445W22L20M00000

Series:	445
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	MHz Crystal
Frequency:	20MHz
Frequency Stability:	±20ppm
Frequency Tolerance:	±20ppm
Load Capacitance:	12pF
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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CrystalsCrystals are solid substances in which ions, atoms, and molecules are arranged in a regular and symmetrical pattern, much like a repeating pattern of tiles. These patterns can vary greatly in both size and structure, ranging from several millimeters to nanometers in size. Crystals are found in a variety of shapes, colors and sizes.In the past crystals were primarily used in the fields of electronics, optics, and mechanical applications. For example, the pattern formed by crystals can create effective antennas, provide relief to an optical device, or act as a delicate mechanical part in a mechanical device.In recent times, however, the use of crystals has expanded to encompass a much wider range of applications. One such example is 445W22L20M00000, or two crystals with a 2mm x 2mm x 0.3mm size and a 22mm long lead. This combination of size and design make this crystal ideally suited for the high-frequency oscillators in the medical, automotive, industrial, aerospace, and military industries.The working principle behind this type of crystal is relatively simple. Its core consists of a crystal material that has been cut and polished in a specific orientation. This cut creates two surfaces that vibrate when a certain frequency of alternating current is applied across these two surfaces. When these two surfaces interact with each other, resonances are created that then generate a predictable frequency of oscillation that can be detected and measured.The frequency of oscillation generated by the crystal is determined by the size and shape of the cut, as well as by the type of material used in the crystal. For example, quartz crystals tend to generate a more stable frequency pattern than those made of synthetic materials like ceramics or plastics. Materials like titanium, gold, and silver have also been used to create high-frequency crystals that are capable of delivering very precise frequency oscillations.In addition to frequency oscillations, crystals are also commonly used to create voltage-controlled oscillators (VCOs). These devices use the same principle as that used for frequency oscillators, but with the addition of a DC voltage to the device. This DC voltage is then used to adjust the frequency of the oscillation, allowing for the control and adjustment of multiple parameters.Crystals are also widely used in temperature-compensated crystal oscillators (TCXOs). These devices are specially designed to compensate for any temperature variances in order to ensure that the frequency of the oscillations remain constant regardless of the ambient temperature. In addition, some crystals can even be used to create extremely accurate time-base oscillators that are capable of delivering time-based signals with very high accuracy and precision.In summary, crystals have come a long way since their first introduction into the world of electronics. Today, crystals are used in a wide range of applications, and have become indispensable components in many electronics and telecommunications projects. By taking advantage of the unique properties of these crystals, we are able to create a multitude of useful and reliable devices that are able to deliver the precision required for modern mechanical and electronic tasks.

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