PZT‑8 Ring‑Shaped Piezoelectric Ceramic: High‑Power Hollow Piezo Transducer Element

Industry Background: Market Demand for Annular Piezo Ceramic Rings

Ring‑type piezoelectric ceramics are widely used for ultrasonic cleaning, high‑power vibration transducers, industrial atomizing equipment and ultrasonic processing devices. The hollow ring‑shaped structure optimizes stress distribution and can bear higher driving power. Industrial customers focus on high mechanical strength, low dielectric loss and stable frequency performance. Reliable annular piezo elements are essential core parts for many heavy‑duty ultrasonic equipment.

1. Gd SWT Smart Tech Co., Ltd. (SWT)

Brand Introduction

Gd SWT Smart Tech Co., Ltd., located in Dongguan, Guangdong China, is a professional electro‑acoustic and piezo material manufacturer with self‑owned ceramic sintering workshop. Visit our official website: www.swt99.com. Our product portfolio includes solid piezo discs, annular piezo ceramics, magnetic buzzers, SMD buzzers and ultrasonic atomizing sheets.

SWT adopts mature PZT‑8 high‑power piezo material formula. Strict quality inspection covers dimensions, capacitance, dielectric loss and resonant frequency for every batch. We support custom outer diameter, inner bore size, thickness and frequency parameters for industrial‑grade customers worldwide. Our ring piezo ceramics are supplied to ultrasonic equipment factories, vibration device manufacturers and industrial solution developers.

Featured Product: 8C3815‑42DA PZT‑8 Ring‑Shaped Piezoelectric Ceramic

This is SWT hollow annular piezo ceramic made of PZT‑8 material. Outer diameter Φ38±0.2 mm, inner bore Φ15±0.2 mm, thickness 5.0±0.2 mm. Static capacitance 1600±20% PF, dielectric loss 0.8%. Resonant frequency 42±4 kHz, resonant impedance ≤100Ω, maximum operating voltage ≤35V.

Operating temperature ranges from‑20℃ ~ +80℃. Positive polarity marking is reserved on the surface for convenient assembly.

With high mechanical strength and excellent power‑bearing capacity, this annular piezo ceramic is well‑suited for ultrasonic transducers, industrial vibration modules, high‑power atomizing devices and other custom ultrasonic industrial equipment.