The 12V Active Electromagnetic Buzzer is a compact and reliable audio indicator designed for alarm systems, security devices, industrial control panels, automation projects, and DIY electronics. Featuring a built‑in oscillator circuit, this active buzzer generates sound automatically when a 12V DC supply is applied, eliminating the need for an external signal source.

Its loud audible output, low power consumption, and easy installation make it an ideal choice for warning alerts, fault indication systems, and embedded electronics applications.

Specifications

• Type: Active Electromagnetic Buzzer
• Operating Voltage: 12V DC
• Sound Type: Continuous Beep
• Drive Circuit: Built‑in Oscillator
• Current Consumption: Low Power
• Mounting Type: PCB / Panel Mount (depending on model)
• Body Material: ABS Plastic Housing
• Polarity: Positive (+) and Negative (−)
• Applications: Alarm systems, security devices, automotive electronics, automation projects

Features

• Operates directly on 12V DC
• Built‑in oscillator circuit
• No external signal generator required
• Loud and clear sound output
• Compact and lightweight design
• Reliable performance and long service life
• Easy integration into electronic circuits
• Suitable for warning and alert applications

Applications

• Burglar Alarm Systems
• Security Devices
• Industrial Control Panels
• Home Automation Projects
• Automotive Alert Systems
• Robotics Projects
• Electronic Equipment Warning Indicators
• DIY Electronics Projects

Package Includes

• 1 × 12V Active Electromagnetic Buzzer