富鸿达
%{tishi_zhanwei}%
ENGLISH
丹姆德

产品中心

蜂鸣器 BP4020

+
  • 44.1.jpg
  • 44.2.jpg
  • 44.3.jpg
  • 44.4.jpg
  • 44.6.jpg

蜂鸣器 BP4020

1.    TechnicalParameter MeasuringconditionPartshallbemeasuredunderacondition(Temperature:5～35℃,Humidity:45%～85%R.H.,Atmosphericpressure:860～1060hPa)unlessthestandardcondition(Temperature:25±3℃,Humidi
所属分类： 压电无源蜂鸣器
1.    TechnicalParameter MeasuringconditionPartshallbemeasuredunderacondition(Temperature:5～35℃,Humidity:45%～85%R.H.,Atmosphericpressure:860～1060hPa)unlessthestandardcondition(Temperature:25±3℃,Humidi
在线留言

产品描述

蜂鸣器是一种一体化结构的电子讯响器，采用直流电压供电，广泛应用于计算机、打印机、复印机、报警器、电子玩具、汽车电子设备、电话机、定时器等电子产品中作发声器件。蜂鸣器主要分为压电式蜂鸣器和电磁式蜂鸣器两种类型。蜂鸣器在电路中用字母“H”或“HA”（旧标准用“FM”、“ZZG”、“LB”、“JD”等）表示。
 
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 3000±500Hz
2 Operating Voltage 1～25 Vp-p
3 Rated Current Max.5mA ,At 3KHz 50% duty Square Wave 3Vp-p
4 Sound Output at 30cm Min. 89dB,At 3KHz 50% duty Square Wave 3Vp-p
5 Capacitance 30000±30% pF At 1KHz
6 Operating Temperature -20 - +70℃

 
7 Storage Temperature -30 - +80℃

 
8 RoHS Yes

 
9 Weight Approx  15g
2.     Dimensions Unit: mm           Tolerance: 0.5mmExcept Specified

 
*Housing Material: Black  PPO

 

 

 

3.Electrical And Acoustical Measuring Condition

Recommended Setting

4.Frequency Response

3Vp-p 50% duty Square wave,30cm

5.ReliabilityTest

After any following tests the part shall meet specifications without any degradation in

appearance and performance except SPL. SPL shall not deviate more than -5 dB

from the initial value

5.1Ordinary Temperature Life Test

The part shall be subjected to 96 hours at 25±10℃. Input rated voltage

Resonant frequency, 1/2 duty Square wave.

5.2 High Temperature Test

The part shall be capable of with standing a storage temperature of +80℃for 96 hours.

5.3 Low Temperature Test

The part shall be capable of with standing a storage temperature of ­-30℃for 96 hours.

5.4 Humidity Test

Temperature:+40℃±3℃ Relative Humidity:90%～95% Duration: 48 hours

and expose to room temperature for 6 hours

5.5 Temperature Shock Test

Temperature:70℃ /1hour→25℃/3hours→-20℃/1hour→25℃/3hours (1cycle)

Total cycle: 10 cycles

5.6 Drop Test

Standard Packaging From 1.2m(Drop on hard wood or board of 5cm thick,

three sides, six plain.)

5.7 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.

在线留言

提交