Structured Manufacturing Data (2026)

Crystal Oscillator

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Crystal Oscillator 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 Crystal Oscillator is characterized by the integration of Quartz Crystal Blank and Electrodes. In industrial production environments, manufacturers listed on CNFX commonly emphasize Quartz crystal construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A precise timing device that generates stable clock signals for electronic circuits

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Product Specifications

Technical details and manufacturing context for Crystal Oscillator

Definition
A crystal oscillator is an electronic component that uses the mechanical resonance of a vibrating crystal of piezoelectric material to create an electrical signal with a very precise frequency. Within a Bluetooth module, it provides the fundamental clock signal that synchronizes data transmission, frequency hopping, and timing operations, ensuring reliable wireless communication.
Working Principle
The crystal oscillator operates based on the piezoelectric effect. When an alternating voltage is applied to a quartz crystal, it vibrates at its natural resonant frequency. This mechanical vibration is converted back into an electrical signal, creating a stable and precise oscillating output that serves as the clock reference for the Bluetooth module's digital circuits.
Common Materials
Quartz crystal, Electrodes (silver/gold), Ceramic or metal housing
Technical Parameters
  • Operating frequency (typically 16MHz, 26MHz, or 32MHz for Bluetooth applications) (MHz) Customizable
Components / BOM
  • Quartz Crystal Blank Part
    Provides the piezoelectric material that determines the resonant frequency
    Material: Quartz (SiO₂)
  • Electrodes Part
    Apply voltage to and extract signal from the crystal
    Material: Silver or gold plating
  • Oscillator Circuit
    Amplifies and sustains the crystal's oscillation
    Material: Semiconductor (silicon)
  • Package/Housing Part
    Protects the crystal and provides electrical connections
    Material: Ceramic or metal

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Crystal Oscillator.

high stability crystal oscillator for electronics quartz crystal oscillator with silver electrodes ceramic housing crystal oscillator BOM precise timing device for optical products oscillator circuit with quartz crystal blank

Applied To / Applications

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

Bluetooth Module
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Clock Generator
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Clock/Timer Unit
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Baud Rate Generator / Clock Controller
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Microcontroller/Logic Board
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Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Atmospheric (hermetically sealed, not pressure-sensitive)
other spec: Frequency stability: ±10 ppm to ±100 ppm, Load capacitance: 8 pF to 32 pF, Drive level: 10 µW to 100 µW
temperature: -40°C to +85°C (standard), -55°C to +125°C (extended)
Media Compatibility
✓ Printed Circuit Boards (PCBs) ✓ Microcontroller/Microprocessor Systems ✓ Communication Equipment (RF modules)
Unsuitable: High-vibration or shock environments (e.g., heavy machinery, automotive under-hood)
Sizing Data Required
  • Required Frequency (e.g., 10 MHz, 32.768 kHz)
  • Package Size/Footprint (e.g., 3.2x2.5mm, 5.0x3.2mm)
  • Stability/Tolerance Requirement (e.g., ±20 ppm over temperature range)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Frequency drift or instability
Cause: Aging of the quartz crystal due to material degradation, contamination from outgassing of internal components, or mechanical stress from thermal cycling and vibration altering the crystal's resonant properties.
Output signal loss or degradation
Cause: Failure of the oscillator circuit's active components (e.g., transistors, capacitors) due to electrical overstress, thermal fatigue, or solder joint fatigue from thermal expansion mismatches, disrupting the feedback loop needed for sustained oscillation.
Maintenance Indicators
  • Abnormal frequency readings or timing errors in the system clock, indicating the oscillator is drifting beyond its specified tolerance.
  • Intermittent or complete loss of output signal, often detectable as system freezes, communication failures, or audible clicks/noise in audio applications.
Engineering Tips
  • Control thermal cycling by ensuring stable operating temperatures and avoiding rapid temperature changes, as thermal stress accelerates aging and can cause mechanical damage to the crystal and solder joints.
  • Implement proper electrical decoupling and filtering in the power supply lines to the oscillator circuit to minimize voltage spikes and noise, reducing the risk of electrical overstress on sensitive components.

Compliance & Manufacturing Standards

Reference Standards
IEC 60122-1: Quartz crystal units of assessed quality - Part 1: Generic specification ANSI/EIA-512: Standard for Quartz Crystal Units and Crystal Oscillators EN 60068-2-6: Environmental testing - Part 2-6: Tests - Test Fc: Vibration (sinusoidal)
Manufacturing Precision
  • Frequency Tolerance: ±10 ppm to ±100 ppm (typical)
  • Aging: ±1 ppm to ±5 ppm per year (first year)
Quality Inspection
  • Frequency Stability Test (temperature cycling)
  • Shock and Vibration Testing (per MIL-STD-202 or IEC 60068-2-6)

Factories Producing Crystal Oscillator

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 makes crystal oscillators essential in computer manufacturing?

Crystal oscillators provide precise timing signals that synchronize operations in processors, memory, and communication interfaces, ensuring reliable performance in computers and electronic devices.

How does the quartz crystal material affect oscillator performance?

Quartz crystals offer exceptional frequency stability and low phase noise due to their piezoelectric properties, making them ideal for maintaining accurate timing in varying environmental conditions.

What are the advantages of ceramic versus metal housing for crystal oscillators?

Ceramic housing provides better thermal stability and EMI shielding, while metal housing offers superior mechanical durability; the choice depends on application requirements like temperature range and physical stress.

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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