PCB Active Piezo Buzzer

RM2.00

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SKU: MYP-CHN-085 Category:
Description

Active buzzers are the most user-friendly. They are usually available in voltages ranging from 1.5V to 24V. Simply connect a DC voltage to the pins and it will emit a sound. There is polarity in active buzzers. The polarity is the same as that of an LED or a capacitor: the longer pin is positive. One disadvantage of active buzzers is that their frequency is set and cannot be altered.

Let’s cut into an active buzzer to see what lurks beneath that neat plastic exterior: The gold disc on the right is a piezoelectric disk that vibrates when a voltage is applied. The three metal fingers on the PCB make contact with the disc, and a little transistor amplifier is on the printed circuit board.

DIMENSION

Mini Piezo Buzzer

FEATURES

  • Use high-performance piezoelectric elements to meet loud sound volume and wide frequency range needs.
  • High quality is achieved by integrated in-house production, from piezoceramic materials to buzzers.
  • Clear, pleasant electronic tone.
  • Reliable, effective operation in a wide variety of equipment and ambient conditions.
  • A wide, convenient selection from elements to complete buzzer products.

SPECIFICATION

  • Operation Voltage: 5V – 9VDC
  • Current: <25mA
  • SPL: 85dBA/10cm
  • Frequency: 2,300Hz
  • Color: Black
  • Operating Temperature: – 20° to +65°C
  • Weight: 2.4 grams
  • Pin Spacing: 7.6mm

DOCUMENT

SHIPPING LIST

  • 1 x PCB Active Piezo Buzzer
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