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      HN ELECTRONIC

      專業從事電磁式蜂鳴器、壓電式蜂鳴器生產及研發

      HN-9040

      HN-9040

      HN-9040

      HN-9040

      HN-9040

      產品說明

      1.測試條件
      產品測試條件:溫度:5~35℃,濕度:45%~85%R.H.,氣壓:860 ~1060hPa。
      標準測試條件:溫度:25±3℃,濕度:60±10%R.H.  氣壓:860 ~1060hPa

      1

      額定電壓(Vo-p)

      5 Vo-p

      2

      工作電壓(Vo-p)

      38 Vo-p

      3

      額定電流(mA)

      Max.80mA ,at 2730Hz 50% duty Square Wave 5Vo-p

      4

      輸出音壓(dB)

      Min. 83dB,at 2730Hz 50% duty Square Wave 5Vo-p

      5

      電阻(Ω

      40±4Ω

      6

      諧振頻率(Hz)

      2730Hz

      7

      工作溫度()

      -20+70

      8

      儲存溫度()

      -30+80

      9

      凈重(g)

      Approx 0.8g

      10

      環保

      Yes

      2.尺寸圖
      單位: mm

      *基本公差: 除特殊注明外,一般公差為±0.5mm
      *外殼材料:Black Noryl

      3.電性能及聲音測試條件
      測試電路


      測試裝置

      諧振頻率是占空比為50% 的方波,信號電壓要足夠讓晶體管飽和工作。


      4.頻響曲線

      在5Vo-p占空比為50%的方波,測試距離為10cm的條件


      5.可靠性測試
      在下面任何一項測試后都要符合以下標準,外觀和電性能(除聲壓外)上不能有不良或衰減現象出現,聲壓不能低于規格說明書的最低聲壓的10dB。
      壽命測試
      將測試件置于25±10℃的溫度下,輸入額定電壓、占空比為1/2的諧振頻率方波測試96小時。
      高溫測試
      將測試件置于+80℃的溫度下存放96小時,取出置于常溫下3小時而后測試。
      低溫測試
      將測試件置于-40℃的溫度下存放96小時,取出置于常溫下3小時而后測試。
      濕度測試
      將測試件置于溫度+40±3℃,濕度90%~95%的條件下持續48小時,再置于室溫下6小時而后測試。
      溫度沖擊測試
      將測試件置于以下溫變條件下:70℃2小時→-20℃2小時(1周期),做完一個周期實驗,過1個小時后再繼續下一次實驗,總測試周期數: 10個周期。
      落地測試
      將測試件標準包裝后(包裝盒的3個邊6個面)從1.2米的高度下跌落到厚木板或5厘米厚的硬木板上。
      機械振動測試
      按以下條件實驗后再測試:振速:1000次/分;振幅:1.5毫米;時間: 1小時更換一個自由度方向共3個自由度方向。


      注意:
      需避免無關材料進入產品內,無關材料如:磁性材料、水溶性的材料、腐蝕性的氣體等。因為這些無關材料將會影響產品的電性能。

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