5V PPO Black Active Electromagnetic Buzzer 12mm For Computer, China 5V PPO Black Active Electromagnetic Buzzer 12mm For Computer Supplier

5V PPO Black Active Electromagnetic Buzzer 12mm For Computer - BMC1275-0527

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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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CHANGZHOU FHD ELECTRONICS COMPANY

Address: Heping Industrial Park ,DongQing Town, Changzhou, Jiangsu, China, 213000
Tel: 86-0519-83822009
The FHD Company has been producing cutting edge acoustic components for 18 years now. We have focused our research and development efforts on our main line of products which are: Electromagnetic and Piezo Transducers/Buzzers Mylar Speakers and Reciver Loud Speakers and Alarm parts We employ over 500 people in our factory and 20 full time engineers in our R&D division. None of them are new comers to the field, and some of them have 10 years or more of experience in acoustic technology. We already have some 5,000 square meters at our facility devoted to production, and so our monthly production capacity is upwards of 2,0000,000 finished pieces. Most of what we produced in 2012 was exported to the high quality markets in Europe and the United States. One of the reasons we have been so successful competing in this field is that all of our test and production equipment is the finest that money can buy from Japan, the United States, and Europe. Our products are designed for most common audio applications such as telephones pagers modems multi-media computer accessories radio/cassette recorders voice-recording toys alarm systems Much of our production is based on custom orders. We build to our customer鈥檚 exact specifications. Our ability to meet our customer鈥檚 needs in both off the shelf production as well as contract production is second to none. We welcome your inquiries. We will do everything in our power to meet or exceed your expectations.