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Magnetic Buzzer Structure-How Magnetic Buzzer Working ?

Magnetic Buzzer Structure


This illustration highlights the structure of a typical magnetic buzzer. Like piezo technology, magnetic buzzers are available in transducer and indicator configurations. In a magnetic buzzer, the transistor acts as the driving circuit. Indicators include the transistor, creating a tone when a dc voltage is applied. Transducers lack this transistor, requiring a square wave signal to operate properly.



No.

Name of Parts

1

Casing

2

Vibrating Weight

3

Cavity

4

Vibrating Disk

5

Magnet

6

Pole

7

Coil

8

Yoke Plate

9

PCB

10

Transistor

11

Epoxy

12

Pin


 

Internal Driven Magnetic Buzzer (With oscillator circuit) 

Work  with Rated D/C Voltage , For all kinds of instruments and home appliance alarms,

and has an advantage of stability .


External  Driven Magnetic Transducer Buzzer (Without oscillator circuit)
Worked with 1.5~12V p-p 2400Hz ,Output 85dB at 10cm.

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