Buzzer BP1745

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Buzzer BP1745

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

. Technical Parameter
Measuring condition
Part shall be measured under a condition (Temperature: 5~35 ℃, Humidity: 45% ~ 85% r. h., Atmospheric pressure: 860 ~ 1060hPa) without the standard condition (Temperature: 25±3 ℃, Humidity: 60±10% r. h. Atmospheric pressure: 860 ~ 1060hPa) is regulated to measure.


Resonant Frequency

4 000 +400Hz


Operating Voltage

1 ~30 V p -p


Rated Current

Max. 5 mA , A t 4K Hz 50% duty Square Wave 9 V p -p


Sound Output at 10cm

Min. 82 dB , A T 4K Hz 50% duty Square Wave 9 V P -P



15000 ±30% pf at 1khz


Operating Temperature

-20 ℃ ~ +7 0


Store Temperature

-30 ℃ ~ +8 0


Net Weight

Approx 0.7g




2. Dimensions Unit: mm

* Unit: mm; Tolerance: ± 0.5mm Except Specified
* Housing Material: Black Noryl
Note: The pin solder joints of the circuit board shall be protected by silicone, prevent the product from short-circuiting due to tin explosion of solder joints over wave soldering pins

3. Electrical And Acoustical Measuring Condition

Recommended Setting

4.Frequency Response

10Vp-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 -5 dB from the initial value
a)Ordinary Temperature Life Test
The part shall be subjected to 96 hours at 25±10 ℃. frequency voltage Resonant, 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 of +40 ℃ 3 ℃ Relative Humidity:90% ~ 95% Duration: 48 hours
and exposure to room temperature for 6 hours
e)Temperature Shock Test
Temperature:70 ℃/1 hour→ 25 ℃/3hours →-20 ℃/1 hour→ 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 axis

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 100PCS/board number: F6-703
2. inner box 1000PCS/board number: f6-057/058
3. Carton 40.5*40*19.5 4000 PCS/box material number: F6-022

shipping mark requirements

acceptance requirements

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Contact Us


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

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