ECS-250-18-18-TR

Series:	CSM-12
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	MHz Crystal
Frequency:	25MHz
Frequency Stability:	±100ppm
Frequency Tolerance:	±30ppm
Load Capacitance:	18pF
ESR (Equivalent Series Resistance):	40 Ohms
Operating Mode:	Fundamental
Operating Temperature:	-40°C ~ 85°C
Ratings:	--
Mounting Type:	Surface Mount
Package / Case:	4-SMD, No Lead
Size / Dimension:	0.465" L x 0.217" W (11.80mm x 5.50mm)
Height - Seated (Max):	0.098" (2.50mm)

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Crystals: ECS-250-18-18-TR Application Field and Working Principle Crystals are important components in many kinds of electronic equipment. This type of quartz crystal is mainly used in oscillator circuits, resonator circuits and clock circuits, and usually used together with an oscillator circuit to realize frequency control and precision transmission of waveform signals. With its small size and low price, ECS-250-18-18-TR crystal (ECS-250-18-18-TR) is a preferred crystal choice for designers.Application Field ECS-250-18-18-TR, a crystal having a frequency range from 10 to 250 MHz and an oscillator power of 18.00 MHz, is widely used in different types of electronic equipment, such as radio communication systems, telecommunication systems, instrumentation equipment, digital access equipment, PC motherboards, digital audio players and modems. In addition, the crystal can also be used in the implementation of the frequency control of the system, such as the clock signal generator, central processing unit and the various timer circuits.Working Principle ECS-250-18-18-TR crystals are mainly used in resonator circuits and oscillator circuits, which are composed of the equivalent circuit elements of the crystal, including inductance, capacitance and resistance. This crystal has precise frequency characteristics and its resonant frequency, equivalent series resistance and equivalent series inductance are printed on the part or indicated by the manufacturer.In order to make the most of the crystal’s performance, the equivalent circuit elements should be as ideal as possible and as precise as possible. First, the equivalent series resistance of the crystal should be as small as possible, because a large equivalent series resistance will cause the resonance frequency to become inaccurate. Second, the equivalent series capacitance of the crystal should be as ideal as possible, which ensures that the inductive reactance of the crystal is low and the series resonance is the ideal state.In addition, the equivalent inductance of the crystal should be as ideal as possible and as precise as possible. This is because an ideal equivalent inductance can make the resonance frequency of the crystal as precise as possible and as stable as possible, so that it can ensure the accurate transmission of the signal.To get the most out of the performance of the ECS-250-18-18-TR crystal, design engineers should consider the equivalent components of the circuit and the resonance frequency when selecting the component values for the circuit. In addition, the crystal circuit design should also take into account other factors such as power consumption and oscillation stability.Hopefully, this article has given a basic understanding of the ECS-250-18-18-TR crystal and its application field and working principle. It is a crucial component in various types of electronic equipment and if used correctly, it can help to ensure the stability of the equipment and the accuracy of its frequency control.

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