HCM496144000BAJT

Series:	HCM49
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	MHz Crystal
Frequency:	6.144MHz
Frequency Stability:	±30ppm
Frequency Tolerance:	±50ppm
Load Capacitance:	18pF
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 and the HCM496144000BAJT Application Field and Working Principle

Crystals, including the HCM496144000BAJT, are used as precise timing sources in a wide range of electronic applications. Because of the extreme accuracy and stability of the crystal, the HCM496144000BAJT in particular, these components are probably the most reliable time-keeping devices in existence.Crystals are composed of an ionic material such as quartz and act as electrical resonators that oscillate at a very precise frequency. In the case of the HCM496144000BAJT crystal, the frequency of oscillation is 14.7456 megacycles. This frequency is either derived from the quartz material itself or amplified and controlled by an overtone process.The working principle of the HCM496144000BAJT crystal is simple but effective. It uses two metal plates connected to a quartz crystal, which act together to form an oscillator. When an electrical signal is applied to the two plates, a mechanical motion is created between them which resonates in the quartz crystal. This causes a piezoelectric effect which vibrates the crystal at its precise oscillation frequency, which is known as its resonant frequency. This stable frequency is then adjusted to the required frequency for the application.The application of crystals such as the HCM496144000BAJT is varied, with examples including various consumer electronics, military and communication applications, watches, and computer systems. Crystals are used as timing sources for synchronization and frequency control in these types of systems and for many other applications.In consumer applications, crystal oscillators are used to control the frequency of the sound from music players, such as t-taps and players, as well as digital recorders, such as those used in computer systems. The signals emitted from the crystals are adjusted and manipulated to produce fundamental frequency components that form the sound heard.In military and communication systems, crystals are used to control the frequency of radio signals sent in transmission and to synchronize various communication devices. This ensures that signals sent over great distances will not be affected by instability due to environmental changes.Watches also employ crystals to produce an accurate timing signal. The crystal oscillator in a timepiece is responsible for keeping time accurate regardless of the environmental conditions, and some higher-end watches also making use of a high accuracy quartz crystal such as the HCM496144000BAJT.Finally, in computer systems, the crysta oscillator is used in the CPU clock to control the speed of the processor, as well as the synchronization of different buses and peripherals on the system. It also ensures that the processing speed will remain consistent regardless of external influences such as variations in temperature.Overall, the HCM496144000BAJT crystal is an incredibly versatile and reliable timing source for a wide range of applications and is likely to remain a staple of the electronics industry for a long time to come.

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