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B20 Piezoelectric Buzzer – High-Tone Active Alarm Buzzer (5V–12V) for Arduino, Raspberry Pi, Security Systems & DIY Electronics | India
B20 Piezoelectric Buzzer – High-Tone Active Alarm Buzzer (5V–12V) for Arduino, Raspberry Pi, Security Systems & DIY Electronics | India
SKU:ER015
570 in stock
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Delivery Time
Delivery Time
- Delivery time with the Express Shipping option is 2-3 working days, and with the Standard Shipping option is 5-6 working days. It varies based on location, reliant on courier services.
- Delivery time if the order item is on Preorder Status is 15-20 working days.
COD (Cash on Delivery)
COD (Cash on Delivery)
- For COD you have to pay extra charges of Rs 350/- before the shipment. (We will share the company QR Code, UPI ID or Account details for the same)
Description:
The B20 Piezoelectric Buzzer is a high-tone active sound alarm designed for embedded electronics, security systems, Arduino projects, automation, and industrial alert circuits.
It operates on 5V–12V DC, making it compatible with Arduino, Raspberry Pi, ESP32, PIC, STM32, and a wide range of microcontroller and IoT applications across Delhi NCR, Mumbai, Bangalore, Hyderabad, Pune, and all of India.
This active buzzer has a built-in oscillation circuit — just connect power and it automatically produces a loud, clear tone. No programming or signal generation needed.
Ideal for alarms, warning systems, notification circuits, robots, smart devices, and automation feedback.
Specifications:
| Model | B20 Piezoelectric Buzzer |
| Type | Active Piezo Alarm Buzzer |
| Operating Voltage | 5V–12V DC |
| Rated Voltage | 9V DC |
| Operating Current | 15–25mA (typical) |
| Sound Output | ~85–100 dB @ 10 cm |
| Frequency | ~2.7–4.0 kHz |
| Terminals | 2 (Positive & Negative) |
| Polarity | Marked on buzzer casing |
| Diameter | 20mm (approx.) |
| Height | 9mm (approx.) |
| Housing Material | ABS Plastic |
| Mount Type | PCB / Panel mount |
| Weight | 4g (approx.) |
| Buzzer Type | Active (self-oscillating) |
| Life Expectancy | >5000 hours |
Features & Use Case:
- 🔊 High-Pitched Piezoelectric Tone
Produces a loud, sharp, consistent sound perfect for alarms, alerts, and notifications. - ⚡ Wide Voltage Range (5V–12V)
Compatible with battery-powered devices as well as microcontroller logic systems. - 🔌 Active Buzzer – No Coding Needed
Built-in oscillator: tone is generated automatically when DC power is applied. - 🎯 2-Terminal Easy Interface
Simple polarity-based connection: +V and GND. No driver IC required. - 🧩 Compact Modular Design
Perfect for PCBs, breadboards, robotics frames, and compact enclosures. - 🛡️ Reliable & Long-Life Operation
High-quality piezo element ensures stable sound output for long periods. - 👨🎓 Ideal for Students, Makers & Professionals
Compatible with real-world applications and popular microcontroller platforms.
Package Included :
- 1 x B20 Buzzer
Get a loud, reliable, and ready-to-use alarm buzzer for your Arduino, robotics, and DIY electronics. Perfect for security systems, automation alerts, and projects.