Passive Buzzer 5V 42Ω 2048Hz 12×8.5mm
The Passive Buzzer 5V 42Ω 2048Hz 12×8.5mm is a compact electromagnetic sound component designed for applications that require programmable tone generation. Unlike active buzzers, this device does not contain an internal oscillator and must be driven by an external signal such as a PWM waveform from a microcontroller.
Features:
- Passive buzzer requiring external drive signal.
- Operates at 5V nominal voltage.
- Coil resistance approximately 42Ω.
- Resonant frequency around 2048Hz.
- Supports PWM and tone signal input.
- Compact size for space-constrained designs.
Specifications:
| Parameter | Value |
|---|---|
| Type | Passive Electromagnetic Buzzer |
| Rated Voltage | 5V |
| Operating Voltage | 3V to5V |
| Rated Current | ≤30mA |
| Coil Resistance | 42Ω |
| Resonant Frequency | 2048Hz |
| Sound Output | ≥85dB |
| Mounting Type | Through Hole |
| Dimensions | 12mm × 8.5mm |
| Pin Pitch | 6mm |
Applications:
- Microcontroller alert systems (Arduino, embedded systems).
- Alarm and notification circuits.
- DIY electronics projects.
- Sound indication in control panels.
- Educational electronics experiments.
- Timer and warning systems.
Package Include:
1x Passive-Buzzer 5V 42Ω 2048Hz 12×8.5mm


