🔊 20mm Piezo Buzzer Disc Without Cable – Compact Passive Sound Element

The 20mm Piezo Buzzer Disc Without Cable is a compact and efficient passive acoustic transducer ideal for generating tones and sound signals in various electronic applications. Its lightweight design and small size make it perfect for integration into tight enclosures and miniature projects.

⚙️ Key Features

• 📏 20mm Diameter: Compact size for small electronics and space-constrained designs
• 🔉 Produces clear tone when driven by AC signal or pulse from a microcontroller
• 🔧 No pre-attached wire – easily solderable for custom installations
• ⚡ Low power consumption, ideal for battery-operated devices
• 🧩 Lightweight and durable construction

📦 Typical Applications

• 📟 DIY electronics and Arduino projects
• 🚨 Buzzer alarms and audio indicators
• 🎮 Toys and handheld devices
• 📡 Remote control systems
• 🔧 Embedded systems and prototypes

📊 Technical Specifications

• Type: Passive Piezoelectric Buzzer Disc
• Diameter: 20mm
• Thickness: Approx. 0.4mm
• Operating Voltage: Typically 3V–24V (requires external oscillator or driver)
• Resonant Frequency: ~4kHz–6kHz
• Connection: Solder pads (no cable attached)

📦 Package Includes

• 1 × 20mm Piezo Buzzer Disc (without cable)

This 20mm piezo disc is an ideal audio solution for compact devices and custom sound projects where size, efficiency, and versatility matter.