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Release time:

2025-12-16 17:12

FCO-6C SMD Crystal Oscillator (1.5~50MHz)

Key Features

Compact 2.0 × 1.6 mm standard SMD footprint
Frequency range: 1.5 ~ 50 MHz
Supports 1.8V / 2.5V / 3.3V supply voltages
Low power consumption: Max 15 mA @15pF load
Low jitter: 1.0 ps RMS phase jitter (12kHz–20MHz)
Tight duty cycle: 45% ~ 55%
Tri-state enable/disable function on Pin 1
RoHS and REACH compliant, Pb-free

Recommended Applications

WLAN and WiMAX Modules
Mobile Phones and Smart Devices
Digital Still Cameras (DSC)
Set-top Boxes and HDTV Systems

Electrical Characteristics

Package Dimension

Design Recommendations

To achieve optimal performance, a 0.1μF bypass capacitor should be placed as close as possible between the Vdd and GND pins. This helps suppress voltage ripple and enhances signal stability. The oscillator is designed to maintain consistent frequency under environmental stress, including temperature shifts, vibration, and supply voltage variation, ensuring long-term reliability in demanding electronic systems.

A crystal oscillator is a critical electronic component that generates a precise and stable frequency signal by utilizing the mechanical resonance of a vibrating piezoelectric crystal, typically quartz. This device serves as the "heartbeat" or timing reference for countless modern electronic systems. From the microprocessor in a computer to the radio in a smartphone, the consistent and accurate signal provided by a crystal oscillator ensures synchronized and reliable operation. Its fundamental role in establishing a stable clock signal makes it indispensable in digital circuits, communication devices, and measurement equipment.

The foremost advantage of a crystal oscillator is its exceptional frequency stability and accuracy. Compared to other resonator types like RC or LC circuits, the quartz crystal's vibration is inherently stable against environmental changes such as temperature fluctuations and aging. This allows a crystal oscillator to maintain a precise frequency over extended periods, which is paramount for applications where timing is crucial. For instance, in telecommunications networks, this precision prevents data loss and ensures clear signal transmission, while in global positioning systems, it underpins accurate location calculations.

Another significant benefit is the low phase noise and jitter performance of high-quality crystal oscillator units. Phase noise refers to short-term, random fluctuations in the frequency of the signal, while jitter is the deviation in the timing of signal pulses. Minimizing these factors is essential for high-fidelity digital audio, high-speed data conversion, and robust wireless communication. A stable crystal oscillator provides a clean spectral signal, enabling higher data rates, improved signal integrity, and reduced bit error rates in sensitive electronic applications.

Crystal oscillators are also valued for their remarkable reliability and longevity. The quartz crystal itself is a robust material with no moving parts, leading to minimal wear and tear over time. When packaged as a complete oscillator module with sustaining circuitry, it forms a highly durable component capable of withstanding shock, vibration, and a wide operational temperature range. This inherent durability ensures that systems relying on a crystal oscillator for their core timing can maintain consistent performance in demanding environments, from industrial automation to automotive electronics.

Key words:

application

Fcom

Automotive Electronics

Fire-fighting

Quartz Crystal

OCXO