About Fuji Crystal

Understanding Thermal Crystals: The Future of Electronics

Release time:

2025-10-31 16:21

FCX-1R Quartz Crystal with Built-in Thermistor (1.6×1.2mm)

Key Features

  • Ultra-compact package: 1.6 × 1.2 × 0.65 mm
  • Built-in thermistor for temperature compensation/monitoring
  • Frequency range: 26 ~ 54 MHz
  • Frequency tolerance: ±10 ppm @ 25°C ±3°C
  • Frequency stability: ±12 ppm @ −30 to +85°C
  • Operating temperature range: −30°C to +85°C
  • Load capacitance: 6 / 7 / 8 pF (or specify)
  • Drive level: 10 to 100 µW
  • ESR: Max. 100 Ω
  • Thermistor resistance: 22–100 kΩ (@ 25°C)
  • Thermistor B-constant: 3380–4250 K (@ 25–50°C)
  • Storage temperature: −40°C to +125°C
  • Aging: ±3 ppm (1st year)
  • RoHS & REACH compliant, Pb-free

Applications

  • Mobile phones
  • GPS/GNSS positioning modules
  • Wearable smart devices
  • Thermally sensitive timing systems

Electrical Specifications

Parameter Symbol Min Typ Max Unit Conditions
Nominal Frequency F 26 – 54 MHz @ 25°C, 40–70% RH
Frequency Tolerance FT – ±10 – ppm @ 25°C ±3°C
Frequency Stability ST – ±12 – ppm @ −30 to +85°C
Operating Temperature Topr −30 25 +85 °C –
Load Capacitance CL 6 7 8 pF Or specify
Drive Level DL 10 – 100 µW –
ESR – – – 100 Ω Max
Thermistor Resistance – 22 – 100 kΩ @ 25°C
Thermistor B-constant – 3380 – 4250 K @ 25~50°C
Storage Temperature Tstr −40 – +125 °C –
Aging (1st Year) – – ±3 – ppm/year @ 25°C

Thermal crystals are materials characterized by their ability to conduct heat efficiently, a property that is increasingly vital in the electronics sector. As electronic devices become smaller and more powerful, the need for effective thermal management has never been more crucial. The integration of thermal crystals into electronic components can aid in dissipating heat, thus prolonging the lifespan of devices and enhancing overall performance.
The main function of thermal crystals lies in their unique molecular structure, which allows them to transfer thermal energy with minimal resistance. This property is essential in applications where heat buildup can lead to performance degradation or failure. For instance, in high-performance computing systems, thermal management is a critical concern. The use of thermal crystals can prevent overheating, ensuring that processors and other vital components operate within their optimal temperature range.
In addition to heat dissipation, thermal crystals can also play a role in energy conversion. Certain types of thermal crystals are known for their thermoelectric properties, which enable them to convert temperature differences into electrical energy. This can be particularly advantageous in the development of energy-efficient devices, where harnessing waste heat for power generation can lead to significant improvements in overall energy usage.
Moreover, the application of thermal crystals extends beyond traditional electronics. They are being explored in various fields such as aerospace, automotive, and renewable energy technologies. In electric vehicles, for instance, effective thermal management is essential for battery performance and safety. The implementation of thermal crystals can enhance battery cooling systems, ensuring safe operation during high-load conditions.
As the electronics industry continues to evolve, the demand for innovative materials like thermal crystals is expected to grow. Ongoing research into novel crystal structures and their properties promises to unlock even more applications in the future. Companies focusing on the development and integration of thermal crystals into their products may find themselves at the forefront of technological advancement.
In conclusion, thermal crystals represent a significant advancement in the field of electronic components. Their ability to manage heat effectively not only improves the performance and reliability of devices but also opens new avenues for energy efficiency. As industries continue to seek solutions for thermal management challenges, the role of thermal crystals will undoubtedly become more prominent, paving the way for a new era in electronics manufacturing and design.

Key words:

application

Fcom

Automotive Electronics

Fire-fighting

Quartz Crystal

OCXO

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