Industry-Verified Manufacturing Data (2026)

Quartz Crystal Oscillator

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Quartz 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 Quartz 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 (SiO2) construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A precision electronic component that generates a stable clock signal using the mechanical resonance of a vibrating quartz crystal.

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Product Specifications

Technical details and manufacturing context for Quartz Crystal Oscillator

Definition
Within a Real-Time Clock (RTC) circuit, the quartz crystal oscillator serves as the primary timekeeping element. It provides the stable, high-frequency reference signal that the RTC integrated circuit divides down to track seconds, minutes, hours, and days with high accuracy. Its stability is critical for maintaining correct time over extended periods when the main system power is off.
Working Principle
The oscillator applies an electric field to a precisely cut quartz crystal, causing it to vibrate at its inherent resonant frequency due to the piezoelectric effect. This mechanical vibration is converted back into an electrical signal, creating a continuous and highly stable oscillating output. An integrated circuit sustains these oscillations and shapes the output waveform.
Common Materials
Quartz Crystal (SiO2), Electrodes (typically silver or gold), Ceramic or metal housing
Technical Parameters
  • The fundamental resonant frequency of the crystal, commonly 32.768 kHz for RTC applications, as it divides evenly down to 1 Hz. (Hz) Customizable
Components / BOM
  • Quartz Crystal Blank
    The piezoelectric resonator that vibrates at a precise frequency when energized.
    Material: Quartz (SiO2)
  • Electrodes
    Conductive plates deposited on the crystal blank to apply the electric field and pick up the mechanical vibration.
    Material: Silver, Gold, or Nickel
  • Holder/Base
    Provides mechanical support and electrical connection points for the crystal blank, often in a sealed package.
    Material: Ceramic or Metal
Engineering Reasoning
1-200 MHz frequency range, -40 to +85°C temperature range, ±10-100 ppm frequency stability
Crystal fracture at 150-200 MPa mechanical stress, frequency drift beyond ±500 ppm, operation beyond 125°C junction temperature
Design Rationale: Piezoelectric effect degradation due to crystal lattice damage from mechanical shock, thermal expansion mismatch between crystal and electrodes causing delamination, quartz crystal aging from impurity migration
Risk Mitigation (FMEA)
Trigger Mechanical shock exceeding 1000 g-force
Mode: Crystal fracture causing complete signal loss
Strategy: Shock-absorbing mounting with silicone gel encapsulation and reinforced lead frame design
Trigger Thermal cycling between -55°C and +125°C at 10°C/minute rate
Mode: Electrode delamination causing frequency drift beyond ±200 ppm
Strategy: CTE-matched electrode materials with gold-plated Kovar leads and hermetic ceramic packaging

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Quartz Crystal Oscillator.

high stability quartz crystal oscillator precision clock oscillator for electronics quartz crystal oscillator with ceramic housing low jitter oscillator for optical products temperature compensated crystal oscillator TCXO

Applied To / Applications

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

Real-Time Clock
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Real-Time Clock (RTC)
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Transmitter Circuit Board
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Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Atmospheric (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
✓ Clean electronic enclosures ✓ Printed circuit board assemblies ✓ Temperature-controlled environments
Unsuitable: High-vibration industrial machinery with mechanical shock > 1000G
Sizing Data Required
  • Required frequency (e.g., 10 MHz, 25 MHz)
  • Frequency stability tolerance (±ppm)
  • Package size/type (e.g., SMD, through-hole)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Frequency Drift
Cause: Aging of quartz crystal material due to temperature cycling, mechanical stress, or contamination from manufacturing residues altering the crystal's resonant properties over time.
Oscillator Stop
Cause: Electrical overstress from voltage spikes or electrostatic discharge damaging the oscillator circuit, or physical shock/vibration causing crystal fracture or connection failure.
Maintenance Indicators
  • Significant deviation in output frequency beyond specified tolerance (measured with frequency counter)
  • Intermittent signal output or complete loss of oscillation signal (audible as dropout in systems using audio frequencies, visible on oscilloscope)
Engineering Tips
  • Implement proper thermal management with stable operating temperatures and gradual thermal cycling to minimize crystal aging and frequency drift.
  • Use surge protection and proper grounding in circuit design, and mount oscillators with vibration-damping materials to prevent mechanical shock damage.

Compliance & Manufacturing Standards

Reference Standards
IEC 60122-1: Quartz crystal units of assessed quality - Generic specification ANSI/EIA-512: Standard for Quartz Crystal Units and Crystal Oscillators ISO 9001: Quality management systems - Requirements
Manufacturing Precision
  • Frequency Stability: +/- 20 ppm
  • Aging Rate: +/- 5 ppm/year
Quality Inspection
  • Frequency and Stability Testing
  • Environmental Stress Screening (ESS)

Factories Producing Quartz Crystal Oscillator

Verified manufacturers with capability to produce this product in China

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✓ 94% Supplier Capability Match Found

T Technical Director from United Arab Emirates Jan 18, 2026
★★★★★
"Reliable performance in harsh Computer, Electronic and Optical Product Manufacturing environments. No issues with the Quartz Crystal Oscillator so far."
Technical Specifications Verified
P Project Engineer from Australia Jan 15, 2026
★★★★☆
"Testing the Quartz Crystal Oscillator now; the technical reliability results are within 1% of the laboratory datasheet. (Delivery took slightly longer than expected, but technical support was excellent.)"
Technical Specifications Verified
S Sourcing Manager from Singapore Jan 12, 2026
★★★★★
"Impressive build quality. Especially the technical reliability is very stable during long-term operation."
Technical Specifications Verified
Verification Protocol

“Feedback is collected from verified sourcing managers during RFQ (Request for Quote) and factory evaluation processes on CNFX. These reports represent historical performance data and technical audit summaries from our B2B manufacturing network.”

5 sourcing managers are analyzing this specification now. Last inquiry for Quartz Crystal Oscillator from Germany (1h ago).

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Frequently Asked Questions

What is the typical frequency stability of a quartz crystal oscillator?

Quartz crystal oscillators typically offer frequency stability ranging from ±10 ppm to ±100 ppm, with high-precision models achieving ±0.5 ppm or better, depending on temperature compensation and quality of the quartz crystal.

How does the housing material affect oscillator performance?

Ceramic housing provides better thermal stability and EMI shielding, while metal housing offers superior mechanical protection. The choice affects temperature performance, aging characteristics, and suitability for harsh environments in electronic manufacturing.

What applications are quartz crystal oscillators used for in computer and optical products?

They provide precise timing for microprocessors, communication interfaces, data synchronization, optical transceivers, network equipment, and digital signal processing in computers, servers, routers, and optical communication systems.

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 Specifications verified by CNFX Industrial Index (v2.6.03) for Computer, Electronic and Optical Product Manufacturing sector.

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