企业信息

    江阴市福鼎通讯器材有限公司

  • 6
  • 公司认证: 营业执照已认证
  • 企业性质:有限责任公司
    成立时间:1994
  • 公司地址: 江苏省 无锡 江阴市 月城镇 月冯路29号
  • 姓名: 陈红波
  • 认证: 手机未认证 身份证未认证 微信未绑定

    常州FDS-280055R8W1.0扬声器**薄喇叭福鼎厂家直销

  • 所属行业:影音 影音配件 电声喇叭
  • 发布日期:2019-08-08
  • 阅读量:812
  • 价格:1.00 元/pcs 起
  • 产品规格:12.6 x1.8 mm
  • 产品数量:1000000.00 pcs
  • 包装说明:泡沫+纸箱
  • 发货地址:江苏无锡江阴市月城镇  
  • 关键词:喇叭

    常州FDS-280055R8W1.0扬声器**薄喇叭福鼎厂家直销详细内容

    DESCRIPTION 
    
      常州FDS-280055R8W1.0扬声器**薄喇叭发音福鼎厂家直销
    
     描述
    
     
    
     1.Characteristics
    
    ITEM
    
    SPECIFICATIONS
    
    01
    
    Type
    
    Dynamic speaker
    
    02
    
    Dimension
    
    External diameter28 mm
    
    03
    
    Rated Input Power
    
    1.0W
    
    04
    
    Max. Input Power
    
    1.5W
    
    05
    
    Impedance
    
    8 ohm ± 15% at1500Hz.
    
    06
    
    Resonance Frequency (Fo)
    
    650Hz ± 20% at  Fo, 1V
    
    07
    
    Sensitivity (S.P.L.)
    
    97 dB(1.0W/0.1m) ± 3 dB
    
     at AVE  0.8K 1.0K 1.2K1.5K Hz
    
    08
    
    Frequency Range
    
    Fo –5 KHz
    
    09
    
    Total Harmonics Distortion
    
    Max8 % at 1 KHz,1.0W.
    
    10
    
    Voice Coil
    
    Diameter13.3 mm
    
    11
    
    Magnet
    
     Rare earth permanent (Nd-Fe-B) magnet Φ12.6 x1.8 mm
    
    12
    
    Weight
    
    7.0g ± 0.3g
    
    13
    
    Appearance
    
    Should not exist any obstacle to be harmful to normal operation; damages, cracks, rusts and distortions, etc.
    
    14
    
    Operation Test
    
    Must be normal at program source –1.0 W
    
    15
    
    Buzz, Rattle, etc.
    
    Should not be audible at2.83V sine Wave between Fo to 20KHz
    
    16
    
    Polarity
    
    When positive voltage is applied to the terminal marked (+), diaphragm should move to the front.
    
    17
    
    Terminal Strength
    
    Capable of withstand 1kg load for 30 seconds without resulting in any damage or rejection.
    
    18
    
    Temperature
    
    Operating temperature: -20℃ to +60℃
    
    Storage  temperature: -30℃ to +70℃
    
    2.1 Electrical and Mechanical Characteristics
    
    2.2. MEASURING METHOD
    
    Test Condition
    
    A.STANDARD
    
    Temperature : 15 ~ 35℃
    
    Relative humidity : 25% ~ 85%,
    
    Atmospheric pressure : 860mbar to 1060mbar.
    
    Atmospheric pressure : 860mbar to 1060mbar.
    
     
    
     B.BASIC
    
    Temperature : 20±3℃
    
    Relative humidity : 60% ~ 70%,
    
    Atmospheric pressure : 860mbar to 1060mbar
    
    C.Standard Test Fixture
    
    1.Input Power :1.0W
    
    2.Zero Level : -dB
    
    3.Mode : SPEAKER
    
    4.potentiometer Range : 50dB
    
    5.Sweep Time : 0.5sec
    
    11.png
    
    3.FrequencyResponse Curve
    
     12.png
     
    
    4.Dimension
    
     13.png
    
    5. Reliability test
    
     
    
    Items.
    
    Specifications
    
    01
    
    High temp. Test
    
    Keep 96 hours at +70℃±3℃ and leave 3 hours in normal temperature and then check
    
    02
    
    Low temp. Test
    
    Keep 96 hours at -30℃±3℃ and leave 3 hours in normal temperature and then check
    
    03
    
    Humidity test
    
    Keep 96 hours at + 60℃±3℃ relative humidity 95% and leave 3 hours in normal temperature and then checked.
    
    04
    
    Temp./Humidity cycle
    
    The part shall be subjected 5 cycles. One cycle shall be 12 hours and consist of;
    
     
    
    05
    
    Thermal cycle test.
    
    Low temperature: -30℃±3℃, temperature:+70℃±3℃, cycle: 1 hour/cycle each, and then keep 5 cycles in a room.
    
    06
    
    Vibration
    
    10~200~10Hz sin-wave sweep 15min. 5G(constant)
    
    X,Y, Z 3 direction. 2 hours each, total 6 hours.
    
    07
    
    Fix drop test
    
    Fix on jig. Then drop from 152cm height to the concrete floor
    
    X, y, z 6 direction. 5 times each, total 30 times.
    
    08
    
    Free drop test
    
    Free drop from 100cm height to the concrete floor
    
    X, y, z 6 direction. 1 times each, total 6 times.
    
    09
    
    Rated Power test
    
    Rated Power white noise is applied for 96 hours
    
    10
    
    Max Power test
    
    Max power 1 min on – 2 min off 10 cycles.
    
    11
    
    Terminal strength test
    
    Capable of withstand 1kg load for 30 seconds without resulting in any damage or rejection.
    
    Criterion:
    
    After these test , the change of S.P.L shall be within ±3 dB .
    
     
    
    SOLDERING CONDITION
    
    Recommend using constant branding iron in 30W, and in temperature range 350°C.
    
    Soldering time not over2 seconds.
    
     
    
    6.Packing
    
     
    
    Each minimum package unit of products shall be in a carton box and it shall be clearly marked with
    
    Part Number, quantity and outgoing inspection number. There shall be no mechanical damage on
    
    products during transportation and/or in storage.

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