Products
Buzzer BP1248
Buzzer BP1248
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
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 | 4000±400Hz |
2 |
Operating Voltage | 1~25 Vp-p |
3 |
Rated Current | Max.3mA , At 4KHz 50% duty Square Wave 5Vp-p |
4 |
Sound Output at 10cm |
Min. 75dB, At 4KHz 50% duty Square Wave 5Vp-p |
5 |
Capacitance |
12000±30% pF At 120Hz |
6 |
Operating Temperature |
-20℃~+70℃ |
7 |
Store Temperature | -30℃~+80℃ |
8 |
Net Weight | Approx 1.0g |
9 |
RoHS |
Yes |
2. Dimensions Unit: mm
*Unit: mm; Tolerance: ±0.5mm Except Specified
*Housing Material: Black PPO
3. Electrical And Acoustical Measuring Condition |
|
Recommended Setting |
4.Frequency Response
5Vp-p 50% duty Square wave,10cm
6.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℃. 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 axis
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.Wave Curve
7.Wave Curve
packing requirements |
PCS 7.1. foam board 200/board foam board 18*18cm thick 10mm |
|
shipping mark requirements |

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Fax: 0519-88739926
Mailbox: xrm@czfhd.com
Address: Zhenglu Town, Tianning District, Changzhou City, Jiangsu Province
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