Products Details
| Type | Buzzer |
| Rated Voltage | standard |
| Power - Max | standard |
| Operating Temperature | standard |
| Operating Mode | standard |
| Technology | Magnetic |
| Efficiency - Type | standard |
| Output Type | standard |
| Input Type | DC |
| Voltage - Input (Max) | standard |
| Mounting Type | standard |
| Termination | standard |
| Duration | standard |
| Material | Plastic |
| Color | Black |
| Capacitance @ Frequency | standard |
| Mfg. Date Code | New |
| Packaging | standard |
| Voltage - Rated | standard |
| Voltage Range | 2-4V |
| Frequency | 40000 |
| Current - Supply | standard |
| Size / Dimension | standard |
| Height - Seated (Max) | standard |
| Impedance | standard |
| Frequency Range | standard |
| Height (Max) | standard |
| Frequency - Self Resonant | standard |
| Power - Rated | standard |
| Cross Reference | standard |
| Product name | Passive buzzer |
| Condition | 100%new |
| Rated Current | Max120mA at 2000Hz 50% duty Square Wave 3.0Vo-p |
| working voltage | 2-4V |
| Operating Temperature | -20C~+70C |
| Coil Resistance | 17+_3Ω |
| Resonant Frequency | 4000Hz |
| MOQ | 100PCS |
| Shipping | DHL\UPS\Fedex\TNT\EMS\ePacket |
| Payment | Paypal\TT\Western Union\Trade Assurance |

FAQ
1. What is a 3-12V passive piezo patch buzzer?
A 3-12V passive piezo patch buzzer is a low-voltage piezo buzzer that requires an external drive signal to produce sound, making it ideal for flexible electronic sound alerts.
2. How does a passive piezo buzzer work?
A passive piezo buzzer works by using an external oscillator or PWM signal to vibrate the piezo element and create audible tones.
3. What voltage does this passive piezo buzzer support?
This passive piezo buzzer supports a 3-12V operating range, making it suitable for many low-voltage electronic applications.
4. Is this a powered buzzer or a passive buzzer?
This is a passive buzzer, which means it needs a drive signal from the circuit to generate sound rather than producing a fixed tone on its own.
5. What applications are suitable for a piezo patch buzzer?
A piezo patch buzzer is suitable for alarms, warning systems, appliance beeps, status indicators, and embedded sound notifications.
6. Why choose a patch-style piezo buzzer?
A patch-style piezo buzzer offers a compact design for OEM electronics, control panels, and space-limited device assemblies.
7. Does a passive piezo buzzer consume low power?
Yes, a passive piezo buzzer is a low power sound component that helps improve energy efficiency in electronic systems.
8. Can this buzzer be used in custom PCB designs?
Yes, the 3-12V passive piezo patch buzzer is well suited for custom PCB designs, prototypes, and mass-produced electronic products.
9. What drive signal is needed for a passive piezo buzzer?
A passive piezo buzzer typically needs an AC square wave, PWM signal, or oscillator output from the host circuit.
10. Is a piezo patch buzzer good for industrial equipment?
Yes, a piezo patch buzzer is a reliable option for industrial equipment, machine alerts, and audible status indication.







