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Products > BM1210-0520-42
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BM1210-0520-42

1. SPECIFICATION

Electro-Magnetic Buzzer

1

Dimension

Φ12.0×H10.0

2

Net Weight

Approx 1.5g

3

Rated Voltage

5Vo-p

4

Operating Voltage

37 Vo-p

5

Rated Current

Max.70mA ,at 2048Hz 50% duty Square Wave 5Vo-p

6

Sound Output

Min. 85dB,at 2048Hz 50% duty Square Wave 5Vo-p

7

Coil Resistance

42±

8

Resonant Frequency

2048Hz

9

Operating Temperature

-20℃~+70

10

Store Temperature

-30℃~+80

11

Pin

L1=4.0±0.5,Φ=0.6±0.1mm

Dimensions

Unit: mm

1(3).png

*Unit: mm; Tolerance: ±0.5mm Except Specified

*Housing Material: Black PBT

 

2. 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

2.1 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.

2.2 High Temperature Test

The part shall be capable of with standing a storage temperature of +85 for 96 hours.

2.3 Low Temperature Test 

The part shall be capable of with standing a storage temperature of -40 for 96 hours.

2.4 Humidity Test

Temperature:+40℃±3  Relative Humidity:90%95% Duration: 48 hours

and expose to room temperature for 6 hours

2.5 Temperature Shock Test

Temperature:70/1hour25/3hours-30/1hour25/3hours (1cycle)

Total cycle: 10 cycles

2.6 Drop Test

Standard Packaging From 1.2m(Drop on hard wood or board of 5cm thick,

three sides, six plain.)

2.7 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.

3. Electrical And Acoustical Measuring Condition

3.1 Recommended Driving Circuit

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

2(3).png 

3.2 Recommended Setting

 

3(3).png 

 

 

 

4. Frequency Response

4(3).png

5Vo-p 50% duty Square wave,10cm

5. Recommended the wave soldering temperature

5(4).png

 

 

 

 

6. Dimension Of Carrier Tape

7(1).png


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