445W31A27M00000

Series:	445
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	MHz Crystal
Frequency:	27MHz
Frequency Stability:	±10ppm
Frequency Tolerance:	±30ppm
Load Capacitance:	10pF
ESR (Equivalent Series Resistance):	40 Ohms
Operating Mode:	Fundamental
Operating Temperature:	0°C ~ 50°C
Ratings:	--
Mounting Type:	Surface Mount
Package / Case:	2-SMD, No Lead
Size / Dimension:	0.197" L x 0.126" W (5.00mm x 3.20mm)
Height - Seated (Max):	0.053" (1.35mm)

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Crystals

Crystals are important elements in many applications. The 445W31A27M00000 is a type of crystal oscillator which is typically used for input and output refresh signals for the synchronizing of digital video sources. The crystal can also be used for more general purpose applications such as microprocessor timing.

Applications

This crystal oscillator is commonly used for digital video synchronization applications such as HDMI, DVI, and Digital Video Broadcasting (DVB), as well as for general-purpose applications such as microprocessor timing and switching power supplies. It can also be used to generate a precision reference clock in applications requiring an active voltage controlled oscillator (VCO).

Working Principle

The 445W31A27M00000 crystal oscillator operates on a basic principle. It uses two quartz oscillator plates with a conductive medium in between them that creates an electrostatic field across the oscillator plates. This electrostatic field is what causes the crystal to vibrate at a certain frequency, which is determined by the size and shape of the crystal.The crystal oscillator is powered by an external source, usually an alternating current (AC) or direct current (DC) power source. This power source creates an electric field which induces a current in the conductive medium between the quartz plates, causing them to vibrate at a frequency determined by the size and shape of the quartz plates.The frequency of the oscillator can be adjusted by changing the size and shape of the quartz plates and the power source used. For example, a different frequency can be achieved by changing the size of the quartz plates, the thickness of the conductive medium between the plates, or the power source used to drive the oscillator.The oscillation frequency produced by the 445W31A27M00000 crystal oscillator is between 30 and 31MHz, depending on the size and shape of the quartz plates. This frequency can be adjusted to meet the specific requirements of the application.

Conclusion

The 445W31A27M00000 crystal oscillator is typically used for input and output refresh signals for digital video synchronization applications and general-purpose applications such as microprocessor timing and switching power supplies. This oscillator operates on the principle of an electrostatic field created across two quartz plates, and the oscillation frequency can be adjusted by changing the size and shape of the quartz plates, and by changing the power source used to drive the oscillator.

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