685PPS700K

ESR (Equivalent Series Resistance):	2.7 mOhms
Features:	--
Ratings:	--
Applications:	High Frequency, Switching; High Pulse, DV/DT; Snubber
Lead Spacing:	--
Termination:	PC Pins
Height - Seated (Max):	--
Size / Dimension:	1.457" Dia x 2.165" L (37.00mm x 55.00mm)
Package / Case:	Axial
Mounting Type:	Through Hole
Operating Temperature:	-55°C ~ 85°C
Series:	PPS
Dielectric Material:	Polypropylene (PP), Metallized
Voltage Rating - DC:	700V
Voltage Rating - AC:	420V
Tolerance:	±10%
Capacitance:	6.8µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Film capacitors are a type of electrical component called a capacitor. The word "capacitor" is derived from the Greek word "kapasitia" which means "to store a charge". Capacitors are used in many different types of electrical systems, including electrical motors, televisions, and car audio systems. The type of capacitor used in a particular application is determined by its electrical characteristics. A film capacitor is a type of capacitor which is composed of a patterned dielectric film made of Mylar or polyester material that is electrically polarized.In the case of the 685PPS700K film capacitor, the film consists of two layers of heat-resistant dielectric film. The first layer, called the cathode, is composed of conductive material such as tin foil. The second layer, called the anode, is composed of dielectric material such as PET film. Both layers are coated with heat-resistant conductive material such as aluminum.The 685PPS700K film capacitor is a type of capacitor specifically designed for high-frequency applications. The capacitor has very low ESR (Equivalent Series Resistance) and low ESL (Equivalent Series Inductance), making it ideal for high-frequency applications like data-acquisition, audio processing, and signal filtering. The capacitor also has excellent noise-suppression characteristics, making it suitable for high-precision, low-noise applications.Some of the applications of a 685PPS700K Film Capacitor include:

• Audio and High-Frequency Filtering
• Noise Suppression
• Bias Supply for Solid State Amplifiers
• RF Channel Filters
• Filter Networks in Computer Modems
• Antenna Tuning and Matching
• Video Processing

Due to its high-frequency and high-precision characteristics, a 685PPS700K film capacitor is also used in power supplies, DC/DC converters, clock and broadband circuits, inverters, and low-noise signal processing circuits.The working principle of a film capacitor is simple; it stores electrical energy in the form of electrostatic charge. As the capacitor is charged, the electric field generated between the two electrically polarized layers builds up. This electric field induces a voltage differential between the anode and the cathode which is proportional to the applied voltage.The magnitude of the stored charge is proportional to the applied voltage, the capacitance value, and the dielectric constant of the material. As the capacitor reaches a certain level of charge, its capacitor voltage reaches its maximum and the current starts to flow in the reverse direction. This reverse current is what is known as the dielectric absorption current.The 685PPS700K film capacitor has a very wide range of applications in the areas listed above. The capacitor has excellent characteristics which make it ideal for high frequency, high precision, and low noise applications. By understanding its application field and working principle, we can better understand the advantages and disadvantages of using a 685PPS700K film capacitor in our designs.

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