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The Guardian of Extreme Temperature Performance for Epson FC-135 Crystal oscillator 5G Mobile Phone

  • Mar 26,2025
  • 22 VIEWS

In the 5G era, smartphones not only require high speed and low latency, but also need to maintain stable operation in complex environments such as extreme cold, heat, and vibration. As the core clock source of 5G mobile phones, Epson's 32.768kHz crystal oscillator FC-135, with its wide temperature adaptability, high-precision stability, and miniaturized design, has become an ideal choice for the core clock source of 5G mobile phones, providing performance protection under extreme temperatures.



The characteristics of Epson FC-135 crystal oscillator in the field of 5G mobile phones:

1. Stable performance under extreme temperatures: fearless challenge from -40 ℃ to+85 ℃

The working temperature range of FC-135 crystal oscillator covers * * -40 ℃ to+85 ℃ * *, and even in extremely cold winter outdoor or high-temperature vehicle environments, it can maintain high-precision output with a frequency deviation of only ± 20ppm. Its temperature characteristics are precisely controlled by a parabolic coefficient (-0.04 × 10 ⁻⁶/℃ ²), combined with vertex temperature compensation technology (+25 ℃± 5 ℃), effectively suppressing the influence of temperature drift and ensuring the stability of clock signals under severe temperature differences. This feature perfectly fits the harsh environmental requirements faced by 5G base stations and mobile phones, such as deserts, high-altitude areas, or high-speed mobile scenarios.

2. Miniature design: freeing up valuable space for 5G phones

FC-135 adopts a 3.2 × 1.5 × 0.8mm ultra small package, with a volume only 1/200 of traditional surface mount crystal oscillators, and can be flexibly embedded in space limited areas such as mobile phone motherboards and RF modules. Its two pin patch structure simplifies circuit design, helping 5G phones achieve thinner and higher integration. At the same time, the miniaturized packaging has passed the lead-free soldering high-temperature reflow test and meets the AEC-Q200 automotive standard. It has excellent impact resistance and vibration resistance, and is suitable for scenarios such as phone drops or car bumps.

3. Low power consumption and long lifespan: invisible contributors to battery life

The driving power consumption of FC-135 is as low as 0.5 μ W, coupled with a 12.5pF load capacitor design, significantly reducing clock circuit energy consumption and extending the battery life of 5G mobile phones. Its annual aging rate is only ± 3ppm, ensuring frequency consistency of the equipment under long-term use and reducing system clock errors caused by crystal oscillator attenuation. This feature is particularly critical for 5G phones that support Always On functionality, such as background positioning and voice wake-up.

4. Reliability endorsement for multi domain verification

FC-135 has been widely used in fields that require high reliability, such as automotive electronics (in car navigation, ADAS), industrial equipment (smart meters, FA systems), and medical instruments. For example, in an extremely cold environment of -40 ℃, it can still provide precise clock reference for automotive safety systems; It can also stably support real-time data synchronization of medical equipment at a high temperature of+85 ℃. These scenarios validate the reliability of FC-135 under extreme conditions, providing cross industry technical support for 5G smartphones.

5. Resistance to vibration and impact

The Epson 32.768kHz crystal oscillator FC-135 has excellent anti vibration and anti impact capabilities, and can maintain stable frequency output in complex usage environments. The high reliability design of FC-135 crystal oscillator plays an important role in the complex electromagnetic environment of 5G mobile phones. Its built-in anti-interference filtering circuit and low ESR characteristics effectively resist the interference of electromagnetic noise on clock signals, ensuring the stability of signal transmission.


The Epson FC-135 crystal oscillator, with its wide temperature range stability, high-precision frequency output, low power consumption, and compact design, has become an ideal clock solution for 5G phones to cope with extreme temperature challenges. In the era of 5G technology driving the innovation of intelligent terminals, FC-135 not only provides core support for improving the performance of mobile devices, but also expands the application boundaries of mobile devices through technological innovation. Choosing Epson FC-135 is to provide excellent performance guarantee for 5G phones even in extreme environments, opening up a smarter and more reliable 5G communication future for users.