Acoustic Transducer Component | Specifications & Verification

Product Specifications

Technical details and manufacturing context for Acoustic Transducer

Definition

An acoustic transducer is a component used in computer, electronic, and optical product manufacturing, specifically designed for applications such as underwater communication and specialized environments. It serves as a core element of an Acoustic Transponder Array, converting electrical energy into acoustic energy for transmission and receiving acoustic signals to convert them back into electrical signals for processing and communication. The transducer operates on piezoelectric, magnetostrictive, or electrodynamic principles, utilizing mechanical vibration of its elements to achieve bidirectional conversion. Typical materials include piezoelectric ceramic, epoxy resin, and stainless steel housing, which provide durability and environmental resistance. Key parameters include an operating frequency range of 20–20000 Hz, sensitivity of -45 to -60 dBV/Pa, impedance of 4–16 Ω, maximum input power of 0.5–2 W, total harmonic distortion ≤5% (per IEC 60268-5), operating temperature range of -20 to 70 °C, storage temperature range of -40 to 85 °C, ingress protection rating of IP54–IP65 (per IEC 60529), weight of 5–50 g, dimensions (diameter × height) of 10–50 × 5–20 mm, magnet material NdFeB, and diaphragm material PET. These values are directory reference ranges and must be confirmed for the specific model and application. Verification questions should address the required frequency band, sensitivity, impedance matching, power handling, environmental conditions, and compliance with relevant standards. Maintenance signals include degradation in sensitivity, increased distortion, or physical damage to the housing or diaphragm. Failure boundaries include exceeding maximum input power, operating outside temperature limits, or exposure to conditions beyond the ingress protection rating. Always consult the legal manufacturer or supplier to verify model-specific specifications and standards.

Working Principle

The acoustic transducer converts between electrical and acoustic energy using one of three principles: piezoelectric, magnetostrictive, or electrodynamic. In piezoelectric transducers, a ceramic element deforms when an electric field is applied, generating acoustic waves; conversely, incoming acoustic waves deform the element, producing a voltage. Magnetostrictive transducers use a magnetic field to change the dimensions of a ferromagnetic material, and vice versa. Electrodynamic transducers employ a coil moving in a magnetic field to create mechanical vibration. In all cases, the transducer element vibrates mechanically, coupling to the surrounding medium to transmit or receive acoustic signals.

Common Materials

Piezoelectric Ceramic, Epoxy Resin, Stainless Steel Housing

Technical Parameters

Parameter	Typical range	Notes & selection driver
Operating Frequency Range	20–20000 Hz	Full audio band for general purpose
Sensitivity	-45–-60 dBV/Pa	Higher (less negative) for better signal
Impedance	4–16 Ω	Match to amplifier output
Maximum Input Power	0.5–2 W	Exceeding may damage coil
Total Harmonic Distortion	≤5 %	At rated power, 1 kHzIEC 60268-5
Operating Temperature Range	-20–70 °C	Beyond may degrade performance
Storage Temperature Range	-40–85 °C	Non-operating
Ingress Protection Rating	IP54–IP65	Dust and water resistanceIEC 60529
Weight	5–50 g	Depends on size and magnet
Dimensions (Diameter × Height)	10–50 × 5–20 mm	Typical cylindrical form
Magnet Material	NdFeB	High flux density
Diaphragm Material	PET	Lightweight and durable

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Piezoelectric Element Part
Converts electrical energy to mechanical vibration and vice versa

Material: Lead Zirconate Titanate (PZT) Ceramic
Acoustic Window
Protects internal elements while transmitting acoustic energy

Material: Polyurethane or Rubber
Backing Material Part
Absorbs backward radiation and controls bandwidth

Material: Tungsten-Epoxy Composite
Electrical Connector Part
Provides electrical interface to transponder array

Material: Stainless Steel with Gold Plating
Magnetostrictive Element Optional
Changes dimension with the magnetic field on magnetostrictive transducers.
Coil Optional
Moves in the magnet gap to make the vibration on electrodynamic transducers.

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Acoustic Transducer.

Applied To / Applications

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

Acoustic Transponder Array

View system integration details

Manufacturers of Acoustic Transducer

Manufacturer profiles associated with Acoustic Transducer.

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Frequently Asked Questions

What is the typical operating frequency range?

The reference range is 20–20000 Hz, but the actual range depends on the specific model and application. Verify with the manufacturer.

What materials are used in construction?

Common materials include piezoelectric ceramic, epoxy resin, and stainless steel housing. The diaphragm is typically PET, and the magnet is NdFeB.

What is the ingress protection rating?

The reference rating is IP54–IP65 per IEC 60529, indicating dust and water resistance. Confirm the exact rating for your model.

How should I verify compliance with standards?

Standards such as IEC 60268-5 for distortion and IEC 60529 for ingress protection are listed as references. Always check with the supplier for certification and compliance.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification

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pressure:	0 to 10 bar
temperature:	-40°C to +85°C
frequency range:	20 Hz to 20 kHz
operating voltage:	5V to 24V DC

Acoustic Transducer

Product Specifications

Industry Taxonomies & Aliases

Applied To / Applications

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

Compliance & Manufacturing Standards