INDUSTRY COMPONENT

Oscillator/Crystal

Electronic component providing precise timing signals for digital circuits in industrial control systems.

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Component Specifications

Definition
An oscillator/crystal is a passive electronic component that generates a stable, precise frequency signal through piezoelectric resonance. In industrial PCB controllers, it serves as the timing reference for microprocessors, communication interfaces, and synchronization circuits, ensuring accurate operation of control algorithms and data processing.
Working Principle
Utilizes the piezoelectric effect where an applied electric field causes mechanical deformation in quartz crystal, creating resonant oscillations at a specific frequency determined by crystal cut and dimensions.
Materials
Quartz crystal (SiO2) with silver or gold electrodes, housed in ceramic or metal packages with hermetic sealing.
Technical Parameters
ParameterTypical rangeNotes & selection driver
Aging±3ppm/year
PackageHC-49/S, SMD 3225/5032
Frequency4MHz to 50MHz
Load Capacitance12pF to 32pF
Frequency Tolerance±10ppm to ±100ppm
Operating Temperature-40°C to +85°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 60122-1, MIL-PRF-3098, JIS C6701

Parent Products

This component is used in the following industrial products

PCB with Controller

A printed circuit board integrated with a controller chip or module for managing display/interface functions.

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Communication Controller

A hardware or firmware component within a Data Interface Module that manages data transmission protocols, signal conversion, and communication flow between connected devices or systems.

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Wireless Transmitter

Electronic component that converts control signals into wireless transmissions for remote operation

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Engineering Analysis

Risks & Mitigation
  • Frequency drift due to temperature variations
  • Mechanical shock damage
  • Aging causing long-term frequency shift
  • EMI interference affecting stability
FMEA Triads
Trigger: Mechanical stress from PCB assembly
Failure: Crystal fracture or electrode detachment
Mitigation: Use shock-absorbing mounting, proper soldering profiles, and vibration-resistant packages
Trigger: Moisture ingress
Failure: Corrosion and frequency instability
Mitigation: Hermetic sealing, conformal coating, and humidity-controlled storage

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance
Frequency stability within ±50ppm over operating temperature range
Test Method
IEC 60122-1 for frequency measurement, MIL-STD-202 for environmental testing

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 Oscillator/Crystal

Manufacturer profiles associated with Oscillator/Crystal.

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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 difference between oscillator and crystal in industrial applications?

A crystal (crystal resonator) requires external circuitry to oscillate, while an oscillator includes the crystal plus oscillation circuitry in one package. Oscillators provide complete timing solutions but are more expensive.

How does temperature affect crystal oscillator performance?

Temperature changes cause frequency drift. Industrial crystals use AT-cut quartz with minimal temperature coefficient around 25°C. For extreme environments, TCXO (Temperature Compensated Crystal Oscillator) or OCXO (Oven Controlled Crystal Oscillator) provide better stability.

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.

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