Piezo Buzzer 9*5.5mm
R4,55
Piezo Buzzer 9*5.5mm suitable for DIY electronics, robotics, automation and prototyping projects.
100 in stock
Description
Piezo Buzzer 9*5.5mm
Enhance your project with this high-quality Piezo Buzzer 9*5.5mm. Suitable for makers, hobbyists, students, engineers and repair technicians. Designed for reliable performance in electronics, Arduino, IoT, automation and robotics applications. Easy to integrate into new or existing projects and ideal for educational, commercial or personal use.
Physical Dimensions
- Diameter: 9mm
- Height: 5.5mm
- Pin Pitch: ~4mm (center-to-center)
Electrical & Acoustic Characteristics
- Operating Voltage: Typical 3-5 V DC
- Current Draw: Around 20—90mA depending on model; typical electromagnetic needs ~80mA @ rated voltage
- Resonant Frequency: 2.7—2.8kHz (2,500—2,800Hz)
- Sound Pressure Level (SPL): 80—85dB @ 10cm
Environmental Specs
- Operating Temperature: —20°C to +70°C (common for small electromechanical buzzers)
- Storage Temperature: Similar typical range (—20→+70°C)
Examples & Available Part Models
- AATC AC903QLF (EM, 3VAC, 2.731kHz, 80mA, 82dB) — Popular 9×5.5mm electromagnetic buzzer
- AATC AX905P3 (3VDC, 2.7kHz, 80dB @ 10cm, ~30mA) — Another common through-hole version
- FBPT9055 Piezo Transducer (passive, 5V, 2mA, 80dB, ~4kHz) — Higher frequency resonator alternative
Summary Table
| Parameter | Value |
|---|---|
| Diameter × Height | 9mm × 5.5mm |
| Pin Pitch | ~4mm |
| Operating Voltage | 3—5V DC (some 4—7V/12V versions) |
| Current Draw | 20—90mA (typically 30—80mA) |
| Resonant Frequency | ~2.7kHz (2.5—2.8kHz) |
| Sound Level (SPL) | 80—85dB @10cm |
| Operating Temp Range | —20°C to +70°C |
| Mount Type | Through-hole pins |
Applications
This compact piezo buzzer is ideal for:
- Audible alerts in electronics (Arduino, Raspberry Pi, microcontrollers)
- Alarm panels, timers, industrial indicators
- Portable devices and toys requiring small-footprint sound output
Additional information
| Weight | 10 g |
|---|
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