PZT8 Piezo Ceramic Ring Φ20 mm for Ultrasonic Transducers

Original price was: $5.00.Current price is: $4.00.

20% Off

PZT-82 Piezo Ceramic, equivalent to Navy Type III material.
Designed for high-power transducers and industrial devices.
High mechanical quality factor, low dielectric loss & resonant impedance.
Stable resonant performance, Reliable high-power operation
Custom sizes available, Consult our engineer for more details

Piezoceramic Ring Technical Details

Specification PZT8-20x10x3 PZT8-20x10x4 PZT8-20x10x5
Materials Type: PZT82 PZT82 PZT82
Items No.: 20x10x3 20x10x4 20x10x5
Outer Diameter (mm) 20 mm 20 mm 20 mm
Inner Diameter (mm) 10 mm 10 mm 10 mm
Thickness /Height (mm) 3 mm 4 mm 5 mm
Frequency FS±3% (kHz) 77 kHz 77 kHz 77 kHz
Bandwidth △F (kHz) 10 kHz 10 kHz 7 kHz
Capacitance C±12% (pF) 740 pF 560 pF 425 pF
Impedance Rm (Ω) 17 Ω 17 Ω 17 Ω
Specification PZT8-20x8x3 PZT8-20x8x4 PZT8-20x8x5 PZT8-20x8x6
Materials Type: PZT82 PZT82 PZT82 PZT82
Items No.: 20x8x3 20x8x4 20x8x5 20x8x8
Outer Diameter (mm) 20 mm 20 mm 20 mm 20 mm
Inner Diameter (mm) 8 mm 8 mm 8 mm 8 mm
Thickness /Height (mm) 3 mm 4 mm 5 mm 6 mm
Frequency FS±3% (kHz) 83 kHz 83 kHz 83 kHz 83 kHz
Bandwidth △F (kHz) 10 kHz 10 kHz 10 kHz 10 kHz
Capacitance C±12% (pF) 810 pF 590 pF 485 pF 400 pF
Impedance Rm (Ω) 19 Ω 19 Ω 18 Ω 18 Ω

* All Piezoceramic Dielectric Loss (tgδ (%) <0.3 * All Piezoceramic Coupling Factor (Kt/Kr%) >53
* All Piezoceramic Curie Point (TC℃) 320
* All Piezoceramic Mechanical Quality Factor (Qm) > 1800

For bulk order price please contact our sales.

Read More About Piezo Application

Piezoceramic Ring Applications


Piezoelectric rings are fundamental components in high-power ultrasonic systems. By fastening these piezoceramic elements to a metal rod using high-tensile bolts, the particle displacement and mechanical vibration velocity of the components are significantly amplified. This configuration effectively concentrates ultrasonic energy into a targeted, smaller surface area, functioning as an ultrasonic concentrator (or horn).

We offer a diverse range of ring-shaped piezoelectric components engineered for high-performance demands. Our products are characterized by:

Low resonant impedance for maximum efficiency
Minimal dielectric loss to reduce heat generation
Excellent thermal stability under continuous operation
High-power driving capabilities for demanding industrial loads

Core Applications

Our high-quality piezoceramics are widely utilized across a variety of cutting-edge industries and applications, including:
Bolt-Clamped Ultrasonic Transducers (Langevin Transducers): Providing robust mechanical clamping for high-power ultrasonic delivery.
Sensing Technologies: Integrated into high-precision Ultrasonic Sensors and Vibration Sensors for real-time monitoring and diagnostics.
Industrial Processing: Powering advanced Ultrasonic Cleaning systems and Ultrasonic Welding equipment for precise material bonding.
Energy & Mixing: Driving Biodiesel Mixing Transducers to optimize chemical cavitation, as well as specialized Vibration Generation modules.
Dynamic Control: Implementing Active Vibration Damping to counteract unwanted structural oscillations in real-time.

Read More About Piezo Application

Still have questions? Consult our technical engineer for more details by filling below form.

Additional Information

Delivery Time

1 Week After Payment is Received

Payment Term

For orders of USD 500 or more: Bank Transfer (T/T), For orders under USD 500: T/T, PayPal, or Western Union

Warranty Period

1 Year Warranty, Free Replacement

Reliable Shipping

Carefully packed for safe international delivery

Bulk Order Discounts

Better pricing available for larger quantities

Technical Support

Application guidance for piezo components

Flexible Payments

T/T, PayPal, and Western Union accepted