FHDSP23A

常州富鸿达电子有限公司成立于2010年，生产蜂鸣器，喇叭，报警器，咪头等电声器件，是一家集研发、生产、销售一体的企业。

类别：

Mylar speaker

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产品详情

1.SPECIFICATION
Speaker

1	Dimension	φ 23 * H3.7
2	Impedance	5Ohm 15% at 2.0KHz 1.0V
3	Rated Input Power	0.5W
4	Max Input Power	0.7W
5	Lowest Resonance Frequency	700 20% Hz
6	Audible Noise	The input shall set be at rated noise power(0.8V. 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	93±3dB SPL(0.1m,0.5W) 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: 1.0m Cycle: 10 Cycle
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