Products Details
| Type | Buzzer |
| Rated Voltage | 3V / 5V / 12V |
| Power - Max | ≤20mW |
| Operating Temperature | -20℃~+70℃ |
| Operating Mode | Continuous Sound |
| Technology | Electromagnetic Active Buzzer |
| Efficiency - Type | Active Electromagnetic |
| Output Type | 85dB~90dB(10cm) |
| Input Type | DC |
| Voltage - Input (Max) | 15V |
| Mounting Type | Through Hole / SMD |
| Termination | Pin / Pad |
| Duration | Continuous Operation |
| Material | ABS Plastic + Metal Housing |
| Color | Black |
| Packaging | Bag / Tube |
| Voltage - Rated | 3V / 5V / 12V |
| Voltage Range | 2.5V~15V |
| Frequency | 2300±300Hz / 4000±500Hz |
| Current - Supply | ≤15mA(3V) / ≤20mA(5V) / ≤25mA(12V) |
| Size / Dimension | 12*5.5MM |
| Height - Seated (Max) | 5.5mm |
| Impedance | 16Ω~42Ω |
| Frequency Range | 2000~5000Hz |
| Height (Max) | 5.5mm |
| Frequency - Self Resonant | 2300Hz / 4000Hz |
| Power - Rated | ≤15mW |
| Cross Reference | 12055 |
FAQ
1. What is a 12x5.5mm 4kHz passive piezo buzzer?
A 12x5.5mm 4kHz passive piezo buzzer is a compact passive piezo buzzer designed to produce audible alerts when driven by an external circuit at a 4kHz resonant frequency.
2. How does a passive piezo buzzer work?
A passive piezo buzzer works with an external drive signal, allowing the system to control the sound output, tone, and alert pattern.
3. What applications are suitable for this piezo buzzer?
This 12x5.5mm passive piezo buzzer is suitable for alarms, industrial equipment, appliances, meters, control panels, and embedded electronics.
4. Is this buzzer good for low-power devices?
Yes, the passive piezo buzzer is a low-power alert component commonly used in battery-powered and energy-efficient devices.
5. What does the 4kHz frequency mean?
The 4kHz frequency refers to the resonant sound point of the passive piezo buzzer, helping deliver clear audible notification signals.
6. Can this buzzer be used in OEM products?
Yes, the 12x5.5mm passive piezo buzzer is well suited for OEM product design, custom alarm systems, and high-volume manufacturing.
7. What are the benefits of a compact buzzer size?
The compact 12x5.5mm size saves PCB and enclosure space while still providing reliable sound output for alert applications.
8. Does a passive piezo buzzer require a driver circuit?
Yes, a passive piezo buzzer requires an external driver or oscillator circuit to generate the sound signal.
9. Can this piezo buzzer be used for status indication?
Yes, this passive piezo buzzer is ideal for status indication, warning tones, and operational alerts in electronic devices.
10. Why choose a passive piezo buzzer over an active buzzer?
A passive piezo buzzer offers more flexibility in tone control, frequency selection, and system integration for custom audio alert designs.
