FCR4.19M5

Series:	FCR
Packaging:	Bulk
Part Status:	Obsolete
Type:	Ceramic
Frequency:	4.19MHz
Frequency Stability:	±0.3%
Frequency Tolerance:	±0.5%
Features:	--
Impedance:	20 Ohms
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Through Hole
Package / Case:	Radial - 2 Lead, 5.00mm Pitch
Size / Dimension:	0.374" L x 0.197" W (9.50mm x 5.00mm)
Height:	0.256" (6.50mm)

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Resonators

FCR4.19M5 Application Field and Working Principle

FCR4.19M5 is a type of resonator manufactured by FCR Corp., a company founded in Japan in 1919. This type of resonator is based on the theory of resonance and consists of a single activated crystal. It is mainly used for frequency devices such as oscillators and filters.Resonance is the phenomenon in which a system or a body has an ability to vibrate efficiently in response to an alternating current or a force applied to it. Resonators, like FCR4.19M5, use this principle to vibrate efficiently at a predetermined frequency. The FCR4.19M5 Resonator is a frequency-controllable device, containing a crystal as the main component. It is composed of two electrodes and a ground connection to enhance its frequency controlling properties. The crystal is set in a metal holder and surrounded by a high pass filter and a low pass filter. This device also has a ferrite core coil that is used to reduce high frequency current.In operation, an alternating voltage is applied to the crystal, which causes it to vibrate at its resonant frequency. The resonance mode of vibration is determined by the material and structure of the crystal, as well as the external components of the resonator. In the case of FCR4.19M5, the external components are the high pass filter, the low pass filter, and the ferrite core coil. As a result, the resonator vibrates at a predetermined frequency, providing a stable frequency signal for frequency-controlled devices such as oscillators and filters.Due to its frequency-controlling properties, FCR4.19M5 resonator has many applications, including but not limited to: mobile phones, pagers, modems, receivers, digital-analog converters, communication, and navigation systems. It is an essential component of frequency-controlled devices, and provides a means to keep the oscillator’s frequency stable and accurate.In conclusion, the FCR4.19M5 resonator is an essential component of frequency-controlled devices and works on the principle of resonance. The resonance mode of vibration is determined by the material and structure of the crystal, as well as the external components of the resonator. Its frequency-controlling properties are essential to ensure stable and accurate operation of various frequency-controlled applications ranging from mobile phones, to pagers, and modems.

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