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5V PPO Black Active Electromagnetic Buzzer 12mm For Computer

BMC1275-0527

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Description

5V PPO Black Active Electromagnetic ?Buzzer 12mm For Computer
Quick Detail:
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# # Size: D12mm*H7.5mm
# Rated Voltage: 5VDC
# Operating Voltage: 3-7VDC
# Rated Current: Max. 30mA at 5VDC
# SPL: Min.85dB at 10cm Input 5VDC
# 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.

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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 |
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??2. Dimensions?? Unit: mm???
*Unit: mm; Tolerance: ±0.5mm Except Specified
*Housing Material: Black PPO
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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
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4.? Electrical And Acoustical Measuring Condition
Recommended Setting????????????????????????????????????????????????????????????????????????????

Recommended Test Circuit

Packing

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Application:
CHANGZHOU FHD ELECTRONICS CO., LTD is a professional manufacturer in the field of? micro acoustic products ,our? is widely used in household electrical appliances; mobile phones; computers; medical equipment; alarm system; pos machine ；access control system; toy; automobile; instrument and meter; electrical equipment; we can produce all kinds of? buzzers as long as you have the following details; welcome to consultation discussion.

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