CD17FA122JO3F

Series:	CD17
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	1200pF
Tolerance:	±5%
Voltage - Rated:	100V
Dielectric Material:	Mica
Operating Temperature:	-55°C ~ 150°C
Mounting Type:	Through Hole
Package / Case:	Radial
Lead Spacing:	0.232" (5.90mm)
Features:	RF, High Q, Low Loss
Size / Dimension:	0.488" L x 0.240" W (12.40mm x 6.10mm)
Height - Seated (Max):	0.421" (10.70mm)

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Mica and PTFE capacitors are essential components in the process of circuit design and architecture. The CD17FA122JO3F is a special type of capacitor with superior performance and reliability that makes it a valuable component for electronics applications. It combines ceramic materials with a PTFE (Polytetrafluoroethylene) base material, using metal layers to form a dielectric layer. In addition, the dielectric layer has a higher relative permittivity than traditional ceramic capacitors, allowing higher capacitance values to be achieved at a given chip size. Therefore, this capacitor is ideal for high frequency applications, where size is a critical factor.The CD17FA122JO3F is a metal insulated capacitor with a metallic lead frame core. It achieves its high capacitance by using a thick dielectric layer of PTFE as the insulating material. This provides an advantage over other capacitors, such as tantalum or ceramic capacitors, which typically have a thinner dielectric layer that results in lower capacitance. In addition, the PTFE dielectric layer has higher relative permittivity than other dielectric materials, enabling higher capacitance values at low chip dimensions.The capacitor is constructed using two terminations, one for the positive lead and one for the negative lead. The terminals provide electrical connection between the capacitor and the circuit board. The connections are made with a metallized mesh on both sides of the leads and are tightly held together with soldering. This provides the mechanical stability that makes the capacitor better suited for high frequency applications.The CD17FA122JO3F mainly finds its application in RF amplifiers, filters, and SWAP receivers. In RF applications, the capacitor provides an effective low pass filter to attenuate signals at higher frequencies. Furthermore, it can be used in other circuitry such as the threshold voltage of comparators, or as an isolation device for low level signals. The high capacitance of the capacitor ensures greater accuracy in the circuitry and better dynamic range of the device.The working principle of the CD17FA122JO3F capacitor is relatively straightforward. The capacitor acts as a storage medium for electrical energy. The two metal layers on both sides of the PTFE dielectric layer form an electric circuit which is also known as a capacitive element. When a voltage is applied, the electrical field generated between the two layers causes a charge to be stored within the capacitor. This stored charge is released upon the removal of the applied voltage. The release of the stored charge is directly proportional to the amount of applied voltage.Overall, the CD17FA122JO3F is an excellent capacitor for high frequency applications. Its unique form factor and high capacitance value make it an attractive component for RF amplifiers, filters, and comparators. Its consistent performance and robust construction make it a reliable solution to a wide variety of circuit designs. Furthermore, its PTFE dielectric base material ensures higher capacitance values, making it an ideal choice when capacitance is a critical factor.

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