Structured Manufacturing Data (2026)

Ultrasonic Transducer

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Ultrasonic Transducer used in the Computer, Electronic and Optical Product Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Ultrasonic Transducer is characterized by the integration of Piezoelectric Ceramic Disc and Metal Diaphragm. In industrial production environments, manufacturers listed on CNFX commonly emphasize Piezoelectric Ceramic (PZT) construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A piezoelectric device that converts electrical energy into high-frequency mechanical vibrations to atomize water in humidifiers.

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Product Specifications

Technical details and manufacturing context for Ultrasonic Transducer

Definition
An ultrasonic transducer is a critical component in ultrasonic humidifiers that uses piezoelectric ceramics to generate high-frequency vibrations (typically 1-3 MHz) when electrical current is applied. These vibrations create standing waves on a water surface, producing a fine mist of water droplets through cavitation and capillary wave phenomena, which is then dispersed into the air to increase humidity levels.
Working Principle
The transducer operates on the inverse piezoelectric effect: when alternating voltage is applied to piezoelectric ceramic elements, they expand and contract at ultrasonic frequencies. This mechanical vibration is transferred to a metal diaphragm, creating high-frequency oscillations in the water reservoir that break water into micron-sized droplets through cavitation and capillary wave action.
Common Materials
Piezoelectric Ceramic (PZT), Stainless Steel Diaphragm, Brass Housing, Epoxy Sealant
Technical Parameters
  • Resonant frequency of the transducer, typically between 1.0-3.0 MHz for humidifier applications (MHz) Customizable
Components / BOM
  • Piezoelectric Ceramic Disc Part
    Converts electrical energy to mechanical vibrations through piezoelectric effect
    Material: Lead Zirconate Titanate (PZT) ceramic
  • Metal Diaphragm Part
    Transmits vibrations to water and creates atomization surface
    Material: Stainless steel or titanium
  • Housing Part
    Protects internal components and provides mounting interface
    Material: Brass or stainless steel
  • Electrodes Part
    Deliver electrical current to piezoelectric ceramic
    Material: Silver or nickel plating

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Ultrasonic Transducer.

ultrasonic humidifier transducer replacement piezoelectric ceramic transducer for atomization high-frequency ultrasonic mist maker industrial humidifier transducer PZT water atomization transducer brass housing

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Humidifier
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Bond Head
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Ultrasonic Sensor
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Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Atmospheric to 1 bar gauge
flow rate: 0.1 to 5 L/hr
temperature: 0°C to 60°C
slurry concentration: Not applicable - designed for clean water only
Media Compatibility
✓ Deionized water ✓ Distilled water ✓ Potable water with low mineral content
Unsuitable: Corrosive chemicals or abrasive slurries
Sizing Data Required
  • Required humidification capacity (mL/hr)
  • Available electrical power supply (V/Hz)
  • Tank/reservoir dimensions for mounting

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Piezoelectric crystal depolarization
Cause: Exposure to temperatures exceeding Curie point, mechanical shock, or prolonged operation at high power levels causing thermal stress and loss of polarization
Acoustic impedance mismatch and delamination
Cause: Deterioration of matching layers or bonding interfaces due to thermal cycling, moisture ingress, or chemical attack, leading to reduced energy transfer and signal loss
Maintenance Indicators
  • Significant drop in signal amplitude or sensitivity during routine testing, indicating reduced energy transmission efficiency
  • Abnormal audible noise (buzzing, rattling) or visible physical damage (cracks, discoloration) on transducer housing or coupling surface
Engineering Tips
  • Implement strict thermal management: maintain operating temperatures below Curie point with cooling systems, avoid rapid temperature cycling, and use thermal interface materials to dissipate heat from piezoelectric elements
  • Ensure proper acoustic coupling and handling: use appropriate couplants, apply correct mounting torque to avoid stress concentrations, store in controlled environments to prevent moisture absorption in matching layers, and perform regular impedance matching verification

Compliance & Manufacturing Standards

Reference Standards
ISO 18563-1:2015 (Non-destructive testing - Characterization and verification of ultrasonic phased array equipment) ASTM E494-15 (Standard Practice for Measuring Ultrasonic Velocity in Materials) CE Marking (EU Directive 2014/35/EU for electromagnetic compatibility and safety)
Manufacturing Precision
  • Resonant frequency tolerance: +/- 2% of nominal frequency
  • Active element flatness: 0.05 mm across diameter
Quality Inspection
  • Impedance analysis test (to verify electrical characteristics and detect internal defects)
  • Acoustic performance test (measuring sound pressure level and beam profile in water tank)

Factories Producing Ultrasonic Transducer

Manufacturer profiles with relevant production capability in China

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Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What is the typical lifespan of this ultrasonic transducer?

With proper maintenance, our ultrasonic transducers typically last 8,000-10,000 operating hours. The piezoelectric ceramic (PZT) maintains stable performance, while the stainless steel diaphragm and brass housing provide corrosion resistance for humid environments.

How does this transducer compare to standard humidifier transducers?

This industrial-grade transducer features premium PZT ceramic for higher energy conversion efficiency (typically 85-90%), a precision-machined stainless steel diaphragm for consistent vibration patterns, and epoxy-sealed brass housing for superior moisture protection compared to consumer-grade alternatives.

What maintenance is required for optimal performance?

Regular cleaning of mineral deposits from the diaphragm surface is essential. Use distilled water to minimize scaling. Avoid dry operation, ensure proper electrical connections, and maintain recommended operating voltage (typically 24-48V AC) for maximum efficiency and longevity.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data basis: CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks for Computer, Electronic and Optical Product Manufacturing.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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