CD4ED240JO3F

Series:	CD4
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	24pF
Tolerance:	±5%
Voltage - Rated:	500V
Dielectric Material:	Mica
Operating Temperature:	-55°C ~ 125°C
Mounting Type:	Through Hole
Package / Case:	Radial
Lead Spacing:	0.098" (2.50mm)
Features:	RF, High Frequency
Size / Dimension:	0.291" L x 0.110" W (7.40mm x 2.80mm)
Height - Seated (Max):	0.220" (5.60mm)

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Mica and PTFE Capacitors

Mica and PTFE capacitors are highly specialized components used in the electronics industry. Specifically, these are capacitors which use mica or PTFE (Polytetrafluoroethylene) as a dielectric material to create a capacitive circuit. In this article, we will discuss the application field and working principle of the CD4ED240JO3F capacitor, a type of mica and PTFE capacitor.Mica and PTFE capacitors are typically used in high-voltage applications because they are very stable and reliable even at very high operating conditions. For example, CD4ED240JO3F capacitors are rated up to 250V and feature a capacitance of 1.5 nF. They are also relatively small for a capacitor with such high operating voltage, making them ideal for applications where size and weight are important factors. Because of these attributes, mica and PTFE capacitors are commonly used in industrial applications such as HVAC systems, power supplies, and other motor control operations.The working principle of a CD4ED240JO3F capacitor is similar to other ceramic capacitors. Inside the capacitor, a solid core made of mica or PTFE acts as a dielectric material between two electrical plates. When the capacitor is connected to an AC power source, an oscillating electric field develops between the two plates. This electric field sets up an electric current, charging the capacitor for a brief moment. When the electric current dissipates, the two plates become discharged, creating a small energy disk. This energy disk continues to circulate until it reaches a point of stability when the capacitor is disconnected from AC power. This allows the capacitor to achieve its maximum capacitance and voltage.Because of their special design, mica and PTFE capacitors are used in many specialized applications. One such area is the suppression of electromagnetic interference (EMI). EMI is caused by the induction of electrical currents from nearby electric devices and can cause interference with signals in adjacent circuits. Because mica and PTFE capacitors possess a very high dielectric constant, they can effectively block out EMI signals. Mica and PTFE capacitors are also often used in high-frequency switching applications, such as in computer motherboards or power supplies. In these cases, the capacitors are used to reduce the amount of noise generated during the switching process. Additionally, mica and PTFE capacitors are often used as filters against DC signals and in applications where the temperature coefficient of a capacitor is important.Finally, mica and PTFE capacitors are also commonly used in military and aerospace applications because they can withstand very high temperatures and pressures. For example, the CD4ED240JO3F capacitor is rated to operate at temperatures as high as 170°C, making it well suited for extreme conditions.In conclusion, mica and PTFE capacitors such as the CD4ED240JO3F are highly specialized components used in a variety of applications. They are capable of operating at high voltages and temperatures, making them a favored choice in applications requiring stability and reliability. Additionally, mica and PTFE capacitors are effective in filtering out EMI, switching noise, and DC signals. For these reasons, mica and PTFE capacitors are often used in military and aerospace applications as well as those in the industrial and electronics industries.

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