405C11A40M00000

Series:	405
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	MHz Crystal
Frequency:	40MHz
Frequency Stability:	±10ppm
Frequency Tolerance:	±10ppm
Load Capacitance:	10pF
ESR (Equivalent Series Resistance):	50 Ohms
Operating Mode:	Fundamental
Operating Temperature:	-20°C ~ 70°C
Ratings:	--
Mounting Type:	Surface Mount
Package / Case:	4-SMD, No Lead
Size / Dimension:	0.197" L x 0.126" W (5.00mm x 3.20mm)
Height - Seated (Max):	0.039" (1.00mm)

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CrystalsCrystals play an important role in many industries and applications due to their ability to vibrate at particular frequencies and provide signals of an electronic device. One of the most commonly used crystals is the 405C11A40M00000, which is used to obtain precise time and date information in various electronic products. In order to understand the application field and working principle of the 405C11A40M00000, it is important to have an understanding of the basics of crystal oscillators in general.A crystal oscillator is an electronic device that vibrates at a precise frequency, determined by the crystalline material from which it is made. The primary components of a crystal oscillator are a crystal and an amplifier. The crystal is typically cut from quartz, which has the ability to vibrate at a precise, predictable frequency when a precise voltage is applied to it. The amplifier then takes this signal and amplifies it to the desired output.The 405C11A40M00000 is an example of a type of crystal oscillator known as a “time-only” crystal. This type of crystal does not include any additional components aside from the crystal and amplifier. This makes it easy to integrate into electronic systems because it is a simple, single-piece component. This type of crystal is commonly used in products that require precise time/date information, such as digital watches, digital clocks, and other types of time-keeping devices.Another application of the 405C11A40M00000 is in radio transmitters, where it is used to generate the carrier frequencies needed to produce radio waves. The frequency of the oscillations produced by the crystal is incredibly precise and consistent, which is important for the transmission of radio waves.In order to understand the working principle of the 405C11A40M00000, we must look at the operation of a crystal oscillator in general. The primary components of a crystal oscillator are the crystal itself, and a voltage amplifier. The crystal is composed of atoms that are arranged in an orderly, three-dimensional structure, known as a lattice. This lattice structure causes the crystal to vibrate at a certain frequency when an electrical signal of the same frequency is applied to it.The amplifier takes the signal from the crystal and amplifies it to the desired output. This output signal is then used in the application where the crystal oscillator is being used. It is important to note that the frequency of the output signal is determined by the lattice structure of the actual crystal, so the selection of the crystal is very important when designing a crystal oscillator-based system.In summary, the 405C11A40M00000 is a time-only crystal oscillator commonly used in digital watches and radio transmitters. It consists of a crystal and an amplifier, and it produces oscillations at a precise frequency determined by the lattice structure of the crystal. This type of crystal provides an incredibly precise and consistent signal that is well-suited for applications that require precise time/date information or radio transmission.

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