27mm Piezoelectric Ceramic Brass Disc (XHXDZ-27MM)

Product Overview – 27mm Piezoelectric Ceramic Brass Disc (XHXDZ-27MM)

The 27mm Piezoelectric Ceramic Brass Disc (model XHXDZ-27MM) is a compact, reliable piezoelectric transducer designed for buzzers, sensors, signal generators and DIY electronics. A piezoelectric ceramic layer is bonded to a brass plate so that when an AC or pulsed DC voltage is applied the assembly vibrates and produces sound. Its simple, efficient conversion of electrical energy to mechanical vibration makes it suitable for both consumer electronics and experimental projects.

How the Piezoelectric Disc Works

• Piezoelectric ceramic responds to alternating or pulsed electric fields by changing shape slightly.
• The bonded brass plate amplifies and radiates the vibration as sound waves.
• Drive with AC or pulsed DC at the target frequency to generate audible tones or ultrasonic pulses.

Key Features

• Disc diameter: 27mm
• Material: Piezoelectric ceramic bonded to brass
• Frequency response: Capable of producing audible and ultrasonic sound depending on drive frequency
• Thickness: Approx. 0.5mm to 0.6mm (ceramic layer and brass backing combined vary by batch)
• Lightweight and durable construction for long-lasting performance
• Low current draw makes it ideal for battery-powered devices and microcontroller projects
• Compatible with Arduino and other microcontroller-based sound modules when driven by a suitable driver circuit

Specifications

• Model: XHXDZ-27MM
• Type: Piezoelectric ceramic disc transducer
• Diameter: 27mm
• Thickness: Approx. 0.5mm – 0.6mm
• Material: Brass base with piezoelectric ceramic layer
• Typical use: Buzzer element / sound transducer

Common Applications

• Piezo buzzers and sounders for alarms and indicators
• Ultrasonic sensors and transducers for distance sensing and proximity detection
• Signal generators and test equipment
• Microcontroller-based sound projects, beepers and notification modules
• Experimental research, prototyping and DIY electronics

Integration and Wiring Tips

• Drive method: Use AC or pulsed DC. A square wave from a microcontroller or a driver transistor works well for audible tones.
• Matching: Tune drive frequency to desired tone or ultrasonic pulse for best output.
• Amplification: For louder output, mount the disc over a resonant cavity or use a simple amplifier/driver circuit.
• Mounting: Fix around the rim or place on a compliant gasket to avoid damping the vibration; avoid gluing the active area directly.
• Protection: Avoid applying continuous DC bias and keep mechanical stress low to prevent cracking.

Why Choose XHXDZ-27MM

The XHXDZ-27MM provides a compact, low-power solution for adding audio or ultrasonic capability to projects. Its brass-backed ceramic design delivers consistent performance and easy integration into existing buzzer modules, sensor heads, or custom enclosures.

Note: Images are for illustration purposes only.