ECS-122.8-20-20A-TR

Series:	CSM-8
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	MHz Crystal
Frequency:	12.288MHz
Frequency Stability:	±50ppm
Frequency Tolerance:	±30ppm
Load Capacitance:	20pF
ESR (Equivalent Series Resistance):	60 Ohms
Operating Mode:	Fundamental
Operating Temperature:	-10°C ~ 70°C
Ratings:	--
Mounting Type:	Surface Mount
Package / Case:	2-SMD, No Lead
Size / Dimension:	0.276" L x 0.197" W (7.00mm x 5.00mm)
Height - Seated (Max):	0.067" (1.70mm)

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Crystals: ECS-122.8-20-20A-TR Application Field and Working Principle
Crystals are amongst the most reliable and robust means of providing frequency and time reference signals in electronics and telecommunications equipment. Moreover, this type of component offers the possibility of controlling output frequencies over a wide frequency range with extremely high precision. Crystals come in various shapes, sizes and capacitances, and can be widely applied in a range of industrial, military, and consumer equipment and applications. One such crystal is the ECS-122.8-20-20A-TR.
The ECS-122.8-20-20A-TR is a quartz crystal oscillator typically used in timers, electronic watches, precision clock frequency division, power supplies and consumer products. It is characterized by its extremely stable output frequency and low cost. The crystal has a frequency of 122.8 kHz—the highest operating frequency of any common crystal—and is available in both through hole and surface mount packaging. The through hole version has a lead pitch of 25 mils with five connections, whereas the surface mount version has 10 connections.
The ECS-122.8-20-20A-TR relies on a key principle of piezoelectricity—namely, it converts electrical energy into mechanical vibrations. Piezoelectric crystals are made from materials such as quartz, lithium niobate, or tourmaline. These crystals have the ability to vibrate in response to an applied electrical field, and the frequency at which they vibrate depends mainly on the crystal\'s physical parameters. A quartz crystal is a piezoelectric device, and consists of two plates of quartz separated by a metal layer. When an AC voltage is applied to this metal layer, the crystal vibrates at its natural frequency—which depends on its structure and physical size. This vibration produces a harmonic wave whose frequency is determined by the quartz\'s structure and physical size.
The ECS-122.8-20-20A-TR is typically used in frequency synchronization applications, where it can be used as a highly accurate time reference. The crystal is used to maintain frequency accuracy, as it will vibrate at a very constant frequency over a wide range of environmental conditions. This makes it a very reliable time reference, and it is widely used in precision timing applications such as clocks, watches, and consumer electronics.The ECS-122.8-20-20A-TR is used to provide frequency and timing reference signals in a wide range of industrial, military, and consumer applications. It is popular in precision timing applications because it provides an extremely stable output frequency over a wide range of environmental conditions. The crystal is also proven to be highly cost-effective, making it an ideal choice for many industries and applications. Furthermore, the crystal\'s high frequency of 122.8 kHz ensures that it will provide ultra-precise timing signals.

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