9C-48.000MAAJ-T Crystals, Oscillators, Resonators

Series:	9C
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	MHz Crystal
Frequency:	48MHz
Frequency Stability:	±30ppm
Frequency Tolerance:	±30ppm
Load Capacitance:	18pF
ESR (Equivalent Series Resistance):	80 Ohms
Operating Mode:	3rd Overtone
Operating Temperature:	-20°C ~ 70°C
Ratings:	--
Mounting Type:	Surface Mount
Package / Case:	HC-49/US
Size / Dimension:	0.449" L x 0.189" W (11.40mm x 4.80mm)
Height - Seated (Max):	0.161" (4.10mm)

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Crystals: 9C-48.000MAAJ-T Application Field and Working Principle

Crystals are an essential component in electronic circuitry, both in terms of frequency control and timing in applications ranging from consumer electronics to military and aerospace. They are available in a number of frequencies, shapes, and sizes, and in many forms such as quartz crystals, ceramic resonators, and SAW devices.One of the crystals is 9C-48.000MAAJ-T. It is a SMD (Surface Mount Device) Crystal with a frequency of 48MHz. It is housed in a miniature 2-pin ceramic package with a total size of 6.20mm (length) x 1.45mm (width). It is ideal for aerospace and defense applications, where stringent specs may be required, such as high temperature and humidity, and vibration.The working principle of 9C-48.000MAAJ-T is based on mechanical resonance. It consists of a thin piece of piezoelectric material, such as quartz, which is connected to two electrically conductive electrodes. When an electric voltage is applied across these electrodes, it produces a mechanical tension in the quartz crystal, which vibrates at its fundamental frequency. This vibration is then amplified to provide an oscillating signal with a very stable and precise frequency. The 9C-48.000MAAJ-T crystal is primarily used for frequency control in oscillator circuits or timing circuits in aerospace applications. It has good shock and vibration resistance, low aging, and low power consumption making it suitable for airborne, space, and other harsh conditions. It also offers excellent frequency stability over a wide temperature range, with a typically low tolerance of ± 30ppm.In oscillator circuits, the 9C-48.000MAAJ-T is used to provide a precise, controlled frequency signal. It is typically connected between the ground and output terminals of the oscillator. The crystal is then driven at a very low current by an oscillator circuit, such as an LC (Inductor-Capacitor) tank circuit, producing a stable and precise output frequency.In timing circuits, the 9C-48.000MAAJ-T crystal is used to generate timed signals. It is usually connected to a timer circuit containing an oscillator stage and a divider chain. This circuit divides the frequency provided by the crystal, producing an output signal that has a precisely controlled period. These circuits are commonly used in applications such as GPS systems, radios and television sets, where accurate timekeeping is required.The 9C-48.000MAAJ-T is robust and reliable, with good frequency stability and vibration resistance. It is easy to design around, and the low power consumption makes it ideal for a wide range of aerospace and defense applications. This crystal provides reliable and precise frequency control, making it an ideal choice for timekeeping, oscillator, and frequency control applications.

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