445A25B20M00000

Series:	445
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	MHz Crystal
Frequency:	20MHz
Frequency Stability:	±50ppm
Frequency Tolerance:	±20ppm
Load Capacitance:	13pF
ESR (Equivalent Series Resistance):	40 Ohms
Operating Mode:	Fundamental
Operating Temperature:	-10°C ~ 60°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:

A crystal is a solid material composed of atoms, molecules, or ions arranged in a regular pattern, often forming a lattice structure. In terms of applications, crystals can be divided into several categories. 445A25B20M00000 crystals are one type of oscillator crystals, used in consumer electronics and other applications.

445A25B20M00000 crystals are also known as watch crystals, or quartz crystals. These crystals have a frequency of 25 MHz, and are used for timing and control in consumer electronic devices, such as computers and watches. The frequency of these crystals is controlled by a mechanism called “trim potentiometers”, which can be adjusted to fine-tune the frequency of the crystal.

These crystals are composed of high-purity quartz, and are usually shaped like a cylindrical tube. The quartz is cut in a specific pattern, along crystallographic axes, in order to obtain the desired frequency. The frequency of the crystal is determined by its dimensions, and if these are changed, the frequency of the crystal can be changed as well.

In order to be able to use these crystals, the quartz must be cut and polished. The quartz is then fitted into a metal holder and sealed, using either a wax or a glue. This will keep the quartz from vibrating too much, thus maintaining the desired frequency. Once the quartz is fitted into the holder, it must then be tested, to make sure that it is producing the desired frequency.

When the quartz crystal is being used in an application, it is often placed between two metal plates. This ensures that the energy from the crystal is kept concentrated within the crystal, without it dissipating into the surrounding environment. It also helps to prevent interference from external sources. The frequency of the crystal is then adjusted by tuning the trim potentiometers.

445A25B20M00000 crystals can be used for a variety of applications, including in computers and watches. They can also be used in radio receivers, television sets, and other types of communication equipment. They are also used in stability control systems, and in precision measuring devices. In addition, these crystals can also be used in frequency multipliers, filters, and as oscillators in antennas and amplifiers.

In conclusion, 445A25B20M00000 crystals are a type of quartz crystal, used in many consumer electronic devices. They are composed of high-purity quartz, which is cut in a specific pattern in order to obtain the desired frequency. The frequency is then adjusted using trim potentiometers. These crystals have a variety of applications, and can be used in computers, watches, radios, television sets, and other types of communication equipment.

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