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INDEXA 33168 Piezo Buzzer 90 dB(A) PCB Mount, 3-28V DC, 3.5kHz, Black

INDEXA 33168 Piezo Buzzer 90 dB(A) PCB Mount, 3-28V DC, 3.5kHz, Black
INDEXA 33168 Piezo Buzzer 90 dB(A) PCB Mount, 3-28V DC, 3.5kHz, Black
R406
Mount this compact piezo buzzer on a PCB to add a clear 90 dB(A) audible alert in industrial controls, alarm systems, or test equipment. Its internal oscillator produces a continuous 3.5 kHz tone from a 3-28V DC supply, drawing only 15 mA.Key specificationsSound pressure level: 90 dB(A) at 30 cmOper... Read More
Stock 2 Code 3570011 Brand INDEXA Model 33168 Warranty 2 Years

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Mount this compact piezo buzzer on a PCB to add a clear 90 dB(A) audible alert in industrial controls, alarm systems, or test equipment. Its internal oscillator produces a continuous 3.5 kHz tone from a 3-28V DC supply, drawing only 15 mA.

Key specifications

  • Sound pressure level: 90 dB(A) at 30 cm
  • Operating voltage: 3-28 V DC
  • Current consumption: 15 mA max
  • Resonant frequency: 3.5 kHz
  • Tone type: continuous
  • Drive type: internal (self-oscillating)
  • Mounting: PCB through-hole, pin spacing 15 mm
  • Diameter: 22 mm, height: 10 mm
  • Operating temperature: -20 °C to 60 °C
  • Housing colour: black
  • Number of pins: 2

Why choose it

The integrated drive circuit simplifies design—no external oscillator needed. Its small footprint and standard pin spacing make it easy to place on dense boards.

Ideal use cases

  • Industrial machine status indicators
  • Security and fire alarm sounders
  • Portable test and measurement devices
  • Home appliance alerts

Good to know

Designed for through-hole soldering. Ensure the supply voltage stays within 3-28 V DC to maintain rated sound output.

Specifications
Brand
INDEXA
Category
Piezo Buzzer
EAN
4015162331684
Maximum operating temperature
60 °C
Model
33168
MPN
33168
Operating temperature (T-T)
-20 - 60 °C
Weight
0.01 kg
Price history over the last 6 months
INDEXA 33168 Piezo Buzzer 90 dB(A) PCB Mount, 3-28V DC, 3.5kHz, Black
Current
R406
Lowest
R397
Highest
R406
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