CD42FA823JO3

Series:	CD42
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	0.082µF
Tolerance:	±5%
Voltage - Rated:	100V
Dielectric Material:	Mica
Operating Temperature:	-55°C ~ 125°C
Mounting Type:	Through Hole
Package / Case:	Radial
Lead Spacing:	1.063" (27.00mm)
Features:	General Purpose
Size / Dimension:	1.480" L x 0.461" W (37.60mm x 11.70mm)
Height - Seated (Max):	0.921" (23.40mm)

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Mica and PTFE Capacitors: CD42FA823JO3 Application Field and Working Principle

Mica and PTFE capacitors are two types of capacitors with distinct characteristics from each other. Mica capacitors are made from sheets of mica formed into a cylinder or flat shape. The inner and outer electrodes are deposited on the mica, and electrolyte, usually a solution of sodium chloride, is placed between the electrodes to form an electrical capacitance. Mica capacitors have temperature and frequency stability, relatively low loss, and very low reactance to high frequencies.PTFE capacitors, on the other hand, are made of a polytetrafluoroethylene (PTFE) film sandwiched between two metallic electrodes. PTFE capacitors offer high dielectric breakdown strength, low loss, and high-temperature stability compared to other capacitor types.CD42FA823JO3 is a type of PTFE capacitor produced by the TDK Corporation. It has an operating temperature range of -55 to +105 degrees Celsius, a capacitance of 0.0047uF at 1kHz, and a very high dielectric strength of 2,500 volts. These characteristics make it a good choice for filters (such as bandpass, high and low pass filters), high-frequency circuits, and noise suppression applications. The small size of the CD42FA823JO3 also makes it well suited for use in confined spaces.The working principle of a capacitor is based on its ability to store electrical charge in an electrostatic field. When a capacitor is connected to a DC voltage source, the positive and negative plates of the capacitor become charged with an opposite electrical polarity. This creates an electromagnetic field between the two plates. When AC voltage is applied, the capacitance value of the capacitor is increased, which causes it to store more electrical charge and allow more current to pass through.The basic idea behind the operation of CD42FA823JO3 is similar to any other capacitor. However, its PTFE film and specially designed electrodes allow it to achieve a very high voltage withstand rating and low dissipation factor. The PTFE film also ensures the capacitance remains constant over a range of temperatures and frequencies.Overall, the CD42FA823JO3 is an incredibly versatile capacitor. Thanks to its excellent performance and small size, it can be used in almost any application requiring a high-performance capacitor.

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