产品描述
产品名称：FDS-1813025R8W0.7
尺寸：长18±0.15 宽13±0.15 厚度 2.5±0.15
额定功率：0.7W
最大功率：1W
阻抗：8±15% ?
重量：1.8g
共振频率：450±20%Hz in free air, 700±15% Hz 

灵敏度/声压：85± 3dB

1. 简介SCOPE 

 本产品适用于电脑，手机等产品

This specification covers our product of dynamic speaker unit for Computer, Mobile phone etc. use.

2.外观尺寸图 MECHANICAL LAYOUT & DIMENSIONS

3.概要 GENERAL REQUIREMENTS

3.1 使用温度OPERATING TEMPERATURE RANGE: -30℃ ~ +70℃

3.2 储存温度Storage Temperature: -40℃ ~ +85℃

3.3 标准测试条件STANDARD TEST CONDITIONS:

    温度Temperature:       17～25℃     湿度Relative Humidity:       45%～80%(RH)

    大气压力Air Pressure:    860～1060 MPa

3.4仲裁测试条件JUDGEMENT CONDITIONS:

        温度Temperature:        20±2℃        湿度Relative Humidity:      60%～70%(RH)

   大气压力Air Pressure:     860～1060 MPa

4. 扬声器规格SPEAK ELECTRICAL AND ACOUSTICAL SPECIFICATION

4.1 声压级 Sound Press Level（SPL）：85± 3 dB SPL /1.0V/10CM at 1000Hz 

     4.2阻抗 IMPEDANCE：8±15% ? 1.0V at 2000Hz

4.3频响曲线FREQUENCY RESPONSE CURVE: As shown in fig(2)

4.4谐振频率RESONANCE FREQUENCY:450±20%Hz in free air, 700±15% Hz 0.5w/10cm testing in 1cc box

4.5额定功率 Rated Power：0.7W in 1CC box

4.6最大功率Max. Power: 1.0W must be normal white noise (1W) for 1 minute in 1.0cc box

4.7谐波失真DISTORTION ：(Mounted in 1cc measure box and in a baffle) Test at 2Vrms/10cm fig(3)

4.8纯音检听AUDIBLE NOISE： Must be free audible noise 300Hz ~ 10KHz; 2.

5. 可靠性测试 RELIABILITY TESTS

蜂鸣器进行下列测试后SPL变化不允许超出±5dB，不允许有任何机械或者热损伤。

The sound pressure as specified shall neither deviate more than ±5dB from the initial value, nor any significant damage after any of following testing.

5.1高温试验 HIGH TEMPERATURE TEST

   High temperature:              +85±2℃  

   Duration:                      16 hours

5.2低温试验LOW TEMPERATURE TEST

   Low temperature :              -40±2℃  

   Duration:                      16 hours

5.3冷热冲击试验HEAT SHOCK TEST

   High temperature:              +85±2℃

   Low temperature:              -40±2℃

   Changeover time:               < 30 seconds

   Duration:                     1 hour

   Cycle:                        5

5.4高温高湿试验HUMIDITY TEST

   Temperature:                  +40±2℃

   Relative humidity:              90～95%

   Duration:                     16 hours

5.5高低温循环试验TEMPERATURE CYCLE TEST

   Temperature:                  -40℃      +20℃        +85℃

   Duration:                     30 minutes  15 minutes    30 minutes

   Temperature gradient:           1~3℃/min.

   Cycle:                        5

5.6跌落试验DROP TEST

   Free drop a unit to the surface of 10mm thick board

 Height:                       100cm

   Cycle:                        6 (1 each plain)   onto the concrete board

5.7可靠性试验Load test

White Noise.:20~20kHz Rated Power: 0.7W  24Hours in 1cc box