HCM497372800ABKT

Series:	HCM49
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	MHz Crystal
Frequency:	7.3728MHz
Frequency Stability:	±50ppm
Frequency Tolerance:	±30ppm
Load Capacitance:	20pF
ESR (Equivalent Series Resistance):	100 Ohms
Operating Mode:	Fundamental
Operating Temperature:	-10°C ~ 60°C
Ratings:	--
Mounting Type:	Surface Mount
Package / Case:	HC-49/US
Size / Dimension:	0.449" L x 0.190" W (11.40mm x 4.83mm)
Height - Seated (Max):	0.169" (4.30mm)

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Crystals are a special type of solid material composed of an orderly network of atoms, molecules and/or ions, usually arranged in a repeating three-dimensional pattern. They have many applications including oscillators, amplifiers and filters, which are all types of active components used in communication and control systems.One of the most common types of crystals used in communication and control systems is the HCM497372800ABKT crystal. This is a temperature compensated crystal oscillator (TCXO) with a fundamental frequency of 12.80 MHz and a maximum frequency error of 0.3 ppm over the temperature range of -20 to +70 degrees Celsius. The HCM497372800ABKT crystal is primarily used in timing applications, as oscillators and clock sources. It is suitable for oscillators in communication and control systems, such as mobile phones, base stations, routers, and similar devices. As well as this, the HCM497372800ABKT crystal can be used in frequency synthesizers and precision temperature sensors in medical or industrial process control applications.Because the HCM497372800ABKT crystal has a low frequency error over a wide temperature range, it is ideal for applications that require high accuracy and stable performance. Its low cost and small size also make it suitable for space-constrained applications.The HCM497372800ABKT crystal works by using a mechanical coupling between two crystal plates to achieve its oscillatory motion. The crystal is made of quartz, which is a piezoelectric material. This means that when an electric field is applied to the plates, they physically shift, creating a force on the quartz. This force causes the quartz to vibrate at its natural frequency, known as the "resonant frequency".The mechanical coupling between the two plates also produces a pressure wave in the quartz which can be used to make the quartz vibrate at multiple frequencies. The resonant frequency of the crystal is determined by its physical structure - the thickness and width of the crystal plates, and the distance between them. The frequency of the crystal can be precisely controlled by changing the shape and size of the components in the crystal oscillator.The main advantage of using an HCM497372800ABKT crystal is that its frequency can be accurately set and maintained over a wide temperature range. Its low frequency error and its small size make it an ideal candidate for timing applications in communication and control systems.

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