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  • 丹姆德

    蜂鳴器 BP1790

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    蜂鳴器 BP1790



    所屬分類: 壓電無源蜂鳴器

    關鍵詞:蜂鳴器 | 喇叭| 物化片


    1.Technical Parameter
    Measuring condition

    Part shall be measured under a condition (Temperature: 5~35℃, Humidity: 45% ~ 85%R.H., Atmospheric pressure: 860 ~ 1060hPa) unless the standard condition (Temperature: 25±3℃, Humidity: 60±10%R.H. Atmospheric pressure: 860 ~1060hPa) is regulated to measure.

    1 Resonant Frequency  2000±400Hz
    2 Operating Voltage 1~25 Vp-p
    3 Rated Current Max.5mA , At 2KHz 50% duty Square Wave 3Vp-p
    4 Sound Output at 10cm Min. 70dB, At 2KHz 50% duty Square Wave 3Vp-p
    5 Capacitance 25000±30% pF At 120Hz
    6 Operating Temperature -20℃~+70℃
    7 Store Temperature -30℃~+80℃
    8 Net Weight Approx 1.5g
    9 RoHS Yes


    2.Dimensions Unit: mm         

    *Unit: mm; Tolerance: ±0.5mm Except Specified
    *Housing Material: Black PBT


    3. Electrical And Acoustical Measuring Condition

    Recommended Setting


    4.Frequency Response

      3Vp-p 50% duty Square wave,10cm


    5.Reliability Test

    After any following tests the part shall meet specifications without any degradation in appearance and performance except SPL. SPL shall not deviate more than -5dB from the initial value
    a)Ordinary Temperature Life Test
    The part shall be subjected to 96 hours at 25±10℃. Input rated voltage Resonant frequency, 1/2 duty Square wave.
    b)High Temperature Test
    The part shall be capable of with standing a storage temperature of +70℃ for 96 hours.
    c)Low Temperature Test 
    The part shall be capable of with standing a storage temperature of -20℃ for 96 hours.
    d)Humidity Test
    Temperature:+40℃±3℃ Relative Humidity:90%~95% Duration: 48 hours and expose to room temperature for 6 hours
    e)Temperature Shock Test
    Temperature:70℃ /1hour→ 25℃/3hours→-20℃/1hour→ 25℃/3hours (1cycle)
    Total cycle: 10 cycles
    f)Drop Test
    Standard Packaging From 75cm(Drop on hard wood or board of 5cm thick, three sides, six plain.)
    g)Vibration Test
    Vibration:1000cycles /min. Amplitude:1.5mm, Duration: 1 hour in each 3 axes



    As this product is not protected from foreign material entering, please make sure that any foreign materials (e.g. magnetic powder, washing solvent, flux, corrosive gas) do not enter this product in your production processes. The functional degradation (e.g. SPL down) may occur if foreign material enter it.




    包裝 要求

    1. 泡沫板100PCS/板;  泡沫板料號:F6-703
    2. 內盒  1000PCS/盒  上盒料號:F6—057  下盒料號:F6--058
    3. 外箱  4000PCS/箱  料號:F6-022  外箱尺寸405*40*19.5cm







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