蜂鳴器 BP1790-常州富鴻達(dá)電子有限公司

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蜂鳴器 BP1790

零件應(yīng)在一個(gè)條件下（溫度：5～35℃，濕度：45%～85%R.H.，大氣壓：860～1060hPa）進(jìn)行測(cè)量，除非調(diào)節(jié)標(biāo)準(zhǔn)條件（溫度：25±3℃，濕度為60±10%R.H.大氣壓：860~1060hPa）來(lái)進(jìn)行測(cè)量。

1.????技術(shù)規(guī)格產(chǎn)品測(cè)試條件：溫度：5～35℃，濕度：45%～85%R.H.，氣壓：860?～1060hPa。標(biāo)準(zhǔn)測(cè)試條件：溫度：25±3℃,濕度：60±10%R.H.??氣壓：860?～1060hPa?。1諧振頻率(Hz)2000±400Hz2工作電壓(Vp-p)1～25Vp-p3額定電流(mA)Max.5mA,At2KHz50%dutySquareWave3Vp-p4輸出音壓(dB)Min

所屬分類：壓電無(wú)源蜂鳴器

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關(guān)鍵詞：蜂鳴器 | 喇叭| 物化片

產(chǎn)品描述

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

Note:

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.

6.Packing

包裝要求

1. 泡沫板100PCS/板；泡沫板料號(hào)：F6-703
2. 內(nèi)盒 1000PCS/盒上盒料號(hào)：F6—057 下盒料號(hào)：F6--058
3. 外箱 4000PCS/箱料號(hào)：F6-022 外箱尺寸405*40*19.5cm

嘜頭要求

內(nèi)盒：

按客戶訂單

外箱：

按客戶訂單