FA-238 18.0000MD-K0

Series:	FA-238
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	MHz Crystal
Frequency:	18MHz
Frequency Stability:	±30ppm
Frequency Tolerance:	±30ppm
Load Capacitance:	10pF
ESR (Equivalent Series Resistance):	80 Ohms
Operating Mode:	Fundamental
Operating Temperature:	-20°C ~ 70°C
Ratings:	--
Mounting Type:	Surface Mount
Package / Case:	4-SMD, No Lead
Size / Dimension:	0.126" L x 0.098" W (3.20mm x 2.50mm)
Height - Seated (Max):	0.028" (0.70mm)

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Crystals: FA-238 18.0000MD-K0 application field and working principle

Crystals are a type of solid that is composed of many basic building blocks arranged in a geometric pattern known as a lattice. Crystals have interesting properties that make them highly useful in many applications. FA-238 18.0000MD-K0 is one such crystal, and this article will discuss the application field and working principle of the FA-238 18.0000MD-K0 crystal.FA-238 18.0000MD-K0 is a quartz crystal manufactured by Gertsch Electronics. It is a double-sided crystal and is fabricated from a high-Q SC-cut quartz substrate. It has a guaranteed frequency stability of ±2.0ppm over operating temperature range of -40°C to +85°C and hermetically sealed in a package designed for high mechanical shock and vibration reliability.This crystal is generally used in tuning circuits, clocks, filters, oscillators and other circuits requiring very precise and stable oscillation frequencies. It is used in radio receivers, synthesizers, computer motherboards, telecommunication equipment and other electronic applications. The FA-238 18.0000MD-K0 is particularly useful in microprocessor-based applications.Now let’s understand the working principle of the FA-238 18.0000MD-K0 crystal. It is based on the piezoelectric effect- the vibration of a material when an electric current passes through it. Quartz crystal is one of the materials that exhibit this behavior. When an electric current is passed through a quartz crystal, it vibrates at its natural frequency. The frequency remains constant, regardless of environmental conditions.The FA-238 18.0000MD-K0 is an AT-cut crystal, which means that it has a down-cut angle of 15°. The AT-cut is used to reduce thermal drift. The 15° angle eliminates negative temperature coefficients, making it suitable for use in low-temperature applications.The FA-238 18.0000MD-K0 crystal has a frequency range of 18.0000 MHz with a tolerance of ±20ppm at 25°C. The crystal is designed to operate with a drive level of 100μW at 25°C. When used in oscillators, the crystal will provide a good sinusoidal waveform with minimal harmonic distortion.The FA-238 18.0000MD-K0 crystal is widely used in high-performance and high-stability electronic circuits. It is a reliable and cost-effective solution for tuning circuits and oscillators. The crystal’s high frequency stability and low temperature stability makes it ideal for applications in communications, navigation systems, and other demanding applications.In conclusion, the FA-238 18.0000MD-K0 crystal is a reliable and cost-effective solution for a wide range of electronic applications. It is based on the piezoelectric effect and has a frequency range of 18.0000 MHz and tolerance of ±20ppm at 25°C. It is suitable for use in low-temperature applications, and provides a good sinusoidal waveform with minimal harmonic distortion for use in oscillators.

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