Buzzer BP4020

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Buzzer BP4020

Parts shall be measured under one condition (temperature: 5~35 ℃, humidity: 45% ~ 85% R.H., atmospheric pressure: 860 ~ 1060hPa), unless standard conditions (temperature: 25±3 ℃, humidity: 60±10%R.H. atmospheric pressure: 860 ~ 1060hPa) are adjusted.

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Keywords: buzzer | horn | materialized film

Product Description

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 10cm Min. 89dB, At 3KHz 50% duty Square Wave 3Vp-p
5 Capacitance 30000±30% pF At 1KHz
6 Operating Temperature -20℃~+70℃
7 Store Temperature -30℃~+80℃
8 Net Weight Approx 15g
9 RoHS Yes

2. Dimensions Unit: mm

*Housing Material: Black PPO

3. Electrical And Acoustical Measuring Condition

Recommended Setting

4.Frequency Response

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

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 +80℃ for 96 hours.
c)Low Temperature Test
The part shall be capable of with standing a storage temperature of -30℃ 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.


packing requirements

1. foam board 16PCS/board; Material number: f6-700
2. inner box 63.5*53.5 128PCS/box material number: F6-057/058
3. outer box 512PCS/box 40.5*40*19.5 material number: F6-022

mark requirements

inner box:

according to customer order

outer box:

according to customer order

6.1 pearl foam packaging, 16 pcs/plate, 6 plates in a box, top covered with a white cardboard, 96 PCS/box, press tight tape

7.2 each box put four boxes carton size: 40*40.5*19.5 384 PCS/box middle part put a yellow backing plate

7.3 packing, sealing "I" shaped tape, the middle seal three, each end seal a tape "well" shaped box sealing belt

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Contact Us


Mobile Phone: 008613813568186
Fax: 0519-88739926
Zhenglu Town, Tianning District, Changzhou City, Jiangsu Province

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