Products Details
| Rated Voltage | DC 3-24V |
| Mounting Type | buzzer |
| Size / Dimension | 30x15mm |
| Description | Piezo Buzzer Piezoelectric Continuous Sound |
| Application | Piezo Buzzer Piezoelectric Continuous Sound |
| Series | Piezo Buzzer Piezoelectric Continuous Sound |
| Product name | Piezo Buzzer |
| Type | Buzzer |
| Model | SFM-27 |
| Application | Electrical Appliance |
| Weight | 4g |
| Color | White |
| Voltage Range | DC 3-24V |
| Size | 30x15mm |

FAQ
1. What is a 3-24V continuous active piezo buzzer?
A 3-24V continuous active piezo buzzer is an audible alarm component that sounds when powered directly, making it ideal for simple warning and notification applications.
2. How does an active piezo buzzer work?
An active piezo buzzer includes an internal oscillator, so it produces sound as soon as voltage is applied without requiring an external drive circuit.
3. What voltage range does this piezo buzzer support?
This 3-24V continuous active piezo buzzer supports a wide operating voltage range for use in many low-voltage and industrial electronic systems.
4. Is this buzzer suitable for alarm systems?
Yes, the active piezo buzzer is widely used in alarm systems, security devices, and fault indication panels for clear audible alerts.
5. Can the piezo buzzer be used in OEM products?
Yes, this piezo buzzer is suitable for OEM products, embedded devices, control panels, and custom electronic assemblies.
6. Does an active buzzer need a separate oscillator?
No, an active buzzer does not need a separate oscillator because it generates sound internally when connected to power.
7. What are common applications of a continuous active piezo buzzer?
Common applications include alarm buzzer systems, appliance alerts, industrial controls, automation equipment, and status notification devices.
8. Is the 3-24V piezo buzzer easy to install?
Yes, the 3-24V piezo buzzer is easy to install, making it a practical choice for fast prototyping and mass production.
9. What are the advantages of a piezo buzzer?
A piezo buzzer offers low power consumption, compact size, reliable sound output, and long service life for electronic signaling.
10. Is this buzzer good for status indication?
Yes, this continuous active piezo buzzer is excellent for status indication, error alerts, and real-time audible feedback in electronic systems.







