445C3XA30M00000

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Crystals are an important component of many electrical and electronic systems, playing a major role in ensuring that these systems operate at optimal performance. The 445C3XA30M00000 is a crystal oscillator from the 445C3X Crystal Oscillator Series from Citizen Finetech Miyota (CFM), a brand of Citizen that produces high quality quartz-based components for precision timing applications. This crystal is designed for use in frequency control applications, as it is highly stable and accurate when used in the correct environment.

The 445C3XA30M00000 crystal has a frequency of 30 MHz and is a low-cost 3.2 x 2.5 mm ceramic surface mount crystal. It has a wide frequency range of 10-60 MHz and is designed to be used in microprocessors and digital systems, commercial radios, shortwave radios, transmitters, and many other frequency control applications. It has two metal-electrode options, one with a thin-film gold electrode and one with a metal-doped metal electrode, that are suitable for various frequency-control applications.

The 445C3XA30M00000 crystal features a series of parameters that provide exceptional performance and reliability.

• Frequency range: 10-60 MHz
• Dimensions: 3.2 x 2.5 mm
• Supply voltage: 1.8V-5.5V
• Load Capacitance: 15-30 pF
• Operating Temperature Range: -40°C to +85°C
• Storage Temperature Range: -55°C to +125°C
• Resonance Modes: Fundamental,3rd overtones
• Frequency tolerance: ±5ppm (15-30); ±10ppm (30-60)
• Shunt capacitance: 15 pF

The working principle of the 445C3XA30M00000 crystal oscillator is based on the piezoelectric effect. This effect is the property of certain materials, notably certain crystals and ceramics, to generate an electrical charge when they are mechanically stressed. When the mechanical force is removed, the charge returns the material to its original shape. This behaviour can be used to create an oscillator circuit, where an electric charge (pulse) is applied to the crystal and this pulse is used to generate electrical signals. The frequency at which the crystal oscillates is determined by its size, shape, and composition.

When using the 445C3XA30M00000 crystal oscillator, the device must be carefully mounted to ensure the correct resonance point is hit. The correct resonance point can be found by using an oscilloscope, where the output waveform should be a sine wave with a low ripple and uniform structure. The crystal should also be connected to a matching circuit, usually a parallel resistor-capacitor (RC) network, which helps to tune the oscillator circuit to the required frequency. With the correct tuning and setup, the crystal can be used in a wide variety of frequency control applications.

The 445C3XA30M00000 crystal oscillator is an excellent option for frequency control applications where reliable and stable performance is required. It is a low-cost, small size oscillator with a wide frequency range and is suitable for use in many different applications. When used with a suitable matching circuit, it can provide high accuracy even in harsh operating environments.

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