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CHANGZHOU FHD ELECTRONICS CO.,LTD
CHANGZHOU FHD ELECTRONICS CO.,LTD Electromagnetic And Piezo Transducers/Buzzers
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Micro 9mm 2700HZ Electronic Magnetic Transducer 3 Volt 85 dB

CHANGZHOU FHD ELECTRONICS CO.,LTD
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Micro 9mm 2700HZ Electronic Magnetic Transducer 3 Volt 85 dB

Brand Name : FHD
Model Number : BM9045B-0327-16 Electronic Magnetic Transducer
Certification : ISO9001 TS16949
Place of Origin : Changzhou China
MOQ : Negotiable
Price : Negotiable
Payment Terms : T/T , L/C, Western Union
Supply Ability : 1000000 Pieces per Month
Delivery Time : To be advised
Packaging Details : 100PCS/Tray 5000PCS/Carton
Rated Voltage : 3 Vo-p
Operating Voltage : 2~4 Vo-p
Coil Resistance : 16±3Ω
Resonant Frequency : 2700Hz
Operating Temperature : -20℃~+70℃
Store Temperature : -30℃~+80℃
Net Weight of Electronic Magnetic Transducer : Approx 0.8g
RoHS : Yes
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Micro 9mm 2700HZ Electronic Magnetic Transducer 3 Volt 85 dB


Electronic Magnetic Transducer Quick Detail:

  1. Size: D9.0mm*H4.5mm
  2. SPL: Min.85dB at 10cm @ 2.7KHz/3Vo-p 1/2 Duty Square Wave
  3. Coil Resistance: 16+/-3 ohm
  4. Operating Voltage: 2-4Vo-p
  5. Rated Current: Max.70mA @ 2.7KHz/3Vo-p 1/2 Duty Square Wave

Electronic Magnetic Transducer Description:

  1. buzzer
  2. Electro-Magnetic Transduer
  3. 3V Buzzer
  4. 9mm Electro-Magnetic Buzzer
  5. Small Buzzer

Electronic Magnetic Transducer Specification:

  1. Electronic Magnetic Transducer Technical Parameter

Electronic Magnetic Transducer 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.

1Rated Voltage3 Vo-p
2Operating Voltage2~4 Vo-p
3Rated Current of Electronic Magnetic TransducerMax.80mA ,at 2700Hz 50% duty Square Wave 3Vo-p
4Sound Output at 10cmMin. 85dB,at 2700Hz 50% duty Square Wave 3Vo-p
5Coil Resistance16±3Ω
6Resonant Frequency2700Hz
7Operating Temperature-20℃~+70℃
8Store Temperature-30℃~+80℃
9Net Weight of Electronic Magnetic TransducerApprox 0.8g
10RoHS of Electronic Magnetic TransducerYes

2.Electronic Magnetic Transducer Dimensions

Unit: mm

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

*Housing Material: Black Noryl

*Terminal plate: Tin Plating Cu

3. Electronic Magnetic Transducer Electrical And Acoustical Measuring Condition

Electronic Magnetic Transducer Recommended Driving Circuit

Resonant frequency, 1/2 duty cycle. Square wave.

Signal amplitude should be large enough tosaturate

the transistor.

Electronic Magnetic Transducer Recommended Setting


4.Electronic Magnetic Transducer Frequency Response

3Vo-p 50% duty Square wave,10cm


5.Electronic Magnetic Transducer 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


Ordinary Temperature Life Test

The part shall be subjected to 96 hours at 25±10℃. Input rated voltageResonant frequency, 1/2 duty Square wave.


High Temperature Test

The part shall be capable of with standing a storage temperature of +80℃ for 96 hours.


Low Temperature Test

The part shall be capable of with standing a storage temperature of ­-30℃ for 96 hours.


Humidity Test

Temperature:+40℃±3℃ Relative Humidity:90%~95% Duration: 48 hoursand expose to room temperature for 6 hours


Temperature Shock Test

Temperature:70℃ /1hour→ 25℃/3hours→-30℃/1hour→ 25℃/3hours (1cycle)Total cycle: 10 cycles


Drop Test

Standard Packaging From 75mm(Drop on hard wood or board of 5cm thick,

three sides, six plain.)


Vibration Test

Vibration:1000cycles /min. Amplitude:1.5mm, Duration: 1 hour in each 3 axes


Electronic Magnetic Transducer 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.


Electronic Magnetic Transducer Application:

CHANGZHOU FHD ELECTRONICS CO., LTD is a professional manufacturer in the field of micro acoustic products , our products 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 piezoelectric buzzers and magnetic buzzers as long as you have the following details; welcome to consultationdiscussion.




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