445C33E12M00000 Allicdata Electronics
Allicdata Part #:

445C33E12M00000-ND

Manufacturer Part#:

445C33E12M00000

Price: $ 0.27
Product Category:

Crystals, Oscillators, Resonators

Manufacturer: CTS-Frequency Controls
Short Description: CRYSTAL 12.0000MHZ 20PF SMD
More Detail: 12MHz ±30ppm Crystal 20pF 50 Ohms 2-SMD, No Lead
DataSheet: 445C33E12M00000 datasheet445C33E12M00000 Datasheet/PDF
Quantity: 1000
1000 +: $ 0.23814
Stock 1000Can Ship Immediately
$ 0.27
Specifications
Series: 445
Packaging: Tape & Reel (TR) 
Part Status: Active
Type: MHz Crystal
Frequency: 12MHz
Frequency Stability: ±30ppm
Frequency Tolerance: ±30ppm
Load Capacitance: 20pF
ESR (Equivalent Series Resistance): 50 Ohms
Operating Mode: Fundamental
Operating Temperature: -20°C ~ 70°C
Ratings: --
Mounting Type: Surface Mount
Package / Case: 2-SMD, No Lead
Size / Dimension: 0.197" L x 0.126" W (5.00mm x 3.20mm)
Height - Seated (Max): 0.053" (1.35mm)
Description

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Crystals are some of the most interesting and reliable materials in electronics. Although they’re often thought of as the basis of timekeeping, they can be found in many computer, radio and telecommunications circuits, serving many essential functions. The 445C33E12M00000 crystal is one particularly important example.

Crystals like the 445C33E12M00000 fall into a category known as 3.3volt, and are used in a variety of applications. Many microcontrollers, for instance, use an oscillator circuit that requires an accurate clock signal at regular intervals. By connecting a 3.3volt crystal to the circuit, the microcontroller can count the clock pulses and run the rest of the circuitry accordingly.

Another use for 3.3volt crystals is the generation of digital pulses for television transmissions. By connecting a 3.3volt crystal, such as the 445C33E12M00000, to a transmitter, the pulses can be sent at regular intervals and produce a stronger signal. This is essential for sending coherent television signals over long distances, broadcasting them further and more reliably than otherwise possible with lower-powered transmitters.

At the heart of a 3.3volt crystal like the 445C33E12M00000 is the piezoelectric effect. It was discovered that certain materials, such as quartz, create a voltage in response to mechanical pressure. When the pressure is reversed, an electric current is created that can be used to simulate periodic mechanical movements, such as vibrating or swinging. These oscillations can be converted into digital signals or used to power a circuit, making them extremely useful in electronic circuits.

To better understand the piezoelectric effect, it helps to think of a 3.3volt crystal like the 445C33E12M00000 as a tiny lever. The lever is held in place by a small voltage, and when it’s moved, it will vibrate or “ring” at a specific frequency that is determined by the crystal’s size and the voltage used to hold it in place. By tapping into the voltage, circuits can determine the frequency of the crystal, thus enabling them to be used as accurate clocks.

Apart from the piezoelectric effect, the physical properties of crystals also make them reliable sources of frequency signals. The crystals can be hermetically sealed, so they won\'t suffer corrosion, and their crystal structures don\'t suffer any drift over long periods of time, which ensures their accuracy remains unchanged.

Crystals, like the 445C33E12M00000, are used in a variety of electronic circuits and systems, from clocks and watches to computers and television transmitters. By taking advantage of the piezoelectric effect and the physical properties of crystals, they can create accurate, stable frequency signals that are essential to the successful operation of many devices.

The specific data is subject to PDF, and the above content is for reference

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