HC-49/U-S48000000ABKB

Series:	HC-49/U-S
Packaging:	Bulk
Part Status:	Active
Type:	MHz Crystal
Frequency:	48MHz
Frequency Stability:	±50ppm
Frequency Tolerance:	±30ppm
Load Capacitance:	20pF
ESR (Equivalent Series Resistance):	100 Ohms
Operating Mode:	3rd Overtone
Operating Temperature:	-10°C ~ 60°C
Ratings:	--
Mounting Type:	Through Hole
Package / Case:	HC-49/US
Size / Dimension:	0.453" L x 0.183" W (11.50mm x 4.65mm)
Height - Seated (Max):	0.138" (3.50mm)

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Crystals

HC-49/U-S48000000ABKB is a type of quartz crystal that is installed and used as a frequency controlled oscillator in electronic devices. It is often used in radio and mobile communication, digital receivers and embedded devices. The frequency and stability is determined by the cut of the quartz crystal, and so various crystal oscillator products are available to meet specific requirements of various users.The crystal oscillator works by vibration. The quartz crystal operates by an applied electrical field, which has an influence on the crystal plate’s vibrations. This type of crystal oscillator will be used in applications that require a precise timing reference, such as for radio communication, clocking micro-processors and watches. The oscillator frequency accuracy is closely related to its temperature coefficient.The specific qualities of the HC-49/U-S48000000ABKB make it suitable for many applications. It has a frequency of 48MHz, a frequency tolerance of ±50ppm, and a temperature range of -20 to +70 degrees Celsius. This crystal has a very low series resistance of 20Ω max and a shunt capacitance of 30pF max, which give it good cooling properties. Its relatively small size makes it suitable for embedding and its good environmental properties make it useable in many types of applications.In general, quartz crystal oscillators are made up of two main components. The metal case encloses the crystal unit and the oscillator circuit. The quartz crystal unit is an integral part of the oscillator circuit and consists of two electrodes connecting to two quartz plates. The quartz plates are cut to exact shape and size. The cut determines the frequency of the crystal oscillator.The quartz crystal is held in a parallel direction between two electrodes. A thin layer of gold is deposited on the electrodes, which form electrical contacts with the quartz plates. The quartz crystal is vibrated by the alternating current from the oscillator circuit. The frequency of a quartz crystal oscillator is determined by the size, shape and thickness of the quartz plates, along with the oscillator circuit.The HC-49/U-S48000000ABKB quartz crystal is widely used in radio mobile communication, radar transponders, DAB receivers and radio data transmission. This crystal oscillator also offers superior performance in embedded electronic systems as it is able to withstand a range of temperatures and humidity levels. Furthermore, it is also compact, stable and has a wide range of frequency accuracies.In conclusion, the HC-49/U-S48000000ABKB quartz crystal is one of the most common crystals used in digital electronics and embedded devices. Its wide operations range and its size make it suitable for different applications, such as radio mobile communication, embedded systems and others. The crystal’s frequency is variable depending on the cut of the quartz plates and the oscillator circuit, which makes it easy to adjust to different requirements.

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