Buzzer BP2270D-Changzhou FHD electronics Co.,Ltd

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Buzzer BP2270D

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.

Category： Piezoelectric Passive Buzzer

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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	2000 ±500Hz
2	Operating Voltage	1 ~30 V p -p
3	Rated Current	Max. 3 mA , A t 2 K Hz 50% duty Square Wave 3 V p -p
4	Sound Output at 10cm	Min. 7 0 dB , A t 2 K Hz 50% duty Square Wave 3 V p -p
5	Capacitance	25000 ±30% pF At 1KHz
6	Operating Temperature	-30 ℃~ +70 ℃
7	Store Temperature	-40 ℃~ +80 ℃
8	Net Weight	Approx 2.5g
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 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
5.1 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.
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 -40℃ for 96 hours.
5.4Humidity Test
Temperature:+40℃±3℃ Relative Humidity:90%~95% Duration: 48 hours
and expose to room temperature for 6 hours
5.5Temperature Shock Test
Temperature: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 5cm thick,
three sides, six plain.)
5.7Vibration 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