ECS-120-18-4XEN

Series:	HC-49USX
Packaging:	Bulk
Part Status:	Active
Type:	MHz Crystal
Frequency:	12MHz
Frequency Stability:	±50ppm
Frequency Tolerance:	±30ppm
Load Capacitance:	18pF
ESR (Equivalent Series Resistance):	60 Ohms
Operating Mode:	Fundamental
Operating Temperature:	-40°C ~ 85°C
Ratings:	--
Mounting Type:	Through Hole
Package / Case:	HC-49/US
Size / Dimension:	0.447" L x 0.183" W (11.35mm x 4.65mm)
Height - Seated (Max):	0.138" (3.50mm)

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Crystals and Application Field of ECS-120-18-4XEN

Crystals are found in a number of industries, from electrical engineering to medicine. In electrical engineering, crystals are used for oscillators and transducers, which are components that convert energy from one form to another. In the case of the ECS-120-18-4XEN crystal, it is an oscillator made from ceramic that is used in the automotive, industrial and consumer electronics industries.The ECS-120-18-4XEN crystal is made from quartz ceramic, an electrically insulating material characterized by its high dielectric constant and low conductivity. It is used to provide frequency control and high stability over a wide temperature range.The ECS-120-18-4XEN crystal consists of two electrodes embedded on the surface of the quartz ceramic. The electrodes are connected to a frequency control circuit, which is a bridge circuit composed of two resistors and two capacitors. When a voltage is applied to the crystal, it oscillates at a fixed frequency given by the reference oscillator.When an electrical signal is applied to the electrodes, the quartz crystal vibrates at its resonant frequency. This oscillation generates a relatively steady-state electrical signal that is then used to control the frequency of the output signal. The output frequency is typically several times the resonant frequency of the crystal, and the accuracy of this is controlled by the bridge circuit connected to the crystal.The accuracy of the ECS-120-18-4XEN crystal also depends on its temperature stability. The temperature coefficient of the crystal is usually specified in parts per million/degree Celsius (ppm/C). A temperature coefficient that is too large can cause significant frequency errors. To ensure that the crystal operates within the limits of its temperature range, the device is soldered into a metal or ceramic case.The ECS-120-18-4XEN crystal is typically used in automotive, industrial and consumer electronics applications. In automotive applications, the crystal is used for timing in the fuel injection system and brake lights. In industrial applications, it is used for industrial automation and microcontroller-based processes. In consumer electronics, it is used in battery-powered portable audio devices and telecoms applications.The ECS-120-18-4XEN crystal has a wide range of operating temperature (-40°C to +85°C) as well as high stability and accuracy. Because of its wide temperature range, the crystal is well-suited for use in harsh environmental conditions. The strong ceramic construction of the crystal also makes it resistant to shock and vibration. It is an ideal choice when the highest precision and robustness is required in electronic devices.

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