Buzzer BP1790-Changzhou FHD electronics Co.,Ltd

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Buzzer BP1790

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.

1. Technical specifications Product test conditions: temperature: 5~35 ℃, humidity: 45% ~ 85% R.H., air pressure: 860 ~ 1060hPa. Standard test conditions: temperature: 25±3 ° C., humidity: 60±10%R.H. Air pressure: 860-1060hPa. 1 resonant frequency (Hz)2000±400 Hz2 working voltage (Vp-p)1~25Vp-p3 rated current (mA)Max.5mA,At2KHz50 dutySquareWave3Vp-p4 output sound pressure (dB)Min

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±400Hz
2	Operating Voltage	1~25 Vp-p
3	Rated Current	Max.5mA , At 2KHz 50% duty Square Wave 3Vp-p
4	Sound Output at 10cm	Min. 70dB, At 2KHz 50% duty Square Wave 3Vp-p
5	Capacitance	25000±30% pF At 120Hz
6	Operating Temperature	-20℃~+70℃
7	Store Temperature	-30℃~+80℃
8	Net Weight	Approx 1.5g
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 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 -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 +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:+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

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

packing requirements

1. foam board 100PCS/board; foam sheet material number: F6-703
2. Inner box 1000 PCS/box upper box material number: F6-057 lower box material number: F6--058
3. Outer box 4000 PCS/box material number: F6-022 outer box size 405*40 * 19.5cm

shipping mark requirements

inner box:

according to customer order

carton:

according to customer order