buzzer/Alarms
Piezoelectric Buzzer for External Driver
Piezoelectric buzzer element with lead for external transistor/square-wave driving, low current, wide voltage for MCU-based designs.
Power Range0.5W-1W
LeadFlying Lead / Pin
TypePiezoelectric Element (External Drive)
ApplicationMCU Alerts, Timers, Meters
Drive SignalSquare Wave / External Oscillator
Drive Voltage3V - 30V
Element Diameter12mm - 50mm
Resonant Frequency (Hz)2000 - 4000Hz
Sound Pressure Level (dB)75 - 95dB
1. External Drive Element: Optimized for driving from a transistor or MCU square-wave output around the resonant frequency.
2. Low Current Draw: Capacitive piezo element consumes minimal current, safe for battery and digital logic circuits.
3. Wide Drive Voltage: Operates from 3V to 30V with high-efficiency acoustic output.
4. Compact & Lightweight: Thin element with flying leads installs flat on PCBs or enclosures.
5. Reliable Performance: Solid-state piezo ceramic ensures long life with no mechanical wear.
Application Scenes
MCU Alerts, Timers, Meters
| Power Range | 0.5W-1W |
|---|---|
| Lead | Flying Lead / Pin |
| Type | Piezoelectric Element (External Drive) |
| Application | MCU Alerts, Timers, Meters |
| Drive Signal | Square Wave / External Oscillator |
| Drive Voltage | 3V - 30V |
| Element Diameter | 12mm - 50mm |
| Resonant Frequency (Hz) | 2000 - 4000Hz |
| Sound Pressure Level (dB) | 75 - 95dB |
Request a Quote
Tell us about your requirements and our sales team will reply within 24 hours.
FAQ
Frequently Asked Questions
Q: What voltage and sound pressure levels are available?
We offer 1.5V, 3V, 5V, 12V, 24V, 110V and 220V versions with sound pressure from 55dB to 110dB. Higher SPL models for sirens and alarms are available.
Q: Can you customize frequency, size or output?
Yes, we support OEM/ODM customization of frequency (500Hz-25kHz), size, SPL, pins and lead length. Send us your drawing or parameters for a tailored solution.
Q: How is the buzzer packaged for transport?
Reel or tray packaging for SMD types, and anti-static bags with cartons for pin/lead types. Custom packaging with your brand is available for bulk orders.
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