416F271XXCTR

Series:	416
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	MHz Crystal
Frequency:	27.12MHz
Frequency Stability:	±15ppm
Frequency Tolerance:	±15ppm
Load Capacitance:	6pF
ESR (Equivalent Series Resistance):	200 Ohms
Operating Mode:	Fundamental
Operating Temperature:	-20°C ~ 70°C
Ratings:	--
Mounting Type:	Surface Mount
Package / Case:	4-SMD, No Lead
Size / Dimension:	0.063" L x 0.047" W (1.60mm x 1.20mm)
Height - Seated (Max):	0.018" (0.45mm)

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Introduction to Crystals

Crystals have been a part of human life since ancient times, yet they remain mysterious and the source of wonder and fascination. The term “crystal” is generally used to describe a solid form of material consisting of highly ordered molecules. These molecules can range from as few as a few dozen to as many as several billion. The molecules are arranged in a regular, symmetrical arrangement that gives the material a specific geometric shape when an electric field is applied. Crystals can either be naturally occurring, synthetically created, or the result of a combination of the two.

Types of Crystals

Crystals can be found in many forms, such as quartz, sapphire, diamond, and even silicon. Each type of crystal has unique properties, including how they respond to heat and electricity. The most common type of crystal is quartz, which is a crystalline form of silicon dioxide (SiO2), and can be found in many shapes and sizes. Quartz crystals can be divided into many varieties, including piezoelectric, nonpiezoelectric, and electro-optical.Piezoelectric crystals are crystals that create an electric current in response to mechanical stress. This is due to the atoms in the crystal being arranged in a very specific lattice structure, which allows the application of a voltage across its surfaces to create a piezoelectric effect. Examples of piezoelectric crystals include quartz, tourmaline, and calcite.Nonpiezoelectric crystals do not create an electric current in response to mechanical stress, but can still be used for applications where a voltage needs to be applied. Examples of nonpiezoelectric crystals include quartz, feldspar, and silica.Electro-optical crystals are crystals that produce light at various wavelengths depending on the voltage applied. Examples of these include gallium arsenide, gallium nitride, and lithium niobate.

416F271XXCTR Application Field and Working Principle

The 416F271XXCTR series oscillator is an SMD (surface mount device) crystal oscillator designed for use in a wide variety of applications including cellular phones, wireless LANs, set-top boxes, and other consumer electronics. The 416F271XXCTR series has a frequency accuracy of ±50pppm and is available in frequencies from 8MHz to 16MHz.The 416F271XXCTR series utilizes a quartz crystal to produce a timing signal for use in digital clock generation and timing recovery circuits. Its working principle is based on a phenomenon known as “quartz piezoelectricity.” Quartz is a crystalline mineral composed of silicon and oxygen atoms, arranged in an orderly structure. When an electric field is applied to the quartz crystal, the structure of the crystal changes in a predictable and reproducible manner, causing it to vibrate at a specific frequency. The 416F271XXCTR series utilizes this phenomenon to generate a clock signal with a very accurate frequency.

Conclusion

Crystals have long been used in electronics as they offer a reliable and accurate source of timing and frequency reference. The 416F271XXCTR series oscillator is a surface mount crystal that is designed to provide an accurate and reliable clock signal in a variety of applications. This crystal utilizes the phenomenon of quartz piezoelectricity to generate a clock signal at a very accurate frequency.

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