Buzzer BP2270C

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Buzzer BP2270C

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.


Resonant Frequency

4000 Hz


Operating Voltage

1 ~25 V p -p


Rated Current

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


Sound Output at 10cm

Min. 80 dB , A t 4K Hz 50% duty Square Wave 5 V p -p



25000 ±30% pF At 1KHz


Operating Temperature

-20 ℃~ +70


Store Temperature

-30 ℃~ +80


Net Weight

Approx 2.0g




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

5Vp-p 50% duty Square wave10cm

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
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.
5.2High Temperature Test
The part shall be capable of with standing a storage temperature of +80℃ for 96 hours.
5. 3Low Temperature Test
The part shall be capable of with standing a storage temperature of -30 ℃ for 96 hours.
5.4Humidity Test
Temperature:+40 ℃ 3 ℃ Relative Humidity:90% ~ 95% Duration: 48 hours
and expend to room temperature for 6 hours
5.5Temperature Shock
Temperature: Test: 60 ℃/1hour → 25 ℃/3hours →-20 ℃/1hour → 25 ℃/3hours (1cycle)
Total cycle: 10 cycles
5.6Drop Test
Standard Packaging From 75cm(Drop on hard wood or board of brthick,
cycle Amplitude

x plain): 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.

6.Packing3. outer box 2400 PCS/box material number: F6-X-012

packing requirements

1. pearl foam board 60PCS/sheet number: f6-G-027
2. inner box 600 PCS/box material number: F6-H-009/ F6-H-010

shipping requirements

inner box:

according to customer order

outer box:

by customer order

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