL(0.1m,0.1W) at 0.8,1.0,1.2,1.5 KHz (0dB SPL = 20μPa)

8

Distortion

Less Exceeded ≤ 10% at2.0KHz

9

Operating Temperature

-20 ℃ to +60 ℃

10

Store Temperature

-30 ℃ to +70 ℃

2. Dimensions

3.Reliability Test Reliability Test

3.1

High Temperature Test

High Temperature: +70 ℃ 5 ℃
Duration: 96 hours

3.2

Low Temperature Test

Low Temperature: -30 ℃ 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: 1.5mm or acceleration : 50m/s2
Duration : 2 h per axis = 10 cycles ; 3 axis

3.5

Temperature Cycle Test

Temperature: -30 ℃ +70 ℃
Duration : 2 hours 2 hours
Cycle: 5 Cycle

3.6

Drop Test
(under the unit)

Height: 1.0cm
Cycle: 10 Cycles

3. 7

Load Test

Noise: White noise
Power: 0.5W
Duration: 96 hours and satisfy the test listed on item 05,08,14.

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

6.Frequency Response

7.Packing

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Submission
Mobile phone two-dimensional code

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Contact Us

0086-519-83822009

Mobile Phone: 008613813568186
Fax: 0519-88739926
Mailbox:
eve.jiang@czfhd.net
Address:
Zhenglu Town, Tianning District, Changzhou City, Jiangsu Province

Copyright©2023 All Rights Reserved of Changzhou FHD electronics Co.,Ltd.

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