Piezoelectric Ceramic Element: Operating Voltage 3-30 Vp-p

Component Specifications

Definition

A piezoelectric ceramic element is a specialized electronic component made from piezoelectric ceramic materials (typically lead zirconate titanate - PZT) that exhibits the piezoelectric effect. When an alternating electrical voltage is applied across its electrodes, the material undergoes mechanical deformation, producing ultrasonic vibrations. In piezoelectric sounders, these vibrations are amplified by a resonant cavity to generate audible sound waves. The component serves as the core transducer that converts electrical energy into acoustic energy through direct piezoelectric actuation.

Working Principle

Operates on the inverse piezoelectric effect where applied alternating voltage causes mechanical strain in the ceramic material. The ceramic element expands and contracts at the frequency of the applied voltage, creating vibrations that are transmitted through a diaphragm or resonator to produce sound. The vibration frequency is determined by the ceramic's resonant characteristics and the driving circuit frequency.

Materials

Lead zirconate titanate (PZT) ceramics, doped with various additives (niobium, lanthanum) to optimize piezoelectric properties. Electrodes: Silver or nickel-silver alloy fired onto ceramic surfaces. Optional protective coatings: Epoxy resin or silicone for moisture resistance.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Capacitance	1000-15000 pF
Operating Voltage	3-30 Vp-p
Resonant Frequency	2.0-4.0 kHz (typical for audible sounders)
Dielectric Strength	≥250 VAC
Resonance Impedance	≤300 Ω
Sound Pressure Level	85-105 dB at 10 cm
Insulation Resistance	≥100 MΩ
Operating Temperature	-20°C to +70°C

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

Standards

IEC 60384-14, JIS C 6441, ISO 9001

Parent Products

This component is used in the following industrial products

Piezoelectric Sounder

An electronic audio signaling device that generates sound using piezoelectric effect

View Product Details

Engineering Analysis

Risks & Mitigation

Ceramic brittleness causing mechanical failure
Electrode delamination under thermal cycling
Performance degradation in high humidity
Resonant frequency drift with temperature changes

FMEA Triads

Trigger: Mechanical stress from improper mounting
Failure: Ceramic cracking or electrode separation
Mitigation: Use compliant mounting materials, avoid direct pressure on ceramic, follow torque specifications

Trigger: Overvoltage or voltage spikes
Failure: Dielectric breakdown or electrode arcing
Mitigation: Implement voltage clamping circuits, use drivers with current limiting, adhere to maximum voltage ratings

Trigger: Thermal expansion mismatch
Failure: Stress cracks at electrode-ceramic interface
Mitigation: Select compatible expansion coefficient materials, implement gradual thermal cycling in manufacturing

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

Frequency tolerance ±5%, capacitance tolerance ±20%

Test Method

Impedance analyzer for resonance testing, sound level meter for SPL verification, dielectric withstand tester for insulation

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

Verify equipment lists, process limits, capacity, and representative production evidence.

Inspection readiness

Confirm test methods, calibrated equipment, sampling plans, and traceable reports.

Supplier transparency

Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of Piezoelectric Ceramic Element

1 company lists this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

NINGBO SANCO ELECTRONICS CO., LTD.

Ningbo, Zhejiang, CN

Also makes: Piezoelectric Sounder

Listed on the company's own website · profile compiled by CNFX from public sources

Listed there as: “Piezoelectric Ceramic Element Plate 9mm~55mm”
View source page ↗ sancobuzzer.com · checked 2026-09-09

View profile Send enquiry

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

Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review

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Frequently Asked Questions

What is the typical lifespan of a piezoelectric ceramic element?

Typically exceeds 100 million cycles due to solid-state operation with no moving parts, limited mainly by electrode degradation or mechanical fatigue under extreme conditions.

Can piezoelectric ceramic elements be used in humid environments?

Yes, with proper protective coatings (epoxy or silicone), though prolonged exposure to condensation may affect performance. IP-rated housings are recommended for harsh conditions.

How does driving frequency affect sound output?

Maximum efficiency occurs at the element's resonant frequency. Operating within ±10% of resonance optimizes sound pressure level while minimizing power consumption.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

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.

Piezoelectric Ceramic Element