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QSI-4840 High Decibel Buzzer

QSI-4840 High Decibel Buzzer

http://www.abdullah-electronics.com/web/image/product.template/34/image_1920?unique=e6231d7
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The QSI-4840 High Decibel Buzzer is a powerful and compact sound module that emits a loud, continuous tone when powered. It’s ideal for alarms, notifications, and warning systems in both DIY and industrial applications.

6,250 IQD 6250.0 IQD 6,250 IQD

6,250 IQD

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Features Applications

Features

  • Loud output up to 85–95dB
  • Continuous tone when powered
  • Works directly with DC voltage
  • Easy integration into circuits
  • Durable and compact design

Applications

  • Alarm systems and security devices
  • Timer alerts and notification signals
  • Industrial equipment status indication
  • Smart doorbells or motion alerts
  • DIY electronics requiring sound output
General Environmental Physical 

General 

  • Model: QSI-4840
  • Type: Active buzzer (self-driving)
  • Operating Voltage: 3V – 24V DC (typically 5V or 12V)
  • Sound Output: 85–95dB @ 10cm
  • Tone Type: Continuous
  • Current Consumption: ~20–35mA
  • Resonant Frequency: ~2.7kHz

Environmental

  • Operating Temperature: -20°C to +70°C
  • Humidity: ≤85% RH (non-condensing)

Physical 

  • Dimensions: ~Φ12mm × 9.5mm (varies by version)
  • Mounting: Through-hole pins
  • Weight: ~3g
  • Polarity: Marked (+ / –)

No examples available yet. Stay tuned for updates!