FL3740015

Series:	SaRonix-eCera™ FL
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	MHz Crystal
Frequency:	37.4MHz
Frequency Stability:	±15ppm
Frequency Tolerance:	±10ppm
Load Capacitance:	16pF
ESR (Equivalent Series Resistance):	40 Ohms
Operating Mode:	Fundamental
Operating Temperature:	-40°C ~ 85°C
Ratings:	--
Mounting Type:	Surface Mount
Package / Case:	4-SMD, No Lead
Size / Dimension:	0.126" L x 0.098" W (3.20mm x 2.50mm)
Height - Seated (Max):	0.030" (0.75mm)

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Crystals - FL3740015 Application Field and Working Principle

Crystals are an essential component across numerous systems and applications, as they act as the foundation of time and frequency measurements, generating precise timing signals. A typical quartz crystal, such as the FL3740015, is made of tiny quartz crystals cut in a precise shape and size. The FL3740015 crystal oscillator is a low power, very stable, low-noise component often used in various industrial and consumer applications, from communication equipment to machines.

What Is the FL3740015 Crystal?

The FL3740015 is a miniature, low-power, low-cost surface-mount ceramic ladder-type quartz crystal which combines outstanding stability and low noise performance in an ultraminiature package. This crystal oscillator measures 4.1mm by 3mm and is designed to be applied to electronics with minimal space requirements. This crystal oscillator is operated over a commercial temperature range with a wide range of supply voltages.

Application Field

In consumer electronics, the FL3740015 crystal oscillator is often used to generate precise frequency reference signals used in wireless communication equipment and operating systems. Apart from consumer electronics, this crystal oscillator can also be found in intelligent electronic equipment and automotive electronics, used in a broad range of applications such as motor control, fuel injection, airbag control, switched-mode power supplies, and navigation systems.

Working Principle

The working principle of the FL3740015 crystal oscillator relies on its physical composition of quartz crystals. The quartz crystal is made up of tiny crystal platelets cut in a suitable shape and size, for example, the ‘ladder’ shape of the FL3740015 makes its assembly very convenient for small consumer electronics. It also has a high electromechanical coupling coefficient.When an electric signal is applied to the crystal, it vibrates at a specific rate due to the piezoelectric property of quartz. This rate is known as the crystal’s resonance frequency. When the frequency of the applied signal is equal to the resonance frequency of the crystal, the crystal oscillates at its maximum amplitude and the quartz crystal oscillator produces an output signal. The frequency of output signal depends on the specific quartz used in the crystal oscillator. By driving the crystal oscillator with an external signal of the specified frequency, the oscillator can be forced to vibrate at that frequency, maintaining a steady output signal with very high precision. The stability of a crystal oscillator is determined by the quality and type of quartz used in the crystal. The FL3740015 is made from very high quality quartz crystals, giving it excellent stability and low noise performance even over a wide temperature range. Its built-in temperature compensator and low power consumption also make it suitable for use in consumer electronics.

Conclusion

The FL3740015 quartz crystal is an excellent low-cost, low-power, and small surface-mount quartz crystal oscillator. Its application fields include consumer electronics, intelligent electronic equipment, and automotive electronics. Its working principle relies on the piezoelectric property of quartz crystals, in which an electrical signal of the specified frequency is applied to the crystal, causing it to vibrate at a specific frequency. The FL3740015 uses very high quality quartz crystals and has built-in temperature compensator to improve its stability and accuracy.

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