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Electro Magnetic Buzzer

5V PPO Black Active Electromagnetic Buzzer 12mm For Computer
Detailed Product Description
Resonant Frequency:2700±300 HzSize:D12mm*H7.5mm
SPL:Min.85dB, At 5VDCVoltage(VDC):5VDC
Colour:BlackHousing Material:PPO

5V PPO Black Active Electromagnetic Buzzer 12mm For Computer
Quick Detail:

  1. Size: D12mm*H7.5mm
  2. Rated Voltage: 5VDC
  3. Operating Voltage: 3-7VDC
  4. Rated Current: Max. 30mA at 5VDC
  5. SPL: Min.85dB at 10cm Input 5VDC
  6. Resonant Frequency: 2700+/-300Hz Continuous

Specification:
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

5 VDC

2

Operating Voltage

3-7VDC

3

Rated Current

Max.30mA, at 5VDC

4

Sound Output at 10cm

Min.85dB, at 5VDC

5

Resonant Frequency

2700±300 Hz

6

Tone

Continuous

7

Operating Temperature

-20 - +70℃

8

Storage Temperature

-30 - +80℃

9

RoHS

Yes

10

Weight

Approx 1.5 g

2. Dimensions Unit: mm


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

*Housing Material: Black PPO


3. 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
(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)High Temperature Test
The part shall be capable of with standing a storage temperature of +80℃ for 96 hours.
(3)Low Temperature Test
The part shall be capable of with standing a storage temperature of ­-30℃ for 96 hours.
(4)Humidity Test

Temperature:+40℃±3℃ Relative Humidity:90%~95% Duration: 48 hours
and expose to room temperature for 6 hours
(5)Temperature Shock Test
Temperature:70℃ /1hour→ 25℃/3hours→-30℃/1hour→ 25℃/3hours (1cycle)
Total cycle: 10 cycles
(6)Drop Test
Standard Packaging From 75mm(Drop on hard wood or board of 5cm thick,
three sides, six plain.)
(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

4. Electrical And Acoustical Measuring Condition
Recommended Setting


Recommended Test Circuit


Packing