445C32E12M00000 Allicdata Electronics
Allicdata Part #:

445C32E12M00000-ND

Manufacturer Part#:

445C32E12M00000

Price: $ 0.37
Product Category:

Crystals, Oscillators, Resonators

Manufacturer: CTS-Frequency Controls
Short Description: CRYSTAL 12.0000MHZ 20PF SMD
More Detail: 12MHz ±30ppm Crystal 20pF 50 Ohms 2-SMD, No Lead
DataSheet: 445C32E12M00000 datasheet445C32E12M00000 Datasheet/PDF
Quantity: 1000
1000 +: $ 0.34020
Stock 1000Can Ship Immediately
$ 0.37
Specifications
Series: 445
Packaging: Tape & Reel (TR) 
Part Status: Active
Type: MHz Crystal
Frequency: 12MHz
Frequency Stability: ±20ppm
Frequency Tolerance: ±30ppm
Load Capacitance: 20pF
ESR (Equivalent Series Resistance): 50 Ohms
Operating Mode: Fundamental
Operating Temperature: -20°C ~ 70°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)
Description

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Crystals are a class of mechanical, electrical, and optical components used in a multitude of electronic applications. A particular type of crystal, 445C32E12M00000, is widely used in fast switching circuits and radio frequency (RF) communications in both consumer and professional applications. This article will cover the application field of such crystals and the working principle that allows them to be used in such a wide array of applications.

Application Field

The 445C32E12M00000 crystal is one of the most popular crystals of its type due to its ability to provide a relatively stable frequency source despite temperature and power supply fluctuations. It is preferred in applications that require an accurately timed clock signal that can be reset quickly, such as in digital circuits. In these applications, the crystal is connected to an oscillator circuit which generates the clock signal using the crystal as a reference. This oscillator circuit provides a signal with a specific frequency, often one that is related to the reference crystal\'s frequency.

In addition to digital circuits, 445C32E12M00000 crystals are also used in RF applications, such as cellular and Wi-Fi base stations and computer networking. This crystal type is extremely versatile and can be customized for a range of frequencies to meet specific application requirements. Some RF applications require ultra-low jitter and extreme temperature stability, and in these cases, the 445C32E12M00000 type is perfect. Other applications, such as GPS and military uses, also benefit from the extremely accurate frequency provided by these crystals.

Working Principle

The 445C32E12M00000 crystal is part of a class of crystals known as AT cut crystals. Such crystals are composed of layers of quartz that have been precisely cut at specific angles to establish a “piezo-electric” effect. When voltage is applied to opposite sides of the crystal, it deforms slightly, generating an alternating current (AC) signal at the same frequency as the applied voltage. This AC signal is then amplified and conditioned, and can be used as a source of timing in electronic circuits.

Typically, this crystal type is connected to an oscillator circuit that is tuned to the reference frequency of the crystal. This oscillator circuit then feeds into a buffer (transformer) which is used to amplify the signal and provide even distribution to clocks and other devices that require an accurate and stable reference frequency. By utilizing such a circuit, the crystal can be used to provide a precise frequency across a wide range of operating conditions, including circuit loading and varying power supply and temperature.

Conclusion

The 445C32E12M00000 crystal is an extremely versatile component that is used in a wide range of digital and radio frequency applications. Its excellent stability and accuracy are made possible by its unique “AT cut” composition, which creates a piezo-electric effect when subjected to an alternating current. This effect is then utilized in a specialized oscillator circuit that amplifies and distributes the accurate timing signal across devices requiring it. As such, this component is perfectly suited for applications that require an accurately timed reference clock signal.

The specific data is subject to PDF, and the above content is for reference

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