Best Piezo Transducers of 2025

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Piezo transducers are highly sensitive devices that convert mechanical vibrations into electrical signals. These transducers are used in a variety of applications, including medical imaging, industrial sensing, and consumer electronics. They are incredibly versatile and can be used to detect everything from the sound of a heartbeat to the vibration of a car engine. Piezo transducers are also highly durable and can withstand extreme temperatures and harsh environments. Overall, these devices are an excellent choice for anyone looking for a reliable and accurate way to measure vibrations and other mechanical movements.
At a Glance: Our Top Picks
Top 10 Piezo Transducers
30mm Piezo Transducer with 150mm Leads
The 30mm Piezo Transducer is a reliable electronic component designed for various applications. With a rated voltage of 12V peak square wave, it ensures efficient performance. The maximum voltage of 30V peak square wave allows for flexibility in different setups, making it suitable for various projects. Additionally, its panel mount design offers convenience during installation, easily integrating into your systems. This transducer comes in a pack of five, giving you ample supply for your electronic needs.
Uxcell 20mm Piezoelectric Buzzer Discs
The Uxcell Buzzer Discs are versatile piezoelectric devices, each with a diameter of 20mm. Made from durable copper, these gold-toned discs are lightweight, weighing only 12g, making them easy to handle and integrate into various projects. The piezoelectric drive type ensures efficient sound production, allowing you to create audio signals with clarity. With a package containing 20 discs, you have ample supplies for multiple applications, whether for hobby projects or professional uses.
Pack of 5 Switch Electronics 23mm Piezo Transducers
The Switch Electronics Piezo Transducers are a versatile choice for your electronic projects. This pack includes five units, providing excellent value. With a rated voltage of 12V peak square wave and a maximum voltage of 30V peak square wave, you can rely on these transducers for a range of applications. Their panel mount design ensures easy installation, making it convenient for you to integrate them into your projects without hassle.
12V 32mm Piezo Buzzer with Leads
The Switch Electronics Piezo Buzzer is a versatile tool for your DIY electronic projects. With a low profile design, it easily fits into tight spaces, making installation straightforward. The 120mm flying leads allow for hassle-free connections, ideal for panel mounting. Operating within a voltage range of 3-24VDC, this buzzer offers flexibility in various applications. With a sound output of 85dB, it ensures you won't miss any alerts, providing a reliable continuous tone when needed.
Dimplex Opti-Myst Transducer with Tool
The Offfay RM-1220 Transducer offers intelligent control with a built-in low water level sensor, ensuring safety by automatically shutting down if the water level is too low. Its multifunctional ultrasonic fogger produces a substantial aerosolised amount of fog, helping to purify any unpleasant smells in water. Operating the device is straightforward; simply plug it in and immerse it in water. Additionally, the stainless steel housing allows for the atomisation of various liquids, making it suitable for multiple applications.
Bnineteenteam 27mm Piezo Discs for Instruments
The Bnineteenteam Piezo Discs are high-performance sensors designed for various musical applications. With a resonant frequency of 4.6 +/- 0.5 KHz and a maximum impedance of 300 ohms, they provide excellent sensitivity while consuming low power. You will find them easy to install in homemade instruments, such as cigar box guitars or drum triggers, enhancing your sound and vibration detection capabilities. Made from quality materials, these discs offer durability and a long service life, making them a reliable choice for both beginners and experienced users alike.
sourcing map DC3-24V Piezo Alarm Sounder
The sourcing map Alarm Buzzer is a compact electronic device that operates on a DC power supply of 3-24V, producing a loud intermittent sound of up to 100dB. This feature makes it ideal for alerting users in various DIY electronics projects or reminders. With a mounting hole spacing of 40mm and easy-to-connect 2-wire pigtails, installation is straightforward. You can simply connect it to your desired power source without any complex wiring, making it accessible for everyone, even those with minimal technical skills.
AZDelivery KY-006 Passive Buzzer Module with E-Book
The AZDelivery KY-006 Buzzer Module features a passive piezoelectric buzzer that generates tones between 1.5 kHz and 2.5 kHz, making it perfect for various projects. You can easily control the buzzer by switching it on and off at different frequencies, allowing for versatile sound production. Its compact dimensions of 2.5 cm x 1.5 cm x 1.0 cm make it convenient to integrate into your setups. Made from high-quality PCB material, this module is durable and reliable for long-term use, ensuring you can count on it for your applications.
Walfront 35W Piezoelectric Ultrasonic Cleaning Sheet
The Walfront Piezoelectric Ceramic Sheet features a resonant frequency of 40 kHz, making it ideal for efficient ultrasonic cleaning applications. With a static capacitance of 8500 pF, it ensures stable performance while minimising energy consumption. Its low resonance impedance of less than 20Ω contributes to high vibration efficiency, providing you with effective cleaning results. Additionally, the insulation resistance of over 100MΩ at 2500V DC offers excellent safety and reliability, giving you peace of mind as you use this product.
RUANI 60W Ultrasonic Cleaning Transducer
The RUANI Ultrasonic Transducer is a high-quality device designed for ultrasonic cleaning and beauty applications. Its homogeneous sounding board ensures even distribution of sound waves, providing effective cleaning results. The product is versatile, suitable for use in various industries, including automotive and aerospace. Additionally, it comes with an ultrasonic power supply that features adjustable power settings, catering to your specific needs. This transducer offers high mechanical Q-value and conversion efficiency, making it a reliable choice for efficient cleaning tasks.
Frequently Asked Questions (FAQs)
1. What does a piezo transducer do?
Piezoelectric transducers are a type of electroacoustic transducer that convert the electrical charges produced by some forms of solid materials into energy. The word "piezoelectric" literally means electricity caused by pressure.
2. What is audio piezo transducer?
A piezo transducer is a device primarily used for converting an applied frequency to audible sound. It may be compared to a loud speaker, the only difference being the handling capacity and the operating principles.
3. What are the advantages of piezoelectric transducer?
There are some advantages of the piezoelectric transducer which are given below:. The piezoelectric transducer has a good frequency response.It is small in size.It is easy to handle because of its small dimension.It has rugged construction.It is available in the desired shape.It has a negligible phase shift.
4. Is a piezo a sensor or actuator?
Piezoelectric actuators are transducers that convert electrical energy into a mechanical displacement or stress based on a piezoelectric effect, or vice versa.
During our piezo transducer research, we found 60 piezo transducer products and shortlisted 10 quality products. We collected and analyzed 6,495 customer reviews through our big data system to write the piezo transducers list. We found that most customers choose piezo transducers with an average price of £5.86.
The piezo transducers are available for purchase. We have researched hundreds of brands and picked the top brands of piezo transducers, including Switch Electronics, Uxcell, Offfay, Bnineteenteam, sourcing map. The seller of top 1 product has received honest feedback from 1,058 consumers with an average rating of 4.9.

Harvey Wall was born and raised in Norwich. He mastered the art of tool production and finished at the prestigious Norwich University. His area of interest include cutting tools, abrasive finishing and power tools. Harvey is always looking for ways to improve the finesse of industrial tools via his myriads of researches. He also shares some of his experiences on many platforms while writing on tool products.