12V Electromagnetic Active Buzzer - Pack of 10

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Availability: Out of stock

Suitable for computers, printers, copiers, alarms, electronic toys, automotive electronic equipment, telephones.
Made of oscillator, the electromagnetic coils, magnets, diaphragm and housing and other components.
After powered on, the audio signal generated by the oscillator current through the solenoid coil, the electromagnetic coil generates a magnetic field. Entangled in the diaphragm and the magnet solenoid. Has an internal oscillating source, so it will be called as soon as it is powered on.

Voltage :3V / 5v /12V
Current : < 25mA
Frequency: 1800- 2800

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