4P122F35IDT

Series:	ATSSM4P
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Type:	MHz Crystal
Frequency:	12.288MHz
Frequency Stability:	±50ppm
Frequency Tolerance:	±30ppm
Load Capacitance:	18pF
ESR (Equivalent Series Resistance):	40 Ohms
Operating Mode:	Fundamental
Operating Temperature:	-40°C ~ 85°C
Ratings:	--
Mounting Type:	Surface Mount
Package / Case:	HC-49/US
Size / Dimension:	0.512" L x 0.191" W (13.00mm x 4.85mm)
Height - Seated (Max):	0.205" (5.20mm)

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Crystals have been used in many applications for many years due to their properties of being highly stable, electrically conductive and essentially perfect. The 4P122F35IDT application field and working principle further expand upon the capabilities of crystal technology, adding features and making them more adaptable than ever before.The 4P122F35IDT is a combination field-effect transistor (FET) and resistor which are integrated into a single package. This allows for a great many uses and applications, in combination with crystal or inductive components. It is specially designed for use with FETs, with two connection ports that allow the FET to be connected to a gate voltage. The gate voltage then powers the FET, allowing it to drive current through it.In terms of its working principle, the 4P122F35IDT works by introducing a charge into the gate of the FET. This charge is then switched between the source and the drain of the FET, causing it to turn on or off depending on the charge that has been applied. The 4P122F35IDT will then act as a switch, allowing the FET to be controlled by the charge that has been introduced. The 4P122F35IDT application field is wide ranging and varied. It can be used in conjunction with crystals to create a variety of different types of oscillators, such as oscillators for frequency control, frequency stabilizers, voltage-controlled oscillators (VCOs), and phase-lock-loop (PLL) synthesizers. Other uses also include the operation of certain types of digital logic modules and analog components, where the FET’s controlling the logic signals require precise timing and voltage stability.Overall, the 4P122F35IDT is an immensely useful and versatile device due to its combined FET and resistor design. It can be used in a variety of application fields as part of a number of different circuits, as well as in conjunction with crystals and other components to create oscillators, VCOs, PLLs and other electronic devices. Its ability to change the charge on the FET makes it an incredibly versatile and useful tool, capable of performing any number of functions within electronic devices.

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