402F37412ILR

Crystals are used in many applications and electronic circuits, amongst them frequency control, oscillators and filters. One example is the 402F37412ILR. This crystal is a Quartz Crystal FT-MEMS (Quartz CMEMS), packaged in a 4-pad 3.2 x 2.5 mm SMD case. It is a small, lightweight, low-cost solution for timing, frequency control and resonance applications.

Quartz crystals like the 402F37412ILR are an arrangement of atoms in a lattice structure that vibrates at a very precise frequency, when an AC voltage is applied across its electrodes. The electrical energy applied to the crystal is converted to mechanical energy, driving the crystal to vibrate at its natural frequency or resonant frequency. It is this frequency that is used in timekeeping and RF applications.

The 402F37412ILR has a wide operating temperature range between -40°C and +85°C, and a load capacitance of 10pF. It has an extremely low current consumption in the range of 0.1 to 0.25mA. The crystal’s frequency tolerance is typically ±3ppm (parts-per-million) for tight frequency control and low phase noise requirements.

The 402F37412ILR is widely used in consumer electronics for its low size, low cost and low power consumption. Examples include LCD TVs, DECT phones, remote control devices, portable media players, and PDA’s. It is also used in PC system clocks, microcontrollers, high frequency oscillators and RF transmitter circuits.

The 402F37412ILR’s frequency control and resonance capability make it useful in oscillator and filter applications. It can be used to drive resonant tank circuits in a wide variety of communication applications such as frequency modulation, phase-shift keying, spread-spectrum transmission, and direct frequency-hopping modulation.

In summary, the 402F37412ILR crystal is a small, lightweight, low-cost solution for timing, frequency control and resonance applications in consumer electronics, PCs, microcontrollers, and RF circuits. Its precise frequency control and low current consumption make it an attractive choice for oscillator and filter applications.