AH-32.768KBZF-T Crystals, Oscillators, Resonators

Series:	AH
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	kHz Crystal (Tuning Fork)
Frequency:	32.768kHz
Frequency Stability:	--
Frequency Tolerance:	±50ppm
Load Capacitance:	12.5pF
ESR (Equivalent Series Resistance):	70 kOhms
Operating Mode:	Fundamental
Operating Temperature:	-40°C ~ 85°C
Ratings:	AEC-Q200
Mounting Type:	Surface Mount
Package / Case:	2-SMD, No Lead
Size / Dimension:	0.126" L x 0.061" W (3.20mm x 1.50mm)
Height - Seated (Max):	0.033" (0.85mm)

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Crystals: AH-32.768KBZF-T Application Field and Working Principle

Crystals, including AH-32.768KBZF-T models, are small quartz-based materials that are used to create an oscillation circuit to provide an electrical signal at a precisely known frequency. Applications of crystals vary greatly, ranging from wireless network communications to automotive devices, from wearables to high-end medical imaging devices. AH-32.768KBZF-T crystals are a type of parallel resonant crystal. This type of crystal is widely used for timing devices and radio frequency applications, such as clock synchronization and data transmission in wireless systems. In automotive and other systems, AH-32.768KBZF-T crystals are also used in frequency stability applications, such as frequency counters and frequency synthesizers. These crystals are sometimes referred to as surface mount technology (SMT) crystals, because they are designed to be mounted onto miniature circuitry.The AH-32.768KBZF-T crystal is designed particularly with small low-power devices in mind. It is a miniature 4mm x 3.2mm crystal with a ferrite core and a frequency tolerance of Type B ±15ppm. It has a frequency of 32.768KHz and a load capacitance of 12.5p to 33pF. This crystal is rated for operating temperature ranges of -40°C to +85°C and a maximum frequency aging rate of ±3 ppm/yr.The basic working of the AH-32.768KBZF-T crystal is based on piezoelectric effect, where a voltage is produced when a mechanical force is applied on a quartz crystal due to the presence of charges on the surface of the crystal. This voltage is then amplified and rectified to create a DC signal, which is an oscillatory electrical signal. The AH-32.768KBZF-T crystal uses a pair of electrodes to form an oscillator. When an alternating current is applied, the operating plan of the crystal is determined by its electrical and mechanical characteristics. Depending on the size, shape and material of the quartz crystal, the resonance frequency of the crystal oscillator is determined. The load capacitance is also important, as it influences the frequency of the oscillator and improves the stability of the oscillator’s output signal. The electrodes on the crystal form the rectifying circuit which when used with the correct load capacitance creates a square wave electrical signal. In conclusion, the AH-32.768KBZF-T crystal is a miniaturized quartz crystal with a frequency of 32.768KHz and a load capacitance of 12.5p to 33pF. It is widely used for radio frequency applications and clock synchronization. Its basic working is based on piezoelectric effect and uses a pair of electrodes to form an oscillator. With its small size, low power consumption and high frequency stability, the AH-32.768KBZF-T crystal is an ideal choice for a wide range of applications.

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