Buzzer BM1290-0520-42-Changzhou FHD electronics Co.,Ltd

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Buzzer BM1290-0520-42

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： Electromagnetic 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	Rated Voltage	5Vo-p
2	Operating Voltage	3-8Vo-p
3	Rated Current	Max.50mA ,at 2048Hz 50% duty Square Wave 5Vo-p
4	Sound Output at 10cm	Min. 85dB,at 2048Hz 50% duty Square Wave 5Vo-p
5	Coil Resistance	42±5Ω
6	Resonant Frequency	2048Hz
7	Operating Temperature	-20℃~+70℃
8	Store Temperature	-30℃~+80℃
9	Net Weight	Approx 1.6g
10	RoHS	Yes

2. Dimensions Unit: mm

*Unit: mm; Tolerance: ±0.5mm Except Specified
*Housing Material: Black PBT

3. Electrical And Acoustical Measuring Condition

Recommended Driving Circuit

Resonant frequency, 1/2 duty cycle. Square wave.Signal amplitude should be large enough tosaturate the transistor.

Recommended Setting

4.Frequency Response

5Vo-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 -10 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→-30℃/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.

7. Recommended the wave soldering temperature

6.Packing

packing requirements

1.12 foam box square bee, A pile of 1000pcs; 6 piles/box; 6000 pcs/box foam box material number: F6-713
2. outer box material number: F6-003; Outer box size 50*41 * 25cm

shipping mark requirements

inner box:

according to customer order

outer box:

According to customer order

ELECTROMAGNETIC BUZZER
QTY: 6000PCS
VOLUME: 50 × 41 × 25CM